After the war the Czechoslovak army was left with number of Marder III vehicles, which entered the service under the designation ST-II. They were however quickly phased out of service.
Germans turned many obsolete light tank plaforms into Marder family self-proppeled guns. Marder III series were based on TNH chasis of LT vz 38/ Panzer 38(t). Both Ausf. H and Ausf. M versions entered the army nder the designation ST-II. Unlike the ST-I, no more of these were built and they were quikly phased out.
This is simply the historical Marder III Ausf. M. Ausf. H was also known under this designation, but that is already in the game as Marder 38T and most of the ST-II vehicles were the Ausf. M variant. The difference is in position of the casemate: Ausf H has in at the middle, while Ausf M has it in the back.
It's Marder 38T with different casemate layout and stock engine.
Succesor to Š-I-D gun tankette. Developed for Yugoslavia in 1937 with prototype made in 1938. While the vehicle passed the trials in 1940, Yugoslavia changed their mind about using vehicles of this class and no more were built.
Yugoslavia wasn't satisfied with Š-I-D tankette, which led to development of bigger, more powerful Š-I-j. Developed in 1937 with prototype made in 1938. Despite some issues with its engine, the vehicle passed the trials in 1940. Order for 108 vehicles was however cancelled, as Yugoslavia changed their demands. Meanwhile the prototype got renamed to T-3D under German rule and in 1943 it was bought by SS.
Top setup is historical (maybe except the radio, as usual). Stock modules represent Š-I-d engine and gun. (Š-I-d was predecessor to Š-I-D. Š-I-D had 60hp engine and slightly altered A3 gun.)
Not very mobile, but stealthy, with reasonably good armor at distance, good signal range and decent gun.
Tankette developed in 1933. It had 4.7cm gun in fully rotating turret, but very thin armor. The vehicle was then rebuilt as a gun carrier with dual-purpose (AA/AT) Z-1 40mm gun. Since army had no inerest in such vehicle, the project was cancelled in 1934.
Third attempt on tankette after MU-2 and MU-4 built in 1933 had fully rotating turret with 4.7mm gun and resembled a light tank rather than takette. However 5mm of armor made it too bad for this role. Škoda rebuilt it to weapons carrier with 40mm Z-1 AA/AT gun, but army had no interest in such vhicle and so the projet wss cancelled in 1934.
Late version of MU-6 tankette. Radio is guesswork as usual. Stock engine is from MU-4, stock gun is from early version. There seem to be 3 different specs for this vehicle. For now I'll go with this one.
No armor whatsoever, but deals possible 200 dmg in a burst. Accuracy is good, but gun has kinda long aim time and big bloom after shooting, making only the first shot accurate, unless you take time to reaim again. If player doesnt aim, 4 shells can leave the gun in about 1-1.5 second. Radio sucks.
Project of 7.5cm self-propelled anti-tank gun on T-21(22/23M) chasis designed in 1941. Wooden model was built.
Project of 7.5cm self-propelled anti-tank gun on T-21(22/23M) chasis designed in 1941, probably on Wermacht request, for export to allied nations. Only wooden model was built.
Two 75mm guns are mentioned as planned for the vehicles by various sources - A16 seems to be the more likely one. The 10.5cm howitzer gun was not planned for this vehicle in particular, however there was a post-war propsal for a very similiar T-22/23M based vehicle using this gun, and another one with same gun and concept based on Turán chasis, which was also based on T-21 chasis.
Engines are taken from various T-21/22/23M prtotypes. Radios are guesswork.
Similiar to tier 4 StuG. Bigger target, but better gun depression and RoF.
After the war, the Jagdpanzer 38(t) became the main tank destroyer of Czechoslovak army under the designation ST-I and more were built for export. During the years 1950-1951 army looked into option of upgunning the vehicle with 76.2mm A19 gun. Project was cancelled along with the development of A19 gun. Soviet 85mm was also considered.
Jagdpanzer 38(t) entered the Czechoslovak army under the designation ST-I. Some 158 vehicles were exported to Switzerland as G13 and 11 more ended in Guinea. In 1950 the army started to looking for a way to upgun the vehicles as tech from USSR was not available yet. The 76mm A19 gun developed in Škoda was considered, but he development of the gun was cancelled. Other considered gun was the 85mm used on Soviet T-34s - that project was cancelled as well.
First gun was used on Jagdpanzer 38(t) prototype, on Starr versions and also on some export post-war vehicles, once the manufacturer ran out of the standard gun. Second gun is the historical standard gun of Jagdpanzer 38(t). 76mm A19 and Soviet 85mm are the guns considered for instalation post-war.
Engines: stock is historical Jagdpanzer 38(t) engine. Second was used on Starr series. Last two engines were used on Kätzchen prototypes - recon vehicle / APC also based on the TNH nA chasis.
Faster than Hetzer thanks to better engines available, however the gun handling is bad on both new guns. The 85mm should be cheaper to research and run, but lacking in penetration and accuracy. The 76mm is more accurate, has better PEN, although slightly worse alpha. The tank stays very small and stealthy, though the armor isn't worth as much anymore.
Post-war project of light tank destroyer similiar in construction the Jagdpanzer 38(t) but built on a new chasis. Proposed in 1948, existed only on paper - project was cancelled in 1950/51.
Project for tank destroyer with construction similiar to Jagdpanzer 38(t), based on the LP chasis (originally planned for T 17 light tank) proposed by Škoda was one of several projects that came to existence in 1948 during the meeting of Škoda and CS army representatives. It was to be fast, small, lightly armored, armed with 76.2mm A19 Škoda gun. In early 1950s this and all related projects were cancelled and Czechoslovakia started using and license-building Soviet vehicles.
Radios are guesswork. Stock gun was planned on practically the same vehicle as self-propelled light howitzer. Engines taken from T 17, for which the top one was planned.
There were also turreted variants of thse vehicles with same armanent and less armor - I'm using those as light tanks.
Kinda like the previous TD, but faster, with much improved gun handling. Not quite the pew-pew of E25 though.
License-produced SU-100. Between 1953 and 1957 total of 771 vehicles were built in Czechoslovakia - 460 built for ČSLA, rest was exported to various Soviet allies. Back in 1950 installing A20 100mm gun into SU-100 was considered, such vehicles were however never built.
What the short history says. I'm getting tired of writing this stuff and all important is in the summary anyways. Only visual difference to SU-100 are flat mudguards. SU-100 has rounded mudguards.
Well, stock gun is the historical gun. Top gun is the proposed A20. Radios are... actually historical for SD-100 it seems. Stock engine is from SD-100, top from SU-100.
SU-100 with punchier gun. Good accuracy and RoF.
Post-war project of tank destroyer similiar in construction the Jagdpanzer 38(t), built on TVP chasis. Proposed in 1948, existed only on paper - project was cancelled in 1950/51.
Project for tank destroyer with construction similiar to Jagdpanzer 38(t), based on the TVP chasis. Proposed by Škoda was one of several projects that came to existence in 1948 during the meeting of Škoda and CS army representatives. It was to be fast, lightly armored, armed with 100mm A20 Škoda gun. In early 1950s this and all related projects were cancelled and Czechoslovakia started using and license-building Soviet vehicles.
Radios are guesswork. Stock gun is the one planned, second gun is basically the longer AA version of the same gun. AK1 is in fact a codename for the project that spawned these two guns. I wanted to keep the AK1 gun exclusive for MTs, but what the hell - this TD will need it on tier 8. Engines taken from ingame TVP T-50 to give it good speed.
There were also turreted variants of the vehicle with same armanent and less armor - that is basically the tier 9 TD.
Huge E-25. The R11 gun sports better accuracy and DPM, while AK1 provides autoloader bursts with slightly more penetration. Decent camo, shit armor, pretty fast.
Post-war project of tank destroyer with fully rotating open turret, built on TVP chasis. Proposed in 1948, existed only on paper - project was cancelled in 1950/51.
Project for turreted tank destroyer with gun in fully rotating open turret, based on the TVP chasis. Proposed by Škoda as one of several projects that came to existence in 1948 during the meeting of Škoda and CS army representatives. It was to be fast, lightly armored, armed with 100mm AT gun (variant with 152mm howitzer also existed). In early 1950s this and all related projects were cancelled and Czechoslovakia started using and license-building Soviet vehicles.
Engines, radios taken from TVP T-50. The 100mm gun are more or less same as on the previous vehicle. The top autoloader is however a "new" gun.
Historically, the A20 was the intended gun for this project + there was practically identical project for 152mm howitzer. The rest of the guns are A20 sister projects (R11 is AA variant, AK1 is a project codename for both).
R11 se zásobníkem is what R11 originally was: AA gun with loading mechanism for 5 shells. Ammo used is taken from AK1 (APCR) to buff the penetration - no idea how historical it is, but it's already there.
The 152mm howitzer is still there as an option.
Over 30 hp/t makes it quite fast with single shot gun, although the very heavy top gun tones that down to still very healthy 26.6 hp/t. The armor is paper and HP pool is on a low-ish side of things, but it also has fully traversible turret (not as fast as TVP T-50, not as slow as usual TD turrets either) and decent camo ratings. And nice selection of guns:
With 152mm derp you can play this tank as bigger and slightly slower, but more accurate T49.
Single shot R11 has best gun handling and DPM over 2500. AK1 turns this vehicle into TVP T-50, although with inferior handling and survivability (less armor, smaller HP pool, worse traverse rates). The top gun, autoloaded R11 does not have as good soft stats as single shot, but provides nice penetration, burst potential, slightly better DPM (cca 2400 on R11auto, cca 2350 with AK1), which are worth the extra reload time - reload between shots is 2.3s though.
DANA 152mm artillery system turret mounted on the T-55A chasis. This concept was realized much later with Zuzana 155mm artillery system and T-72M1 chasis in form of A40 Himalaya.
Fake. This time made as a downgrade of existing vehicle. Zuzana is a 155mm self-propelled artilery piece manufactured in Slovakia that uses wheeled chasis. There was however a prototype - Zuzana turret mounted on a T-72M1 chasis, providing it with better terrain passability. This vehicle was then further developed into A40 Himalaya and offered to India, who in the end chose a different system. So only one prototype of that vehicle exists.
DANA is an original Czechoslovak wheeled 152mm artillery from 1970s - Zuzana is a further development of that concept.
This proposal is basically taking the concept behind A40 Himalaya and rebuilding it with vz. 77 DANA self-propelled howitzer turret and T-55A chasis - turning the vehicle into something that could be built in 1970s Czechoslovakia.
I was looking for something with big enough gun on tracked chasis built/designed/used in Czechoslovakia that is capable of direct fire - regardless of the timespan - and A40 Himalaya was the only thing I've found so far - this is an artillery piece from 2000s. DANA turret on T-55A chasis would be the same concept with 1970s tech. This wouldn't be actually be built back then - Soviets already had the 2S3 Akatsiya in that role.
DANA artillery should be able to shoot 152mm Soviet shells. It could use the same ammo as 2S3 Akatsiya, which should hopefully provide some fitting TD ammunition. However I couldn't find any good enough for tier 10 (the DANA barrel is shorter than BL-10 on ISU), so I'm using fake APCR shells as standard rounds.
Historically the gun had 4 degrees of gun depression (could be buffed, considering the turret mount) and RoF of over 4 rounds/minute (effectively all shells autoloaded - manually it was 2 shells at best). Turret armor thickness is unknown to me, but DANA being an artillery vehicle on truck chasis, it was probably able to sustain HMG fire at best.
While the DANA was accepted into service in 1977 (delivered even later), which is cca 9 years after currently newest tank in WoT (STB-1), the project for DANA started in 1969 and the first prototype was built in 1972, which should be close enough I think.
Reasonably mobile platform that can quickly peek out of cover and deliver accurate shot to the enemy. DPM is very good (over 4 shells per minute), however it's a big ass paper target - not as huge as FV4005 but not much smaller either - unlike the FV4005 it can move away from danger fairly quickly.
Self-propelled artillery of Soviet origin. Prototyped in 1969, produced between years 1971-1991, over 10 000 were made and many are still in service in armies over the world. ČSLA recieved first vehicles in 1976 and eventually operated over 140 of them. Slovak army still has almost 50 vehicles in service.
Created on basis of MT-LB APC vehicle in Soviet Union, development started in 1967, prototypes created in 1969. Entered the service in USSR in 1972 Over 10k Gvozdikas came to existence in following 20 years (also license-produced in Poland, Bulgaria), still operated by many countries all over the world.
Czechoslovak army had over 140 of these vehicles in service, mostly of Bulgarian origin. Slovakia still has few dozens while Czech army sold them in early 2000s to Uruguay.
Besides the role, it should be accurate. Issue is with ammo - there were 2 types of HEAT, their PEN ability was probably much higher IRL (460mm and up), but then again afaik same can be said for many other HEAT shells that are already in the game. I'm not entirely sure about the armor profile, but... either way it wasn't over 20mm, so that hardly matters.
While operated by Czechoslovak army, it was not manufactured nor modified in any way, so it's really just a Soviet vehicle in Czechoslovak tree which kinda sucks. However, unlike T-54A DANA, it is a real historical (and prolly also more attractive) vehicle. It is balanceable for tier 10 TD role - probably even a better than the DANA imo, and the playstyle is also closer to the tier 9 TD, making the progress a bit more natural.
Small, rather fast, turreted. Both standard and premium shells are HEAT and have very good PEN values. Fully traversable turret. Cons are no armor, low alpha for a tier X TD, slow shell velocity and abysmal gun depression of 3 degrees. Aimtime is good, but accuracy is average. It can in theory be played agressively like a light tank, but 3 degrees of gun depression make firing on the move extra tricky. At least your shots will generally go thorugh the armor, unless you hit some fancy angled or spaced bits. It's better to find yourself a spot from which you can comfortably shoot at enemies (downward slope). Decent at stealth, relatively bad viewrange.
Post-war project of SPG in fully rotating open turret, built on TVP chasis. Proposed in 1948, existed only on paper - project was cancelled in 1950/51.
Project for turreted self-proppeled howitzer with gun in fully rotating open turret, based on the TVP chasis. Proposed by Škoda as one of several projects that came to existence in 1948 during the meeting of Škoda and CS army representatives. It was to be fast and lightly armored. In early 1950s this and all related projects were cancelled and Czechoslovakia started using and license-building Soviet vehicles.
Engines, radios taken from TVP T-50. The gun is... well, the 152mm howitzer to be used on TVP-based wasn't specified besides it's HE capabilities and approximate length, although it's generally accepted that K7 howitzer was planned for these vehicles. I've decided to use a generic 152mm howitzer name, which gives a leeway for some acceptably fake gun properties. I expect the gun to shoot HEAT as both standard and premium ammo.
Other than the ammo, it's basically te same vehicle as the one on tier 9. More specifically 5914 was to mount 100mm AT gun while 5913 was to mount 152mm howitzer - the guns come with different mounts so there's also that. But effectively the same thing otherwise.
Practically the same vehicle as Zb5914-S, just different gun ammo.
Some soft stats on gun will need a buff, but the "K7" with fake-ish HEAT shells should perfrom well enough for tier X TD gun - more so while being supported by fast, turreted chasis. Accuracy will still probably suck, since shell velocity is bound to be meh.
Finding the most fitting top tier tank destroyer for czechoslovak line has been the most problematic issue with this proposal, as Czechoslovakia never had the need for guns, let alone vehicles, that could fulfill this role. So far I've came over these:
Škoda R11 with autoloader (100mm): Top gun on the tier 9 TD has sufficient enough penetration, but the alpha seems silly for a tier X TD, even if the autoloader provides decent burst. There is also an issue of what would sit on tier 9, if this was tier 10, not to mention that the vehicle wouldn't really be all that different from tier X medium. Zb5914-S with this gun would be suitable enough tier X TD, aforementioned issues keep me from choosing this option.
Soviet D-30 (122mm): This is ultimately a howitzer, so HEAT shells would also be necessary. Vehicles using this gun include Gvozdika. This is good enough vehicle for tier X TD (at least in my opinion) and it was used by ČSLA in numbers. However it is a Soviet vehicle - Czechoslovakia never built, nor modified it in any way.
Other D-30 vehicles with some connection to Czechoslovakia include Egyptian and Syrian T-34/85 SPG conversions. It's unlikely that CS had anything to do with those vehicles besides providing the tanks, also slow, measly armored T-34s wouldn't really work on tier X.
Škoda R14 (130mm): Heavy AA gun was never meant to have AT variant like R11 did, nor was it planned as self-proppeled. The gun is huge and heavy and there's no suitable chasis for it. I'm adding it here since long time ago Silentstalker made a fake TVP-based waffentrager using this gun.
Czechoslovak 152mm DANA self-proppeled artillery is a Czechoslovak bulit and designed machine, which is a great plus. There are however several issues with this: the gun only can do HEAT against armored targets, it used wheeled chasis, and - although capable of it - DANA is not really suited for direct fire. Plus it's a huge, lightly armored turret. Still I've made a fake along the lines of Slovak A40 Himalaya with DANA turret on T-55A chasis. But that's a fake alright.
Czechoslovak 152mm J2 heavy gun would be a great gun for tier X TD (think BL-10 with better accuracy and ~320mm ingame pen), but it was never finished, nor planned to be mounted on a vehicle. The towed version had projected weight at over 12 tons. The issue comes with the vehicle that could actually mount this gun. Three come close enough:
TSD-152 is simply the Czechoslovak army designation for ISU-152. ISU-152 has sucessfully mounted the BL-10 with no problems regarding it's weight. And while J2 would be longer and heavier, chances are that ISU would be able to hande this gun with little modifications at worst. However ISU is slow and badly armored for tier X and the vehicle would struggle with even tier 9, since whatever it may've gained on ISU with gun would be lost on historical engine and shitty p2w ratio. Historical TSD-152 with the original derp would however make a nice tier 7, maybe even tier 8 premium.
Zb 5922-S TVP-based Hetzer-like self-proppeled 152mm howitzer is in a way quite similiar to TSD-152. Judging from the drawings, some modifications would be needed to reliably fit the J2 on this vehicle and even then the gun handling would be bad. Still a possibility I suppose.
Zb 5913-S TVP-based Hellcat-like self-proppeled 152mm howitzer adds a fully rotatable turret to the speed of Zb5922-S. The J2 gun would have enough space in general, since the turret is open from both top and the back, although it is worthwhile to say, that the turret isn't tall enough to cover the whole gun mount and breech from sides. The weight and length of the gun would also almost certainly be too much for the fairly lightweight turret - a new (fake) turret would be needed - taller one, with hefty counterweight at the back. Silentstalker propsed this combination long time ago, I just personally don't see it as realistic, not without changing the turret.
AH-IV tankettes based on TNH design were exported in several variants to Persia, Romania, Sweden and Etiopia - over 150 AH-IV tankettes were built between 1935 and 1950. Besides the produced vehicles, there were also few unrealized project variants. At least one of them, AH-IV-C (1936 offered to Lithuania, later to Sweden), was supposed to mount a 20mmm Oerlikon gun.
Tankette based on TNH-style suspension was first built for Persia (AH-IV-P) - 50 vehicles were built between 1936 and 1937. Meanwhile, Romania and Sweden also got interested in those vehicles and AH-IV-R became known as the Romanian R-1 (35+ vehicles) and Sweden accepted AH-IV-Sv as Strv m/37 (48). Etiopia bought about 20 in late 1940s.
When Lithuania started looking for some armor at the end of 1935, Praga responded with AH-IV-C - an AH-IV variant with 20mm Oerlikon gun. In the end Lithuania chose to buy some tanks from Vickers and AH-IV-C never came to existence. Later when Sweden became interested in AH-IV, the AH-IV-C was again mentioned, along with possibility of AH-IV-D, which was supposed be a "bigger, heavier version" - I have no more info on that though. In the end Sweden chose to use modified AH-IV-R instead.
There was no radio on early AH-IV vehicles. Also I don't have any idea how the turret might've looked. The pic is a simple montage. The rest is based on AH-IV-P wich should be the basis for AH-IV-C. Gun elevatiin/depression are effectively balance parameters here.
Good ground resistances and maneuverability, nice viewrange and workable penetration on the 20mm autocanon should make this pretty decent gift tank. Gun handling and soft stats not so great though.
New tank conception designed by Tatra in 1936, that evetually got patented and turned into project. Point of the concept was to have maximum armor with minimal weight, good visibility for driver and effective space ergonomy with everything inside one big, well armored turret. Project planed to use double chasis of T-78 (T-III), but as T-III turned out to be a complete failure, no prototypes were ever built.
New tank conception designed by Tatra in 1936, that evetually got patented and turned into project. Point of the concept was to have maximum armor with minimal weight, good visibility for driver and effective space ergonomy with everything inside one big, well armored turret. Project planed to use double chasis of T-78 (T-III), but as T-III turned out to be a complete failure - especially the engine, no prototypes were ever built. In 1938 patent was awarded to Tatra for this tank conception.
Pretty historical, maybe except the radio.
The tank isn't very fast, but it's not slow either and would have very good p2w ratio for decently armored medium. The turret makes it a big target and the tank wouldn't have good camo, but it would have very good viewrange.
Interesting feature of the tank is its front - there is no chasis in front of turret, although tracks make it look a bit like there is, meaning that many noobs may shoot you there for no damage (outside detrack).
Small gun in tall turret means very good gun depression - easily 15, possibly even 20 degrees. There would still be a big piece of turret above the gun to shoot at when working ridges though. Armor is good enough to bounce most of the low-caliber guns, especially if angled.
Evolution of LT vz.35 made for Yugoslavia, using bigger gun in newly designed turret. One prototype was built in 1940, but in the end the vehicle never entered production.
Developed for Yugoslavia after its predecessor broke down during trials. Designed in 1938-39, prototype built in 1940. Yugoslavia eventually lost interest in the tank.
Should be historically accurate. Radio might've been different.
Fairly slow for a light tank, the armor won't stop much either, but the gun has nice penetration and damage.
Failed competition to the Praga/ČKD P-II that entered the army service as LT vz 34. Designed in 1933, prototype was built and tested in 1934. Some of its technical solutions were later used on more successful Š-II-a (LT vz 35).
Škoda's answer to P-II tank that became LT vz 34. Designed in 1933, prototype was built and tested in 1934. By then everyone already knew that 15mm of armor is garbage (it was the main issue with P-II after all), so no one gave a fuck about tank with same armor and worse gun tat came 2 years later. Some of its parts may have been later used in building the Š-IIa prototype (LT vz 35). Š-II was more of a testbed for new tech.
Pretty accurate imo. Radio is a guess, as usual.
Reasonable mobility and gun, no armor. Kinda crappy gun accuracy and RoF, though. Fairly average tank overall is my tier 2 gift tank candidate. Mainly bacause it doesn't look as much as every other pre-war Czechoslovak tank out there, also because the alterantives were kinda shitty.
Project for amphibious tank from 1954 from factory in Martin was positively evaluated in Soviet Union. Nontheless, further development was stopped in 1956. Only models for hydrostatic testing were made.
This was design for a amphibious tank requested in 1954, based off different amphibious vehicle and to be using the 57mm autoloader. Several models were built to measure its hydrodynamic properties and the project was sent to Soviet Union for evaluation. The evaluation ended favourably: Soviets suggested installing a bigger gun (either 76 or 85mm) and weaker engine (the 200hp V-6), but overall considered the project to be better than Soviet PT-76. Regardless, the project was scrapped in 1956.
There were two models of the vehicle - one on the picture and other with a pike nose. I would suggest using the one with the pike nose as it looks better and will probably have better gun depression.
Stock configuration with top engine is the original proposed setup. (Again, radio is guesswork.)
Gun upgrades correspond to Soviet suggestion to upgun the project. A22 is a modified field gun based on 85m vz44 S (T-34-85 gun) - using APCR as default to provide sufficient results for the tier. A22 was never meant to be mounted on a tank though.
The second turret is fake - basically an enlarged version of original turret to provide some space for the 76 and 85mm guns and at least some depression for these guns. I don't really think that the stock turret could actually take an 85mm gun in a meaningful way and turret redesign would have to happen for that reason imo - that's all there is to it. I's really just my guesstimate - could be removed, should WG feel extra historcal, but for now I'll keep it there.
Only "big" scout in the line. Has great specific power and top speed and resistances and good RoF. The tank has no armor a won't take ramming well at all. Gun depression sucks, but other handling stats are good and DPM is relatively great. Although the turret itself is quite low-profile, the hull is in fact taller than T-54 hull. It's kinda like Skautpanther with better gun that cannot ram things. Or bounce things >_>
Frankly, I don't like it. It's huge target with no armor - literally a huge xp pinata, guns have bad gun depression because of the low-profile turret. At least for tier 7 the top gun is alright. - it should counter all the flaws as much as possible.
WG is generally against adding amphibious vehicles into the game, although imo as long as no one expects them to actually float, they might not care too much about that.
Škoda prototype for a breakthrough tank requested by Czechoslovak army in 1929. Development started in 1931 as wheel-cum-track design. In 1933 Škoda had a prototype, however the issues with wheel-cum-track suspension were obvious by then and the army changed their requirements in 1934.
In 1929 the Czechoslovak army requested a new breakthourgh vehicle (class III) of whell-cum-track design. By 1931 Škoda, ČKD, and Tatra entered the contest, although ČKD soon pulled out, deeming the project unperspective. Škoda managed to make some seroius progress with their KSÚ project and army expected a prototype by 1934. However after the progress checks in 1933 revealed many problems with the wheel-cum-track solution, the army reconsidred and updated the project requirements in 1934.
All modules are historical except for the second tracks. Wheels are removed from the tank model as those are not acceptable or needed for WoT - the second suspension simulates the weight loss on removal of wheel mechanism - thus gaining some specific power - that's purely theoretical though. With stock tracks the vehicle should weigh 16.4 t. Top speed is taken from the following Š-III prototype (after dropping the wheels for armor and firepower). The 16mm of armor is based on orginal army requirements.
The tank is slowish, has shitty armor (compensated by HP), but the 70mm howitzer can wreak some havoc, especially on this tier. Plays kinda like tier 2 JP tanks. Or slightly weaker Grosstraktor that only sees T3 tanks tops.
Medium tank Škoda developed for Czechoslovak army. It wasn't quite finished in time to compete against V-8-H developed by ČKD (ST vz 39), but it was further improved and in 1940 the T-21 licence was sold to Hungary, which mass produced the vehicle from 1942 with some modifications as 40.M Turán. Škoda continued to improve the design with prototypes T-22 and T-23M, however no more vehicles were manufactured.
This tank was developed as Š-IIc, based on the experience from Š-III and ŠP-IIb projects. Development started in 1936 and prototype was made in 1937. As previous medium tank attempts it had problems with the engine and in the end the issues weren't solved soon enough to compete against ČKD V-8-H (ST vz 39) for new Czechoslovak medium tank.
Škoda continued to work on the prototype, which eventually came to be a rather good tank. By that time the cuntry was already under german occupation and the project was renamed to T-21. While Germans didn't show much interest in the tank, they allowed it to be offered to friendly states. Romania, Hungary and Italy all showed interest in the tank and Škoda was willing to deliver, however Germany decided that Škoda factories will only by used for German production. The company thus offered a production license, however only Hungary had resources and technology to license-produce the vehicle. And eventually, in 1942, they did just that - the hungarian medium tank 40.M Turán is a license produced T-21 with some T-22 upgrades, 40mm gun and other local modifications.
T-22 was a turretless prototype from 1940. For a while it seemed that Germans might actually want a tank based on this vehicle, but in the end war situation changed their mind. A tank destroyer Voss I with 75mm gun and SPG Voss II with 15cm howitzer were designed on the chasis, but were never built.
T-23M was the last of the Š-IIc prototypes. It was developed along with T-22, having 50mm of frontal armor and simpler, more reliable chasis. By 1942 it was a very reliable but also outdated machine.
In the end the remaining prototypes were shown to CS army after the war, but since they were already utterly obsolete, the tanks were scrapped in late 1940s.
Picture belongs to T 21, can't find one for T 23M atm.
Hull is the one of T 23M. The stock setup should otherwise correspond the first Š-IIc prototype version. T-21 would get the 2nd engine. T-21 as planned for Hungary would have the 40mm gun. T 22 came with the top engine. T-23M turret got 50mm frontal armor and new gun in form of A11 and of course the second set of tracks corresponds to it. The top gun is almost certainly a fake gun introduced by WG for balacing purposes. If V-8-H gets it, then so does this one. Radios are as usual guesswork.
Plays pretty much like ST vz 39. Worse armor, better DPM, especially on the 40mm, which however lacks penetration against higher tiered targets.
Tatra prototype for a breakthrough tank requested by Czechoslovak army. Development started in 1932 in form of KÚV project. The army changed their requirements in 1934 for purely tracked vehicle and since 1936 Tatra prototypes were tested along with prototpes from Škoda. In the end both Škoda and Tatra prototypes were considered failure and the breakthrough tank project was cancelled. Two prototypes were made.
After the progress checks on both original Škoda and Tatra wheel-cum-track prototypes in 1933 revealed many problems with that design, the army reconsidred and updated the project requirements in 1934.
Tatra provided the first prototype for trials in 1937. The trials ended with epic fail for Tatra and Škoda prototype didn't turn out much better.
In 1938 the project was cancelled and th hulls were moved to military school for educational purposes. One of the prototypes was eventually used for target practice and then scrapped at some point. Second prototype fell into the and of germans and tested, but nothing more is known about its fate.
The prototypes had slight differenced in dimensions, but nothing major. T-III/II would be the ingme chasis.
Turret and guns were always supposed to be delivered by Škoda. Stock turret is the Škoda KÚV turret. The 37mm and 70mm guns represent the armanent of that project. Second turret is the one used on final Š-III / T-III prototypes, same goes for the top gun.
Stock engine was used on T-III prototype back when it was still a wheel-cum-track design. The second engine is from later T-III prototypes. Better top speed and power to weight ratio over the Š-III prototypes are the main reason I've evetually decided to switch Š-III for T-III in this tree.
With reasonably strong engine this tank provides decent enough mobility and good firepower. The armor is still kinda crappy though and HP pool will play a significant role in this tank's survivability. Tall engine compartment means crap gun depression over the back of the tank.
Project of light, turreted tank destroyer. Concept from 1948, no vehicles were built.
One of the projects based on LP platform propesed by Škoda - intended as mobile light turreted tank desroyer. Only difference compraed to Zb 5915-S is the gun. Concept vehicle based on Ministry of National Defense requests from 1948. Never got to development as the LP chasis project was dropped.
Relatively historical. I'm using this TD as a light tank, since it can mount good enough gun for tier 8, is fast and small and isn't as problematic as Leták. Speed is buffed, though depends how you look at it - project only states minimum speed.
The top gun is not historical at all and I'm using it as a means to provide viable tier 8 LT gun. The 85mm A22 gun, is practically a ZiS-S-53 with longer barrel and muzzle break, using the H9 mount (H9 is a howitzer used on "5915" - the sister project - practically same vehicle with different gun). This gun in fact existed and was at the time also exported to Eastern Germany, however it was only ever used as a field gun - it was never intended for use on armored vehicles. Here it would use the APCR as standard ammo to provide proper penetration.
Very fast, small, no armor, decent top gun with below average alpha traded for RoF. Gun depression on top gun is kinda meh, other than that i handles very well. Could be extra stealthy. Alternatively you could use the A19 for E25-like pew-pew performance and 8 degrees of gun depression, although its penetration is fairly bad for this tier.
Škoda project from 1948 for a new light tank built on a new suspension. The project was cancelled in early fifties with no prototypes made.
Škoda company's proposal for a new light tank as well as new light platform. The tank had fairly modern design, but it never made it past the drawing board. Since the Czechoslovak army wasn't interested in new light tanks and exporting taks was virtually impossible under the Soviet influence, the project was ended in early 1950s.
Gun intended for the vehcle was 75mm A26 Škoda autoloader - previous guns are there to have something to research. The engines were never really specified - the stock engine should fit the tank and fits the request for 200hp engine well. The other two were just mentioned in vague terms that more or less make up their description in the tree. Radios were probably never specified.
No projection on the top speed, so I set it to 65 kph.
The 75mm A26 Škoda autoloader is essentialy the same gun as the top gun on T 25, only with fully automatic loading mechanism. In game Id give it worse accuracy and aimtime with huge bloom after firing, but very fast RoF between shots - effectively could empty the 3-shell drum in a second, but without letting it aim like that it would be highly unlikely to actually hit the target. Mid gun should behave like on T 25, except with worse soft stats and while A26 should have an andge in DPM, all three guns should be a viable option for this tank.
Frontal armor of this tank is actually pretty decent thanks to its sloping and occasional bounce may happen. Speed on the tank is pretty good and while bigger than the previous tanks, the overall size is still pretty small.
Overall a smaller faster T-25 with weaker armor, serious accuracy issues on autoloader guns and generally bad reload times on drums.
Post-war project from 1949 for a light tank export project. As Soviet Union de facto banned arms export on the same year, the project was cancelled. Partially built prototype may have existed.
This was a post-war project for a tank built on the 38(t) (TNH) chasis. It featured sloped frontal armor as the one on Jagdpanzer 38(t) and newly designed sloped turret that could take the 57mm autoloader Škoda gun. It was planned for export, however Soviet Union made arms export practically impossible, so it was cancelled. Partially built prototype may have existed.
Stronger of the proposed engines is used and the mobility isn't great - ground resistances boost will be required. Maximum speed of 48kph also sounds more like a fast medium - considering that TNH nA did over 70kph with basically the same chasis (although that was probably a ton or two lighter vehicle), I've buffed the top speed to 65 kph.
The gun has decent PEN an bad alpha, also bad gun depression, but compensates for it with good burst potential and decent reload time. Tank itslef is small, stealthy, mobility ain't great though.
Further development of last Škoda T 15 prototype. It featured sloped frontal armor and was used as a testbed for some of the Škoda autoloading guns. No more prototypes were built.
Not much is known about the T 16 tank - it was a development of T 15 with sloped frontal armor and it is said that Škoda autoloading guns were tested on it.
The photo used for an icon is the closes thing and pretty much the only usable image of T 16. Hell Im not even sure it is the right tank, but it was described as such and the suspension does look a lot like on T 15 and it does seem to have the sloped frontal armor. So unless I find some more reliable data, this is T 16.
As I said, not much data is available. I used most things from T 15.
The second turret is in fact a T 12 turret, aka one of the turrets from upgraded export versions of LT vz 35. It is said that LT vz 35 turret was used on a T 15 in attempt to quickly press the prototype into service near the end of the war, but war ended before that could happen. Also this turret was able to take a 47mm gun, which makes it a good choice for the above mentioned gun testing.
The 57mm A25 autoloader gun was also mentioned as being tested on this vehicle, it may be added as new top gun if A24 appears to be lacking.
Regarding the A24 and A25 penetration values. I've eventually tried various ways of approximating the gun's penetration for WoT (100m flat). I'm no expert, I mostly used values from guns with similiar performance or properties and extra/interpolated with that, getting various results with various source data. Basically, I think the A23 autoloader already present in the game is somewhat buffed from cca 70mm of PEN to ingame 82mm. With that in mind, I buffed the A24 and A25 results in similiar manner.
For A24 I mostly ended up with results of cca 87-90mm, but some went as high as 111mm. For now I'll stick with 90mm, though greater buff wouldn't be out of question for Škoda T16.
For A25 (see TNH 57/900, Leták) the numbers got me 110-144mm penetration, but in most cases 129-131mm. 130mm it is then.
The vehicle is slightly lighter and thus slightly more maneuverable than T 15. Sloped armor won't help much, but some mid-caliber HE rounds won't pen it frontally. The 47mm autoloader has sub-par penetration, but good soft stats, including fast drum reload time. Other than that, same as previous vehicle.
Škoda T 15 was one of the contesting designs for new reconnaissance vehicle for german army, however during the trials the tank design was deemed as unrefined. Five prototypes were made between 1941 and 1945.
When Germany looked for a new scout tank in 1940, three manufacturers submitted their prototypes: MAN submitted the VK 13.03, ČKD(then BMM) submitted the TNH nA and Škoda entered with T 15. In the end MAN won the contract (although the TNH nA proved to be superior during the tests in 1942) and VK 13.03 came to be known as Luchs. Škoda T 15 was deemed unrefined and returned to factory. Škoda built total of 5 prototypes between 1941-1945 and continued on imporving their design, but all were eventually scraped.
In case the tank would get manufactured, a new turret from Daimler-Benz was planned for it, which would mount the 5cm KwK 39 L/60 gun.
Stock configuration reflects the variant that underwent the trials. (Expcet maybe for radio as I'm not entirely sure which one was used.)
The Daimler Benz turret should basically corespond to the VK 16.02 Leopard turret.
The second engine was suggested by Škoda in one of their prototypes, the T 15D.
Basically the German tier 3 premium with upgrades, made historical. The most obvious difference is the second turret with 5cm gun. Now not much is known about the turret, but all things considered, the VK 16.02 Leopard turret seems to be the closest real thing to whatever was intended for the tank. So, yeah, basically a T-15 with Luchs turret. The turret and the gun of course make the tank noticeably heavier.
The 5cm gun has better penetration stats than it's German counterpart, which is nerfed compared to reality, fow whatever the reason may be. (The PEN numbers are historical, but for a 30° sloped armor.) Anyway I buffed it to more proper levels for use in Czechoslovak tree.
In top configuration the tank still has healthy 20.5hp/t and a punchy gun for a tier 4 scout.
Light tank of the TNH series derived from LLT - series originally meant for Lithuania were bought by Slovak army in 1940 with some adjustments and used under the designation LT-40.
TNH tanks were originally built around the Praga TN engine and intended for export. While the general construction remains the same, the TNH variants have different dimensions, armor profiles, guns, engines, and other equipment as requested by customer.
First prototype was made in 1935 and first series of 50 tanks went to Iran as TNH-P (Persian).
In 1936 Lithuania took interest in these tanks. Several prototypes were designed for Luthuania (TNH-L, LTL) until in 1939 they finally decided to buy the altered variant of LTH, designated LLT. In the end the trade never happened as Lithuania became part of Soviet Union and all manufactured 21 LLT tanks ended up re-equipped as LTS in Slovak army under the army designation LT-40.
There were many variants of TNH tanks. In order to leave LTH for possible Swiss tech tree, I've decided to switch it for LT-40 used by the fascist state of Slovakia. It is thus "more Czechoslovak" than LTH, although not as good or interesting I'd say.
Stock turret is from LLT, top is the LTS turret - LLT modified for mounting 37mm guns. Guns are 20mm Oerlikon autocanon planned for the LTL/LLT tanks. A7 was requested by Slovakia, while A3 was used on Peruan TNH variant - LTP.
Radios. German Fu5 was used LT-40.
Various engines were used on the TNH tanks. TN-100 engine was used on the original TNH-P, 125hp TNHPS was used with most of the TNH variants.
Effectively a LT vz. 38 with standard gun, less armor and slightly smaller silhoulette and better P2W ratio, if not speed. Gun handling should be pretty good.
First Czechoslovak tank to be accepted into service. It quickly became obvious that 15mm of armor won't be sufficient in combat and the tanks were soon replaced by LT vz. 35. One prototype and 50 series vehicles were made between 1932 and 1935. By the time WW2 broke out the vehicle was already outdated.
Light tank, pattern 34 was the first Czechoslovak-made tank accepted into service. Development started in ČKD in 1932 with prototype finished late 1932. After mostly positive results of both company and army tests, 50 vehicles were ordered and accepted into service in 1935. By then it was already obvious that 15mm of armor would be insufficient in combat.
As LT vz. 35 became the main tank of Czechoslovak army, LT vz. 34 was considered for recon role, but that didn't really work well since the tanks were slow and noisy. In the end the tanks were used for traning.
In 1937 ČKD came with several upgrades to LT vz. 34: New transmission, enhanced suspension (the old one had a bad habit of losing tracks on fast turns), extra 10mm of armor, new Scania engine and the A7 gun intended for LT vz. 38. Tests the upgraded prototype (designated P-II-R, R stands for Reconstructed) were overwhelmingly positive and it was decided to upgrade all 50 tanks to this "34R" standard, which however never happened, because occupation 'n' stuff.
While some were used as small fortifications in Slovakia, the vehicles never really saw combat and were eventually scrapped.
There were many tanks and prototypes that could fill in the role of tier 2 light tank vehicle, but the LT vz. 34 is certainly of greatest importance thanks to actually being accepted in service and manufactured in greater numbers (50 + 1 prototype).
The historical configuration of LT vz. 34 corresponds to the stock setup with 2nd gun. The stock gun (47mm Vickers) is what ČKD planned to use on the vehicle, before army declined such setup and requested the 37mm Škoda A3 gun instead.
The top configuration corresponds to LT vz. 34R upgrade proposal (missng the A7 gun though) which existed in form of the upgraded prototype that successfully underwent trials.
Hull armor profile corresponds with standard LT vz. 34. The P-II-R turret has 25mm in the front compared to original turret, but I do not know the exact armor profiles - it might be that sides and rear were also uparmored. (Actually I took the the armor thickness of stock turret from the hull data as none of my sources had turret-specific data on armor.)
I do not know the exact model of 47mm Vickers gun that ČKD originally planned to use on the tank, so I used the one that is already in the game - on tier 1 Kolohousenka. ČKD had license on the 47mm Vickers gun, which is why they wanted it for LT vz. 34. On the other hand Kolohousenka historically mounted only the 37mm stock gun. My guess is WG used the same 47mm Vickers gun as an upgrade to KH.
Two different engine powers are mentioned for the historical (stock) engine: 62.5hp and 67hp. I'll go with 67hp - it won't do much difference either way. Sources varied even more on scarce details on the second engine - the most probable engine seems to be the TNHPS rated at 125hp.
Known designations: P-II (prototype/company designation); LT vz. 34 (army designation); P-II-R (1937 enhanced prototype designation); LT vz. 34 R (army designation intended for upgraded LT vz. 34 vehicles).
Historical LT vz. 34 is sadly rather underwhelming vehicle - only firepower is comparable with LT vz. 35. The 15mm of armor is useless and the engine power makes this tank more sluggish than most heavies (below 9 hp/t ratio) - not very nice for what is supposed to be lighter, faster line. With the upgrades from P-II-R prototype however this tank would become rather fast and dangerous machine - which is why I removed the A7 37mm gun (which P-II-R was also supposed to get) from the proposal.
Considering the historical problems with losing tracks in fast turns on original suspensions, the stock suspension should have rather low HP pool and bad traverse rate.
Both turret and engine upgrades should require researching the P-II-R suspension first.
The tank would be faster and have slightly worse gun performance than LT vz. 35.
Development of the T 40 tank was suggested by the Škoda company under the TVP (general purpose tank) program in 1946. The vehicle design was developed; however, a prototype was never built.
Competition to Škoda T 50 of the TVP project. There is very little known about T 51 - it was to have 5 roadwheels, not the pike nose of T 50. In development during 1949, possibly few years before that as well. At the end of that year the projects were merged into T50/51.
Two competitors were in on the TVP project for the new Czechoslovak MBT. Škoda with T 50, ČKD (Praga) with T 51. The T 51 project ended as the companies were made to cooperate on the effort with the new joint project - T50/51 (TNH tA is used on Praga schematics).
Very little is known about the T 51. It supposedly had only 5 roadwheels a front hull without the pike nose and Praga developed their own 1000hp AXK engine for the project. The rest can be at best derived from project requirements, but generally speaking the vehicle shouldn't be too different from T 50.
SilentStalker claimed that WG did find more information on the tank during their research on Czechoslovak vehicles, however it was found too late to be implemented to the game along with the line. If that is true, I'd say we'll see it come to the game as tier 8 premium rather sooner than later.
The Image is just a mock-up made of T 50 and 57/900. I have no idea how the vehicle actually looked.
I have really just copied stats from T 50 as there is no actual info available right now. At least the gun and the engine should be historical.
Considering that T 51 should be a tier 8 premium, rather than tier 9, I go with stock A20 gun, which will do just fine on tier 8. Further soft stats nerfs may be necessary, not only to gun handling, but to the tanks mobility as well - I'm not aware of Praga engines meant for TVP besides the AXK 1000hp one, which would make it pretty darn fast. ČKD was meant to prepare a solution to mount the Soviet V2 500hp engine, but that came only later on the 50/51 project.
The other issue with this tank is that TVP VTU is kinda crappy tier 8 medium and this premium would be better in basically everything. However WG likes tier 8 premium vehicles and will no doubt use the T 51 as one if possible, since there are no other good candidates.
Basically AMX CDC mobility, Pz58 armor, with worse gun handling and better alpha.
Post-war project of self-proppeled howitzer similiar in construction the Jagdpanzer 38(t), built on TVP chasis. Proposed in 1948, existed only on paper - project was cancelled in 1950/51.
Project for tank destroyer with construction similiar to Jagdpanzer 38(t), based on the TVP chasis. Proposed by Škoda was one of several projects that came to existence in 1948 during the meeting of Škoda and CS army representatives. It was to be fast, lightly armored, armed with 152mm howitzer gun. In early 1950s this and all related projects were cancelled and Czechoslovakia started using and license-building Soviet vehicles. Unlike the 100mm versio of this vehicle, which had the gun centered on the chasis, 152mm version has the gun displaced to the side.
The 152mm howitzer wasn't specified, K7 seems to be the closest option. Overall, pretty historical.
Fast and maneuverable SU-152, better RoF and somewhat more accurate, but also bigger and less armored target.
This proposal is based on info from several, mostly czech sites about armoured tech (most importantly the valka.cz and utocnavazoba.wz.cz, also for example panzernet.net and occasionaly some other sites I don't remember). WoT wiki was used when devising pentration stats. Info from following books was used: Českoskoslovenská obrněná vozidla 1918-1948, Exportní lehké tanky Praga, Exportní tančíky Praga, Československé tankové síly 1945-1992 by V.Francev, Obrněná technika 1944-2001 Výroba v Slovenskej republike by Š. Zupko and J. Zupko and Od bodáku po tryskáče by M. Dubánek were used. Especially the first one on the list was very useful. SilentStalker's articles from FTR were also used for lots various info and as basis for mainly the LT line and some info was takn from Yuri Pasholoks articles on Warspot.ru.
I got kinda fed up with all this as I was putting together the TD line, which you can probably guess from vehicle descriptions getting pretty short on TDs. So while I was planning to add some details to this proposal, for the forseeable future I'm not making any major changes.
Tank stats on the left are always meant for the top config by the way - should be historical, can't say that for sure with some gun depression stats though. Oh and images are not to scale, obviously. Blue backshadow highlights "new" modules (not turrets and tracks), while red module background means the module would be too heavy for stock tracks. Red outline means unhistorical module. I don't go into stuff like aimtime, reload time, etc. besides some approximations in tank details texts. These are ultimately balance parameters. Even the number of shells in magazine is there rather to make obvious it's an autoloader gun. Overall, the module listing is probably what differentiates this proposal most from whichever there were before, although the line setups are also fairly unique afaik.
Default ammo on new guns is AP with roughly historical stats, while premium is APCR, which may be fake on some guns. APCR penetration is approximated. Exceptions are the A22 gun on LT7/8, AK1/R11 autoloaders on TD8/9 and the DANA gun on TD10 - these use APCR+HEAT. APCR on DANA is certainly fake - historicaly I've only found a HEAT with 250mm of PEN, which sucks for tier 10 TD.
Petration value on some new guns may not be historical, but by now afaik all differences should be below 10mm of PEN where some data were available. This is mostly a combination of gun performace needs and similiar WG enhancements already made to some guns.
By the way if you have any comments or suggestions, you can send them to firstname.lastname@example.org
November 19 2016
Late October 2016
Late September 2016
June 19th 2016
June 16th 2016
May 5th 2016 - Updated 88mm guns PEN to 9.15 values. (T 40, TVP VTU)
April 24th 2016 - Slight nerf to 76mm guns' alpha. Removed TNH nA premium for having way too underpowered gun. Added Škoda T 12 on tier 3 instead.
April 20th 2016 - Slight nerf to LT8 top gun standard and premium ammo penetrations, adjusted number of shells in LT7 drums. Minor fixes in texts.
April 2nd 2016 - just some small edits to T23M and putting ATT back to tier 4.
March 12th 2016 - Made more changes based on input from people on The Armored Patrol (thanks guys, especially Sebastianul for posting it) and more:
March 2016 - I've made some changes:
When the Czechoslovak tree was introduced into the game, I was happy that our nation is finally getting one. On the other hand I was disappointed that the tree is in fact only a single medium branch. Japanese got their not very impressive light tank line right from the start and we don't? We had more light tank material and they would all be proper scouts - Silentstalkers proposals always went up to tier 7 with lights. And there are some light tanks I was really hoping to see in the game, like the LT vz 34 - first Czechoslovak-made tank that was built in numbers, or TNH 57/900 - really cool looking post-war light tank project. (I would also love to see an AH-IV tankette, since those were very successful design for a tankette,
but AH-IV were just way too weak even for a tier 1... Found a mention of 20mm version, aawww yiss here comes the gift tank.)
Anyways, adding the light branch was the main purpose of this thingy. And as I was doing this, suddendly I was like "hey, this could go all the way up to tier 8" - and so I did that. And then I changed the tier 8 for something else, because Leták felt kinda forced there. That something else is in fact a small, fast, turreted TD with 76.2mm gun, but that might as well be a light tank when it comes down to it and I don't really need it in the TD line. Still had to use a different gun to give it enough firepower, but at least it's small, unlike the Leták, and the gun depression won't suck as much.
Speaking of the 76.2mm gun - Škoda A19 is a designation I've seen used for two different guns and no one seems to be bothered by this: First there is the A19 which is just 37mm A7 gun modified for T 15 and TNH nA mounts. Then there is the A19 76.2mm gun made in 1949 in 2 prototypes. It seems quite unlikely to me that two guns would use the same factory designation. Didn't find why that is a thing. Anyways. At first I went with PEN based off the 17pdr, which made the penetration good enough for tier 8 scout, however once I got some A19 shell data, I had to adjust the penetration values to significantly lower level. That means I needed a new gun for the tier 8 scout. In the end I've decided for 85mm A22, which should be mountable to the turret and with APCR it will have just about right penetration. It does weigh extra 400kg, which isn't all that much of extra weight imo.
Some vehicles from german and soviet tree reapear, namely the T-15 (with upgrades), Hetzer (upgunned), SU-100 (upgunned).
I've buffed the top speed on some vehicles using either LP or TNH nA chasis, As for LP based ones there was only ever a requirement to achieve at least 55kph. and TNH nA did achieve over 70kph during tests even though the official number was 65kph I think.
So that would be the first upgrade to the CS tree - scout line with TNH 57/900 as introductory premium. Generally speaking, these are almost all small tanks with good camo rating, usually great power to weight ratio and in most cases also a good gun depression, but paper armor. Number of them has low caliber autoloaders that would use burst damage instead of single-shot alpha, while their drum reload times are well comparable to single-shot gun reloads thanks to small magazines and low-caliber shells.
The tier 2 Škoda Š-II serves as a gift premium proposal - it is the least shitty of the alternatives and most importantly, it looks most different from all these pre-war Czechoslovak tanks. Besides that one there is a whole bunch of posible tier 2 and 3 premium candidates. After removing TNH nA, I've added Škoda T12 on tier 3 as alternative gift tank.
Along with the scout line I would also consider adding an alternative low-tier medium line. These tanks aren't particularly special in game terms, but they do carry some historical importance and provide the ability to start playing mediums from tier 2 onwards.
Low tier mediums: The Škoda Š-IIc/T21/22/23M series of prototypes were fairly important, even if they were never mass produced. This tank may have lost the contest for Czechoslovak medium tank, but ended up being much more influential, since it was later produced in Hungary as 40M Turán, thus serving as basis for Turán and Zrínyi series of vehicles. T-III/Š-III were the "heaviest" czechoslovak designs in their time, although both ended up as failure. Some call them heavy, but officially they were medium breakthrough tanks and there is no point in treating them as heavies when you don't have a heavy branch. The Š-III predecessor on tier 2 was the first attempt for "big" czechoslovak tank, with roots in late 1920s. Tatra had one too, but the one from Škoda seems to be better documented. (Kinda sad about switching Š-III for T-III, meaning that the line is no longer "Škoda medium" line, but I'd prefer having a more decent tank there.)
There are many alteranatives for tier 3, but those lack modules for upgrading and generally look same as most other pre-war CS tanks - class III vehicles are the most interesting ones, maybe along with ŠP-IIb - sort of predecessor to the Š-IIc on tier 4 - but it lacks modules for upgrades.
Tier 4 premium to go with this medium minibranch would be the Atypic Tatra tank, which had a very unique construction and could provide interesting gameplay.
Top guns on T-23M is the same 47mm as on ST vz 39 - that is a Wargaming fake to make gun competetive on T4 MT afaik. I'm trying to keep this proposal rather historical (outside radios - I know hardly anything about those), but if WG already did somthing like that, I won't hesitate to use it to solve issues.
Last part was the TD line, added because "I might as well while I'm at it." TD line can be done, but it's a rather problematic one. Using actual existing Czechoslovak stuff one will get to tier 4 with "Hetzer". Throw in some upgunning proposals, wartime and post-war projects, license-produced Soviet tech and I stretched it up to tier 9. And that's it. There was really no need for anything with bigger guns (not couting the artillery). Meaning there was no actual vehicle or project that could become the tier 10 tank destroyer. Afaik. The problem is that if there's no tier 10 TD, Wargaming won't make the line. So SilentStalker came with a bunch of fake proposals for tier 10.
In the end I came up with one fake of my own, based on vehicle from 2000s but using the tech from 1970s. It would be (in theory) the "newest" vehicle in WoT by some 3-4 years after STB-1, which would hopefully be acceptable. Eventually I've decided to use 2S1 Gvozdika for the tier X TD - even though also SPG, it fits the TD role a bit better imo and it is real historical vehicle used by ČSLA. It was however in no way manucatured or altered in Czechoslovakia, afaik. Right now the tier X TD is basically the tier 9 with the 152mm howitzer, except the PEN is buffed through better HEAT ammo. The ammo is more or less fake, but I can live with that.
Generally, most of these TDs again work with speed and good RoF. Alpha and pen are so-so, while the armor is no-no. Tiers 3,9,10 have fully traversible turret. Tiers 3,8,9 use autoloaders.
TDs arent particularly my thing anyway, and same could be said about SPGs. I'm not dealing with those at all. SPGs have enough problems to solve before even considering adding more.