• 4 months ago
Today we continue our look at Interwar tanks that need adding to War Thunder, this time taking a look at France.

So join me as we take a look at France's situation after World War 1 and its attempts to produce and upgrade new and exisiting tank designs to faceoff against German remilitarisation.

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Sources⬇️
Foss, C. F. Jane's World Fighting Vehicles.
Ness, L. (2002) Jane's World War II Tanks and Fighting Vehicles - The Complete Guide. Harper Collins Publishers
Tank Archives
Tank Encyclopedia
Zaloga, S. J. (2010). French Tanks of World War I. Osprey Publishing.
Zaloga, Steven J.: French Tanks of World War II (1)
Zaloga, Steven J.: French Tanks of World War II (2)

France's situation after World War 1: 00:00
"Char de Bataille" prototypes: 01:39
Char B1 and prototypes: 04:23
Renault M26/27 (Renault Kégresse): 09:04
NC1 and NC2: 10:48
Char D1: 12:59
Batignolles-Châtillon DP2: 17:07
AMR 35: 18:32
Garnier Renault SPG: 19:22

Game: War Thunder ⬅️

#warthunder #france #french #char #tank #charb1 #chard2 #renault #worldwar1 #tanks
Transcript
00:00Hello everybody, and welcome to this second episode of my series looking at interwar tanks
00:04I think should be added to War Thunder, and in this episode we will be taking a look at
00:09the French interwar tanks. So, a quick recap of France's situation at the end of World War 1.
00:15France and its entente allies had won the war, in large part due to France's revolutionary light
00:22tank, the Renault FT-17, which was both very successful during the war and built in very large
00:28numbers, so large in fact that in December 1921, after combat losses from the war and the exporting
00:34of various FT-17s, France still had 3,588 FT-17s available, though it was recognised that in its
00:43current form it would be unlikely to perform as well in future wars. France had also now finally
00:49finished building the 10 Char 2C Super Heavy tanks, and still had access to its earlier designs like
00:55the Schneider CA-1 and the Saint-Chamond, as well as some British Mark V heavy tanks,
01:01though the last three tanks would mostly be scrapped or sold not long after the war.
01:06However, despite being on the winning side, France was a devastated country,
01:11primarily due to suffering huge casualties and the fact that much of the war was fought
01:16on French soil, materially and economically devastating the country. Suffice to say,
01:22with France beginning to rebuild, there wasn't that much enthusiasm for massive military spending,
01:27and so there was a lot of cutbacks when it came to tanks. That said, some development work was
01:33carried out, both on designing new tanks and upgrading the existing FT-17 fleet.
01:39So, we'll start off by looking at one of the new French heavy tank designs, which would eventually
01:44become the Char B1, but there would also be a lot of prototypes leading up to the Char B1.
01:51So, work on what would eventually become the Char B1 came about from a requirement to develop a
01:57Char de Bataille, a combat tank intended to weigh around 20 tonnes, so heavier than the 6.5-tonne
02:03FT-17, but far lighter than the 69-tonne Char 2C. So, in 1921, the requirements were set out,
02:10and four prototypes were produced. One by FAMH, one by FCM, and then two were built in
02:17collaboration by Schneider and Renault, these being called the Schneider-Renault A and B,
02:24or SRA and SRB, with these designs all coming in at around 15-19 tonnes.
02:31The prototypes shared many design features. For example, they all used a three-man crew,
02:37had top speeds of around 9-12mph or 15-20kmh, a machine gun armed turret, 25-30mm of armour,
02:47and in the case of three of the prototypes, the main weapon was mounted in the hull,
02:51and was a 75mm howitzer. But for the SRB design, they instead used a 47mm naval gun in the hull,
03:00and the SRB design also had access to the advanced nadir steering system,
03:06allowing for precise turning of the hull in order to aim the gun.
03:10All four designs went through testing, and in 1925, it was decided to use the SRB prototype
03:16as a basis for the new tank. But it was also decided to take the best design features
03:21from all of the various prototypes and use them for the final design. For example,
03:26the SRB's 47mm tank gun in the hull was replaced by a 75mm howitzer, the pneumatic suspension was
03:34taken from the FAMH design, and the track's clutch and gearbox were taken from the FCM design.
03:42Unfortunately, due to budget constraints, the production contracts were delayed,
03:47and in the interim the design was further refined, so the ultimate design would be
03:51much further improved over these prototypes. As for the prototypes themselves, if they were
03:57added to the game, I think they would make good 1.0 tanks, as they have decent armour and a pretty
04:02effective 75mm gun, or 47mm gun in the SRB's case, though due to the hull placement of the weapon,
04:10they would act more like tank destroyers in-game. And I could also see Gaijin adding them as premium
04:16or event vehicles, but to be fair, as they're prototype tanks, I don't think that's such a huge
04:20issue if they were to do so. So, as the years ticked on, design changes were made, with the
04:26armour being increased to 40mm, which also increased the weight of the tank, and a further
04:32three prototypes were made by Renault and FCM, with Schneider providing the turrets, which were
04:39initially armed with machine guns, but these turrets were later upgraded to the ST-1 and ST-2
04:45turrets, like on the Char B1, and these were armed with 47mm guns, but these were in turn replaced by
04:52the superior APX-1 turret. Interestingly, the third prototype made by FCM would also use an
05:00alternative Traverse system, and a Swiss 180hp diesel engine instead of the Renault 250hp petrol
05:08engine, but these changes were reverted after testing. It was in this guise that the tank would
05:14finally be ordered into production in 1934 as the Char B, which was the forerunner to the far
05:21better known Char B1 bis, though it would take until December 1935 for the first tank to be
05:28delivered, well over a decade since the first prototypes were tested. Despite its large size
05:34and weight of now 27.7 tonnes, the B1 had a top speed of 17.4mph, or 28kmh, which is a decent
05:43speed for such a large and imposing tank, while its advanced nadir steering system should allow
05:50for quick turning of the tank in order to aim the 75mm howitzer. The armament is extremely similar
05:57to the Char B1 bis, having the same 75mm hull mounted howitzer, which is capable of penetrating
06:0450mm of armour at 500m with APHE shells, and a 47mm gun in the turret. But the 47mm gun is the SA-34,
06:14not the SA-35 of the bis, so it only has 20mm penetration at 500m, versus 47mm for the SA-35,
06:24forcing players to rely much more on the hull mounted howitzer when going up against enemy
06:29tanks, making this more of a tank destroyer in game in some ways. In addition to the main armament,
06:35there was also two 7.5mm machine guns, one in a coaxial position and one in a fixed mount to
06:41the right of the howitzer, so provides some defence against soft targets. The Char B1 is
06:47pretty heavily armoured compared to most interwar tanks, with its armour maxing out at 40mm,
06:54so still a pretty hard tank to deal with for some of the lighter armoured tanks,
06:58necessitating them to carry out flanking attacks where possible, or focusing on the tracks to
07:03immobilise this behemoth of a tank, but tanks with larger calibre guns will have a much easier time
07:09of dealing with this than the B1 bis, so you still have to be a little wary when going into battle.
07:16Lastly, like with the bis, the crew complement is four, with the driver and loader for the 75mm
07:22howitzer at the hull front, with the driver also acting as the gunner, the commander in the turret
07:27loading and operating the gun, and a radio operator positioned just behind the turret area,
07:32who could also pass up shells to the commander in the turret. In real life, only 35 Char B1s would
07:38be built, with the improved Char B1 bis being produced thereafter. As war approached, at least
07:45some of the Char B1s would be refitted with the new 47mm gun, improving the anti-tank capabilities.
07:52In War Thunder, I think the Char B1 would play fairly similarly to the B1 bis,
07:57but due to the reduced armour, it will now be more vulnerable to enemy shells,
08:01which combined with the less powerful 47mm gun will likely force players to be much more cautious
08:07when engaging enemies, and rely a bit more on the 75mm howitzer, which will still be able to deal
08:13with most enemies pretty handily. While its mobility is still decent enough to get around
08:18the map as needed, and the 47mm gun can still work well in a pinch.
08:23And so that was the French work on developing a new Char de Bataille, but like I mentioned at the
08:29beginning of the episode, France also worked on upgrading its existing FT-17 fleet, which produced
08:36some pretty interesting variants, and resulted in a few totally new designs. So before we look at the
08:42FT-17 upgrades, just a quick recap on what the FT-17 was. It was a light tank with a fairly slow
08:49speed of only 5mph or 8kmh, and was armed with a 37mm gun only capable of penetrating 15mm of armour
08:58at 100m, and it only had a 2-man crew and maximum armour of 22mm. So for the first upgrade we're
09:06going to be looking at, we are looking at the Renault Cagresse, or Renault M26-27, which came
09:13about in 1924, and was mainly geared to fixing the weaknesses with regards to the slow speed,
09:19which was done by adding a new suspension based on a design by French engineer Adolphe Cagresse,
09:25which was already used in French half-tracks. So the new suspension used metal and rubber tracks,
09:32new sprockets and eight road wheels, while sometimes large rollers were also installed
09:38at the front of the tank to assist with obstacles, which could be a modification in-game.
09:44Initially, this design was a great success, increasing its top speed to at least 7.5mph
09:49or 12kmh, though some sources give a slightly higher speed, but either way this is a much-needed
09:55improvement for what was a very slow tank. However, as I mentioned, the rest of its stats
10:00remain the same as the regular FT-17, which does represent a bit of a weakness with this design,
10:06but like I mentioned, it is a straight upgrade in regards to speed, so you're not losing anything
10:11from this upgrade. Ultimately, 42 FT-17s would be given this new suspension, and many were sent to
10:17take part in the Rift War against Berber forces, where unfortunately the new tracks proved
10:22susceptible to snapping at high speeds, and after being returned to France they were upgraded,
10:29but despite upgrading the tracks again, the new design was largely abandoned, and thus the rest of
10:35the FT-17 fleet was not upgraded, though some of the existing tanks would be sold to Poland and
10:41Yugoslavia, though by the time they saw combat in World War 2, they were long obsolete and were
10:46quickly destroyed. In War Thunder, I would place this vehicle at 0.3, as France now has access to
10:53a decently fast light tank that can get around the battlefield at a decent speed, providing
10:58cover for the slower regular FT-17s, while also flanking enemies and quickly responding to threats,
11:05though still suffering from the other drawbacks that the FT-17 has, like its two-man crew and
11:11weak armament. Around the same time as the Renault Cogress upgrade, Renault was also working on a
11:18modernised design of the FT-17, with two prototypes being produced, the Renault NC1 and NC2. The NC2,
11:27using a Cogress suspension system, and the NC1 using a new but more traditional suspension system
11:34with vertical coil springs, 14 road wheels, new drive sprockets and idlers, giving it a top speed
11:41of 12.4 mph or 20 kmh, again a much better speed than the FT-17 and even the Renault Cogress.
11:49The rest of the tank largely resembles the FT-17, with the same turret and 37mm gun,
11:56or alternatively a 7.5mm machine gun, and again retaining a two-man crew, but the frontal armour
12:03is now 25mm thick, which along with the added speed is a much welcome improvement.
12:09After testing was completed, the NC1 was considered superior to both the FT-17 and the NC2,
12:15but despite this the design was not adopted by France, so Renault instead sold the tank abroad
12:21as the NC27, with Poland and Sweden each buying an example, and Japan buying a whopping 23 of
12:28these tanks, so at least something was recovered from the design. In War Thunder I would add the
12:34NC2 as an event or premium vehicle, and the NC1 as a regular tank in the tech tree, probably at
12:42around battle rating 0.3-0.7, as again we have a much faster design than the FT-17 and Renault
12:49Cogress, while also benefiting from slightly improved armour, though yet again suffering from
12:54the two-man crew and lacklustre anti-tank weapon. So the NC1 and NC2 were not accepted into French
13:02service, but this was much more to do with the French army setting out new requirements for a
13:06tank with a better gun and much thicker armour, which in 1928 would lead Renault to design a new
13:13tank, which was finally accepted in 1929 as the Char D1. So the Char D1 again resembles an enlarged
13:21FT-17, and indeed due to a shortage of turrets many of the early examples were fitted with FT-17
13:28turrets, with the 37mm gun, but on the final design it was fitted with a cast Schneider ST-2
13:36turret, and was fitted with a 47mm SA-34 gun, as well as two 7.5mm machine guns,
13:43one in a fixed position in the bow and one in a coaxial position.
13:47Now the 47mm gun is quite a big step up compared to the previous 37mm gun of the FT-17,
13:55which could only penetrate 15mm of armour at 100m with its WW1 era ammunition,
14:02while the 47mm gun can penetrate up to 20mm of armour in-game at 500m,
14:08and that's with an APHE shell, so much better post-penetration damage.
14:13However, there is a bit of a trade-off when it comes to the WW2 era tanks,
14:17because they also have the same 37mm gun as the FT-17, but they have access to an APCR round,
14:24so they can penetrate up to 33mm of armour at 100m, or 24mm at 500m.
14:32So much more powerful than the SA-34, but again with an APCR round, so much worse
14:37post-penetration damage. So there will be a little bit of a trade-off when selecting what tank to
14:42use. Do you go for the tank with the much better penetrating ammunition but worse
14:47post-penetration effects, or do you go for the 47mm gun with worse penetration but a much better
14:54destroying chance? That would be quite an interesting dynamic I think in-game.
15:00The armour is also much improved over the earlier tanks, now maxing out at 30mm,
15:06though it still features a lot of flat armour plates in some areas,
15:10with only the lower upper hull plate at the front having much in the way of sloping.
15:16Meanwhile, the top speed is 11.5mph or 18.5kph, and is powered by a 74hp
15:2325CV engine, so a little slower than the NC-1, but still decently mobile.
15:29And the crew has finally been increased to 3, so it now consists of a driver and radio operator in
15:36the hull, while the commander in the turret is unfortunately left to command the tank,
15:40as well as fire and load the main gun. This of course could be a bit more problematic in-game,
15:45because while the tank is now less likely to be destroyed via crew losses,
15:49any injuries to the commander will slow down the loading and aiming of the gun,
15:54which is not really a problem you want to have in battle.
15:57The Char D1 was accepted into service in 1929, but not put into production until 1931,
16:04and the final tanks were not finished until 1935, and there was only 160 of them,
16:10compared with 3,499 FT-17s, that were still around in 1934.
16:17So, while these were the most modern tanks available to France at the time,
16:20they were still around in too few numbers to make a massive difference on the battlefield,
16:24and once more improved designs came out, they were mostly relegated to the colonies,
16:30though some were returned to France in 1940 and did see some combat during the Battle of France.
16:36In War Thunder, I think the Char D1 tanks with both the old FT-17 turrets and modern turrets
16:41could be added, probably at around 0.7 for the old FT-17 turret variants,
16:47and 1.0 for the modern turret variants, and these tanks would help bridge the gap between
16:53the older WW1 era tanks and the newer WW2 era tanks, being mobile, decently armoured and armed,
17:00and being far less susceptible to one-shot kills due to the extra crew member.
17:06Around this time, there was also a decent attempt at producing an amphibious light tank,
17:12the Batignolles Châtillon DP2, with a prototype being produced in 1935 and tested in 1936.
17:22Unfortunately, while it worked well on water, achieving a top speed of 6.5 kmh,
17:28while exiting the river, water got into the engine, and due to the now increased weight,
17:33the tank sank back into the river Seine. The tank was refloated and modified to prevent
17:39a repeat of the incident, which seems to have worked as its next tests went much better,
17:45but after further changes were recommended and the tank was returned to the workshops,
17:49it just seems to have disappeared, probably being scrapped before or during the war.
17:55However, it was armed with a 25mm SA-35 gun, as well as a 7.5mm machine gun.
18:02While being capable of a top speed of 25mph or 40.5kmh on land, and 4mph or 6.5kmh on water.
18:13So this would make a pretty speedy amphibious recon tank, especially in the lower tiers,
18:18though it might be let down by its slowed-down light armour and its two-man crew.
18:24But I think it could fit into War Thunder at 0.7 to 1.0, maybe even as a premium or event tank.
18:31Of course, like many other nations, France had some tanks that were maybe not the best
18:35on the battlefield, but were also pretty good reconnaissance vehicles. In this case,
18:40the AMR-35 armed with the 13.2mm Hotchkiss machine gun, which is capable of penetrating 25mm of
18:48armour at 100m, which is a pretty decent performance in-game for a machine gun-armed
18:53tank, and it had a two-man crew, and was capable of high speeds of up to 34mph or 55kmh.
19:01Which would make this a pretty good recon tank for the early tiers. However, it is only lightly
19:06armoured, maxing out at 13mm, so frontal combat would need to be avoided, and flanking attacks
19:13at longer distances might not work out too well. But I could see this being a good recon tank
19:18around 0.7 to 1.0. Lastly, we come to a French SPG,
19:25the Garnier Renault or ACL-75, which was built on the chassis of the Renault VA,
19:32which is more commonly known as the Ch'ti 3, which was intended as a lighter, colonial tank,
19:38but when this failed to attract any attention, it was decided to repurpose the chassis as a
19:43tank destroyer-like vehicle. The ACL-75 was armed with the 75mm Length 30 APX gun,
19:52which has a very high gun elevation, and in-game I believe is basically the same gun as the Samura
19:57Sal 40, so its APHE shell is capable of penetrating 66mm of armour at 500m. So,
20:06a very good performance, and unlike most other French tanks of the era, it has a four-man crew,
20:12so one-shot kills are far less likely than on the two-man tanks. While the armour protection ranges
20:17from 35mm to 45mm thick, which is again pretty decent, especially if engaging from longer ranges.
20:24Though it is a little bit flat-sided in most places, which does let it down a little bit.
20:29Unfortunately, it is vastly let down by its slow speed, as the Ch'ti 3 chassis was just
20:35far too slow, with a theoretical top speed of 25kmh, but in reality its top speed is probably
20:43nearer to 12.4mph or 20kmh, with its off-road speed being worse still. Overall, the Ch'ti 3
20:51chassis killed the project, and work moved onto a new project which would eventually produce the
20:56ARL V39, which I have looked at in another video. In War Thunder however, it could see some success,
21:04possibly as a 1.3-1.7 tank destroyer, either as a premium or event vehicle, or just before the
21:10Samurai Sao-40 on the regular tech tree, as it still possesses an excellent gun and decent armour,
21:18but like I mentioned is let down by its slow speed, possibly leaving it to perform as a
21:23long-range sniper where this will matter far less. So anyway, that's all of the French interwar tanks
21:30for this episode. I'd be interested to hear your thoughts on these vehicles, as well as any other
21:35vehicles you'd like me to cover in the future. I look forward to reading your comments below.
21:40So for the next episode, I'll probably be covering the British interwar tanks,
21:44so hopefully we'll have quite a few there for us to cover, and hopefully you'll join me for that.
21:49Anyway, I've been Tereno, and I'll see you next time.

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