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France
Char B1-Bis |
| The Char B1-Bis was designed in 1936, manufactured by Renault and others and was in use from 1937. |
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| | Specifications | | Operational Date(s) | 1937 | | Quantity Produced | 369 | | Weight | 32 tonne | | Crew | 4 | | M.G's small | 2 | | M.G's large(>10mm) | n/a | | Length | 6.44 mtr | | Width | 2.52 mtr | | Height | 2.82 mtr | | Engine Details/Performance | | Max Road Speed | 17 mph | | Max Cross Country Speed | 13 mph | | Range Road | 112 miles | | Range Cross Country | 44 miles | | Fuel Type | Petrol | | Fuel Capacity | unknown | | Horse Power | 272 hp | | Power/Weight | 8 hp/tonne | | | General Information | The Char B1-Bis was designed in 1936, manufactured by Renault and others and was in use from 1937.
The vehicle was powered by Renault '6 cylinder 16.5 litre' petrol powerplant producing 272 HP which could drive the vehicle on roads at up to 17 mph with a range of about 112 miles before refuelling. Its cross country performance was good providing a max speed of about 13 mph and a range of about 44 miles.
It was armed with 2 light machine guns which were Mitrailleuse modèle 1931s. Its main armament consisted of a 47 mm SA 35 which could penetrate 46 mm of flat plate at 800 metres Its main armament consisted and a 75 mm SA M1935 L/17.1 which could penetrate 37 mm of flat plate at 800 metres.
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| | Turret | | Front | | 55mm | @ | 0° | (55mm) | | Side | | 46mm | @ | 22° | (50mm) | | Rear | | 46mm | @ | 22° | (50mm) | | Top | | 30mm | @ | 80° | (30mm) |
| | Superstructure | | Front | | 60mm | @ | 20° | (64mm) | | Side | | 60mm | @ | 0° | (60mm) | | Rear | | 55mm | @ | 0° | (55mm) | | Top | | 25mm | @ | 85° | (25mm) |
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| Hull | | Front | | 60mm | @ | 45° | (85mm) | | Side | | 60mm | @ | 0° | (60mm) | | Rear | | 55mm | @ | 43° | (75mm) | | Top | | 20mm | @ | 90° | (20mm) |
| | Armour (x)mm @ (y)° (Effective mm @ 0°) | | Effective Armour - Maximum 85 mm - Minimum 20 mm |
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| Weapon Details |
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Mitrailleuse modèle 1931
(Machine Gun) x 2 |
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| | History | |
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| | Designed by Lt Colonel Reibel, the FM 24/29 was developed into a heavier machine gun capable of relatively sustained fire, by giving it an extremely thick and massive barrel, to act as a heat sink. |
| | Manufacturer | Reibel |
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| | Manufactured | 1932 - 1945 |
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| | Calibre | 7.50mm |
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| | Length | L/80 |
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| | Rate of Fire | 450 rpm |
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| | Number of Rounds | 4800
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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7.5 MAS
(AP Standard Small Arms)
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7.50mm 0.009Kg 820M/Sec | |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.15 |
0.36 |
1.2 |
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| Penetration(mm@30°) |
10 |
7 |
4 |
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| Penetration(mm@0°) |
12 |
9 |
5 |
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| Hit Probability(%) |
98 |
98 |
96 |
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7.5 MAS
(BALL Standard Small Arms)
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7.50mm 0.009Kg 820M/Sec | |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.15 |
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| Penetration(mm@30°) |
1 |
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| Penetration(mm@0°) |
2 |
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| Hit Probability(%) |
98 |
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| Weapon Details |
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47 mm SA 35
(Tank Gun) |
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| | Calibre | 47mm |
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| | Length | L/32 |
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| | Number of Rounds | 50
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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AP
(AP Armor Piercing)
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47mm 1.63Kg 670M/Sec | |
| Quoted Penetration 40mm @ 400mtr/30° ( ≈ 46mm/0°) |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.15 |
0.31 |
0.65 |
1.44 |
2.41 |
3.62 |
5.2 |
7.33 |
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| Penetration(mm@30°) |
59 |
54 |
48 |
39 |
32 |
26 |
20 |
15 |
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| Penetration(mm@0°) |
69 |
63 |
56 |
46 |
38 |
31 |
24 |
18 |
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| Hit Probability(%) |
98 |
98 |
98 |
88 |
48 |
22 |
6 |
2 |
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HE
(HE High Explosive)
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47mm 1.41Kg 590M/Sec | 0.142Kg explosive |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.17 |
0.35 |
0.74 |
1.63 |
2.73 |
4.12 |
5.91 |
8.31 |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.17 |
0.35 |
0.74 |
1.63 |
2.73 |
4.12 |
5.91 |
8.31 |
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| Hit Probability(%) |
98 |
98 |
98 |
81 |
39 |
15 |
3 |
2 |
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| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 2 mtr |
Burst radius Infantry in open 66% kill | 4 mtr |
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| Burst radius Infantry in open 33% kill | 11 mtr |
Armour Penetration inc roof at 1 mtr | 0 mm |
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| An explosion within 2 mtr of infantry in the open will cause 99% casualties - lethal. |
| An explosion within 4 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. |
| An explosion within 11 mtr of infantry in the open will cause 33% casualties. |
| The blast effect of this shell exploding within 1 mtr of an armoured vehicle will not cause any significant armour damage. |
| Weapon Details |
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75 mm SA M1935 L/17.1 |
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| | Calibre | 75mm |
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| | Length | L/17 |
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| | Number of Rounds | 74
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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Obus de rupture Mle.1910M
(AP Armor Piercing)
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75mm 6Kg 300M/Sec | |
| Quoted Penetration 40mm @ 400mtr/30° ( ≈ 46mm/0°) |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.34 |
0.68 |
1.41 |
2.99 |
4.76 |
6.78 |
9.09 |
11.76 |
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| Penetration(mm@30°) |
43 |
39 |
36 |
32 |
27 |
24 |
20 |
17 |
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| Penetration(mm@0°) |
50 |
46 |
42 |
37 |
32 |
28 |
24 |
20 |
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| Hit Probability(%) |
98 |
98 |
88 |
29 |
8 |
3 |
1 |
0 |
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Obus de rupture Mle.1910M
(HE High Explosive)
|
75mm 6Kg 250M/Sec | 0.740Kg explosive |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.41 |
0.82 |
1.69 |
3.58 |
5.71 |
8.14 |
10.91 |
14.13 |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.41 |
0.82 |
1.69 |
3.58 |
5.71 |
8.14 |
10.91 |
14.13 |
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| Hit Probability(%) |
98 |
98 |
81 |
22 |
3 |
2 |
0 |
0 |
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| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 3 mtr |
Burst radius Infantry in open 66% kill | 7 mtr |
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| Burst radius Infantry in open 33% kill | 18 mtr |
Armour Penetration inc roof at 1 mtr | 2 mm |
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| An explosion within 3 mtr of infantry in the open will cause 99% casualties - lethal. |
| An explosion within 7 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. |
| An explosion within 18 mtr of infantry in the open will cause 33% casualties. |
| The blast effect of this shell exploding within 1 mtr of an armoured vehicle will penetrate 2 mm of the tank armour including the roof. |
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Hit probability is based on a static 2 x 2.4 metre panel at 0 degrees(vertical) at the range specified.
The data that has been used to create these records has come from Wikipedia, The Lone Sentry, The Bundes Archive
and numerous books and websites that have provided the detailed information that has not been available anywhere else. The
information we use to calculate the penetration tables, flight times and the hit probability comes from the Gun Calibre,
the Shell Mass(Kg) and the muzzle velocity, plus range reductions to allow for gravity and wind resistance. This calculation
originally came from a pre-war Krupp calculation which has been modified, and seems to fit the actual test results.
© WWIITanks 1980-2024
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![photo of Mitrailleuse modèle 1931 from Reibel from Wikipedia](javascript:launch("https://upload.wikimedia.org/wikipedia/commons/d/df/Mitrailleuse_mle_31.jpg"))
