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USSR
BA-27 |
| The BA-27 based on the existing Armoured Car and was in use from 1927. |
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| | Specifications | | Operational Date(s) | 1927 | | Ordnance classification | | | Quantity Produced | 0 | | Weight | unknown | | Crew | 4 | | M.G's small | 1 | | M.G's large(>10mm) | n/a | | Length | 4.68 mtr | | Width | 1.82 mtr | | Height | 2.55 mtr | | Engine Details/Performance | | Max Road Speed | 30 mph | | Max Cross Country Speed | unknown | | Range Road | 0 miles | | Range Cross Country | unknown | | Fuel Type | Unknown | | Fuel Capacity | unknown | | Horse Power | 0 hp | | Power/Weight | unknown | | | General Information | The BA-27 based on the existing Armoured Car and was in use from 1927.
It was armed with 1 light machine gun. Its main armament consisted of a 37mm Hotchkiss L/21 which could penetrate 12 mm of flat plate at 800 metres
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| | Turret | | Front | | 7mm | @ | 10° | (7mm) | | Side | | 7mm | @ | 20° | (7mm) | | Rear | | 7mm | @ | 15° | (7mm) | | Top | | 7mm | @ | 85° | (7mm) |
| | Superstructure | | Front | | 7mm | @ | 45° | (10mm) | | Side | | 7mm | @ | 0° | (7mm) | | Rear | | 7mm | @ | 0° | (7mm) | | Top | | 7mm | @ | 75° | (7mm) |
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| Hull | | Front | | 7mm | @ | 45° | (10mm) | | Side | | 7mm | @ | 0° | (7mm) | | Rear | | 7mm | @ | 0° | (7mm) | | Top | | 7mm | @ | 75° | (7mm) |
| | Armour (x)mm @ (y)° (Effective mm @ 0°) | | Effective Armour - Maximum 10 mm - Minimum 7 mm |
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| Weapon Details |
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37mm Hotchkiss L/21
(Tank Gun) |
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| | History | |
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| | Modified version of the French Puteaux SA 18 |
| | Calibre | 37mm |
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| | Length | L/21 |
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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Puteaux AP
(AP Armor Piercing)
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37mm 0.56Kg 388M/Sec | |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.27 |
0.55 |
1.16 |
2.64 |
4.6 |
7.28 |
11.31 |
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| Penetration(mm@30°) |
17 |
15 |
12 |
10 |
8 |
6 |
4 |
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| Penetration(mm@0°) |
20 |
18 |
15 |
12 |
10 |
7 |
5 |
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| Hit Probability(%) |
98 |
98 |
96 |
41 |
8 |
2 |
0 |
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37mm Mle1892
(HE High Explosive)
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37mm 0.56Kg 388M/Sec | 0.015Kg explosive |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.27 |
0.55 |
1.16 |
2.64 |
4.6 |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.27 |
0.55 |
1.16 |
2.64 |
4.6 |
7.28 |
11.31 |
17.68 |
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| Hit Probability(%) |
98 |
98 |
96 |
41 |
8 |
2 |
0 |
0 |
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| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 0 mtr |
Burst radius Infantry in open 66% kill | 0 mtr |
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| Burst radius Infantry in open 33% kill | 1 mtr |
Armour Penetration inc roof at 1 mtr | 0 mm |
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| An explosion within 0 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. |
| An explosion within 1 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. |
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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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