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USSR
T-40A Amphibious |
| The T-40A Amphibious based on the existing Light Tank and was in use from 1942. |
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| | Specifications | | Operational Date(s) | 1942 | | Ordnance classification | | | Quantity Produced | 181 | | Weight | unknown | | Crew | 2 | | M.G's small | 1 | | M.G's large(>10mm) | n/a | | Length | 4.31 mtr | | Width | 2.35 mtr | | Height | 1.99 mtr | | Engine Details/Performance | | Max Road Speed | 26 mph | | Max Cross Country Speed | 17 mph | | Range Road | 210 miles | | Range Cross Country | 100 miles | | Fuel Type | Unknown | | Fuel Capacity | 45 gal | | Horse Power | 85 hp | | Power/Weight | unknown | | | General Information | The T-40A Amphibious based on the existing Light Tank and was in use from 1942.
It was armed with 1 light machine gun. Its main armament consisted of a 20mm ShVAK automatic cannon which could penetrate 7 mm of flat plate at 400 metres
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| | Turret | | Front | | 14mm | @ | 30° | (16mm) | | Side | | 10mm | @ | 10° | (10mm) | | Rear | | 7mm | @ | 0° | (7mm) | | Top | | 7mm | @ | 90° | (7mm) |
| | Superstructure | | Front | | 14mm | @ | 30° | (16mm) | | Side | | 13mm | @ | 0° | (13mm) | | Rear | | 13mm | @ | 0° | (13mm) | | Top | | 10mm | @ | 90° | (10mm) |
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| Hull | | Front | | 13mm | @ | 30° | (15mm) | | Side | | 13mm | @ | 0° | (13mm) | | Rear | | 9mm | @ | 0° | (9mm) | | Top | | 10mm | @ | 90° | (10mm) |
| | Armour (x)mm @ (y)° (Effective mm @ 0°) | | Effective Armour - Maximum 16 mm - Minimum 10 mm |
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| Weapon Details |
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20mm ShVAK automatic cannon |
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| | History | |
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| | Designed as an aircraft cannon was installed on the T-38 and T-60 light tanks |
| | Calibre | 20mm |
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| | Length | L/62 |
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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20mm AP
(AP Armor Piercing)
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20mm 0.099Kg 750M/Sec | |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.14 |
0.3 |
0.67 |
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| Penetration(mm@30°) |
10 |
8 |
6 |
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| Penetration(mm@0°) |
12 |
10 |
7 |
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| Hit Probability(%) |
98 |
98 |
98 |
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20mm HE
(HE High Explosive)
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20mm 0.096Kg 770M/Sec | 0.007Kg explosive |
| Range(Mtr) | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | 7000 | 8000 |
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| Flight Time(Secs) |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.14 |
0.29 |
0.65 |
1.75 |
3.97 |
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| Hit Probability(%) |
98 |
98 |
98 |
77 |
22 |
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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