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Union Soviet Socialist Republics
25mm Gun M40 AA |
| Showing the details of the shells used(where known) | | |
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| Weapon Details |
|---|
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25mm Gun M40 AA |
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| | Calibre | 25mm |
|---|
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UBR-132
(AP Armor Piercing)
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25mm 0.3Kg 900M/Sec | |
| Quoted Penetration 35mm @ 100mtr/30° ( ≈ 40mm/0°) |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
|---|
| Flight Time(Secs) |
0.12 |
0.24 |
0.53 |
1.31 |
2.57 |
4.95 |
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| Penetration(mm@30°) |
32 |
26 |
21 |
14 |
9 |
5 |
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| Penetration(mm@0°) |
37 |
31 |
25 |
17 |
11 |
6 |
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| Hit Probability(%) |
98 |
98 |
98 |
90 |
44 |
8 |
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UOZR-132
(HE High Explosive)
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25mm 0.3Kg 910M/Sec | 0.013Kg explosive |
| Range(Mtr) | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | 7000 | 8000 |
|---|
| Flight Time(Secs) |
1.84 |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.11 |
0.24 |
0.52 |
1.3 |
2.55 |
4.9 |
11.11 |
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| Hit Probability(%) |
98 |
98 |
98 |
93 |
44 |
8 |
0 |
0 |
|---|
| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 0 mtr |
Burst radius Infantry in open 66% kill | 0 mtr |
|---|
| Burst radius Infantry in open 33% kill | 1 mtr |
Armour Penetration inc roof at 1 mtr | 0 mm |
|---|
| 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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