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The KV-2B, it was based on the KV chassis and was in use from 1940. |
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| General Details (Heavy Tank) |
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| | Specifications | | Operational Date(s) | 1940 | | Ordnance classification | | | Quantity Produced | 0 | | Weight | unknown | | Crew | 6 | | M.G's small | 2 | | M.G's large(>10mm) | n/a | | Length | 6.86 mtr | | Width | 3.36 mtr | | Height | 4.22 mtr | | Engine Details/Performance | | Max Road Speed | 16 mph | | Max Cross Country Speed | 8 mph | | Range Road | 100 miles | | Range Cross Country | 84 miles | | Fuel Type | Unknown | | Fuel Capacity | 131 gal | | Horse Power | 550 hp | | Power/Weight | unknown | | | General Information | The KV-2B, it was based on the KV chassis and was in use from 1940.
It was armed with 2 light machine guns. Its main armament consisted of a 152mm Howitzer M-10 L/25 weighing 40.680 kg and with a maximum range of 14,800 metres.
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| | Turret | | Front | | 100mm | @ | 10° | (102mm) | | Side | | 75mm | @ | 0° | (75mm) | | Rear | | 50mm | @ | 0° | (50mm) | | Top | | 35mm | @ | 90° | (35mm) |
| | Superstructure | | Front | | 105mm | @ | 20° | (112mm) | | Side | | 110mm | @ | 10° | (112mm) | | Rear | | 75mm | @ | 10° | (76mm) | | Top | | 35mm | @ | 90° | (35mm) |
| | Hull | | Front | | 105mm | @ | 45° | (148mm) | | Side | | 110mm | @ | 0° | (110mm) | | Rear | | 75mm | @ | 0° | (75mm) | | Top | | 35mm | @ | 90° | (35mm) |
| | Armour (x)mm @ (y)° (Effective mm @ 0°) | | Effective Armour - Maximum 148 mm - Minimum 35 mm |
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| Weapon Details |
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152mm Howitzer M-10 L/25 |
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| | Manufactured | 1938 - unknown |
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| | Calibre | 152mm |
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| | Length | L/25 |
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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F-533K
(HE High Explosive)
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152mm 40.68Kg 508M/Sec | 7.300Kg explosive |
| Maximum Range 14800 Mtr |
| Range(Mtr) | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | 8000 | 10000 |
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| Flight Time(Secs) |
2.07 |
4.32 |
6.77 |
9.41 |
12.22 |
15.21 |
21.66 |
28.68 |
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| lateral dispersion means the side to side variation of the shell from the aiming point |
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| 50%(CEP) of shells land within +/- (mtr) |
0.27 |
0.53 |
0.80 |
1.07 |
1.33 |
1.60 |
2.13 |
2.67 |
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| 80% of shells land within +/- (mtr) |
0.35 |
0.68 |
1.02 |
1.37 |
1.70 |
2.05 |
2.73 |
3.42 |
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| 95% of shells land within +/- (mtr) |
0.53 |
1.04 |
1.57 |
2.10 |
2.61 |
3.14 |
4.17 |
5.23 |
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| range dispersion means the back to front variation of the shell from the aiming point |
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| 50%(CEP) of shells land within +/- (mtr) |
0.33 |
0.67 |
1.00 |
1.33 |
1.67 |
2.00 |
2.67 |
3.33 |
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| 80% of shells land within +/- (mtr) |
0.42 |
0.86 |
1.28 |
1.70 |
2.14 |
2.56 |
3.42 |
4.26 |
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| 95% of shells land within +/- (mtr) |
0.65 |
1.31 |
1.96 |
2.61 |
3.27 |
3.92 |
5.23 |
6.53 |
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| Direct Fire |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.2 |
0.4 |
0.81 |
1.66 |
2.55 |
3.48 |
4.45 |
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| Hit Probability(%) |
98 |
98 |
92 |
68 |
37 |
25 |
8 |
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| Blast/Fragmentation Effects |
| Burst radius Infantry in open 99% kill | 5 mtr |
Burst radius Infantry in open 66% kill | 11 mtr |
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| Burst radius Infantry in open 33% kill | 28 mtr |
Armour Penetration inc roof at 2 mtr | 21 mm |
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| An explosion within 5 mtr of infantry in the open will cause 99% casualties - lethal. |
| An explosion within 11 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. |
| An explosion within 28 mtr of infantry in the open will cause 33% casualties. |
| The blast effect of this shell exploding within 2 mtr of an armoured vehicle will penetrate 21 mm of the tank armour including the roof. |
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About Penetration Figures
All penetration figures in this database are calculated to a common standard
based on German WWII testing criteria (complete penetration with functioning fuze).
This allows direct comparison between all nations' guns.
Original national test figures would be higher for some nations due to different criteria:
- German: 1.00? (baseline - strictest)
- British: 1.02? (slightly looser)
- American: 1.05? (50% mass through plate)
- Soviet: 1.10? (75% mass through plate)
For example, a Soviet gun showing 159mm here would be published as ~175mm in Soviet documents,
and a German gun showing 120mm would be published as 120mm in German documents.
The 159mm figure is directly comparable to the German 120mm - the Soviet gun really was more powerful.
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| National Testing Standards |
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| German: | 1.00? - Complete penetration, fuze functions (strictest) |
| British: | 1.02? - Complete penetration |
| American: | 1.05? - 50% of shell mass through plate |
| Soviet: | 1.10? - 75% of shell mass through plate |
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All database figures are normalized to German standard for direct comparison.
Multiply by the factor above to see original national test figures.
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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 1980-2026
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