| The 3 inch Gun Motor Carriage M10A1 based on the existing fully tracked SP Gun and was in use from 1943. |
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| | Specifications | | Operational Date(s) | 1943 | | Quantity Produced | 1413 | | Weight | unknown | | Crew | 5 | | M.G's small | n/a | | M.G's large(>10mm) | 1 | | Length | 6.03 mtr | | Width | 3.08 mtr | | Height | 2.49 mtr | | Engine Details/Performance | | Max Road Speed | 30 mph | | Max Cross Country Speed | 20 mph | | Range Road | 200 miles | | Range Cross Country | 80 miles | | Fuel Type | Petrol | | Fuel Capacity | 164 gal | | Horse Power | 454 hp | | Power/Weight | unknown | | | General Information | The 3 inch Gun Motor Carriage M10A1 based on the existing fully tracked SP Gun and was in use from 1943.
It was armed with 1 large machine gun consisting of 0.5 inch Browning Machine Gun M2 Its main armament consisted of a 3 in Gun M7 L/53 which could penetrate 114 mm of flat plate at 800 metres .
The M10A1 was based on a modified Sherman Hull with thinner armour and a more powerful gun, the power for the M10A1 was supplied by a 454HP Ford petrol engine.
The turret was manually rotated, so was not as fast to rotate as other models. | |
| | Turret | | Front | | 60mm | @ | 45° | (85mm) | | Side | | 25mm | @ | 45° | (35mm) | | Rear | | 25mm | @ | 45° | (35mm) | | Top | n/a |
| | Superstructure | | Front | | 37mm | @ | 45° | (52mm) | | Side | | 25mm | @ | 45° | (35mm) | | Rear | | 30mm | @ | 0° | (30mm) | | Top | | 20mm | @ | 90° | (20mm) |
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| Hull | | Front | | 37mm | @ | 45° | (52mm) | | Side | | 25mm | @ | 45° | (35mm) | | Rear | | 30mm | @ | 0° | (30mm) | | 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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0.5 inch Browning Machine Gun M2
(Machine Gun) |
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| | Calibre | 12.70mm |
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| | Rate of Fire | 480 rpm |
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| | Number of Rounds | 300
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| Ammunition Details |
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| Name/Id |
Calibre Weight MVelocity |
Explosive Content |
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MG
(AP Standard Small Arms)
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12.70mm 0.04Kg 884M/Sec | |
| Quoted Penetration 29mm @ 100mtr/0° |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.13 |
0.28 |
0.67 |
2.46 |
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| Penetration(mm@30°) |
19 |
15 |
12 |
5 |
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| Penetration(mm@0°) |
22 |
18 |
14 |
6 |
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| Hit Probability(%) |
98 |
98 |
98 |
48 |
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| Weapon Details |
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3 in Gun M7 L/53 |
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| | Calibre | 76.20mm |
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| | Length | L/53 |
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| | Number of Rounds | 54
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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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76.20mm 7Kg 792M/Sec | |
| Quoted Penetration 84mm@2000m |
| Range(Mtr) | 100 | 200 | 400 | 800 | 1200 | 1600 | 2000 | 2400 |
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| Flight Time(Secs) |
0.13 |
0.26 |
0.53 |
1.13 |
1.8 |
2.56 |
3.42 |
4.42 |
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| Penetration(mm@30°) |
132 |
122 |
112 |
98 |
86 |
74 |
64 |
53 |
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| Penetration(mm@0°) |
153 |
142 |
130 |
114 |
100 |
86 |
74 |
62 |
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| Hit Probability(%) |
98 |
98 |
98 |
96 |
77 |
44 |
25 |
15 |
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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.
 
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please E-Mail Simon at
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Page Last Updated: 2023-01-13 07:25:21
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