37 mm Gun M1
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|37mm Gun M1A2 on Carriage M3|
37mm antiaircraft gun in the Solomon Islands.
|Place of origin||USA|
|Wars||World War II|
|Designer||John M. Browning and the Colt company|
|Barrel length||bore: 2 m (6.56 ft) / 54 calibers|
|Caliber||37 mm (1.45 in)|
|Elevation||-5° to + 90°|
|Rate of fire||120 rounds per minute|
|Muzzle velocity||792 m/s (2,598 ft/s)|
|Effective firing range||3,200 m (3,499 yds)|
|Maximum firing range||8,275 m (9,049 yds)|
Two gun units were coupled to the M5 gun director using the M1 remote control system. The system was powered by the M5 generating unit. If the remote system was inoperative the M5 sighting system was used.
|Type||Model||Weight (round/projectile)||Filler||Muzzle velocity||Range horizontal/vertical|
|APC-T||APC-T M59A1 Shot||1.44/0.87 kg
|HE-T||HE-T SD M54 Shell||1.21/0.61 kg
|Armor penetration table|
|Ammunition / Distance||457 m
|APC-T M59A1 Shot (homogeneous armor, meet angle 30°)||23 mm
|APC-T M59A1 Shot (face-hardened armor, meet angle 30°)||25 mm
|Different methods of armor penetration measurement were used in different countries / periods. Therefore, direct comparison is often impossible.|
- The 37 mm M9 autocannon was a derivative of the M1A2 anti-aircraft gun. It had a 74-inch barrel, weighed 405 pounds (the barrel alone weighing 120 pounds), had a muzzle velocity pf 3,000 feet per second, and had a rate of fire of 150 rounds per minute. It was used on PT boats around 1944 in the Pacific theater during World War Two, replacing the M4 autocannon.
- Shell destroying tracer limited the range to about 3,200 m.
- Hogg, Ian. Twentieth-Century Artillery. New York: Barnes & Noble Books, 2000. ISBN 0-7607-1994-2 Pg.106
- Hogg, Ian V. (1998). Allied Artillery of World War Two. Ramsbury, Marlborough, Wiltshire: Crowood Press. ISBN 1-86126-165-9.
- Hunnicutt, R. P. (2001). Half-Track: A History of American Semi-Tracked Vehicles. Novato, CA: Presidio Press. ISBN 0-89141-742-7.
- TM 9-2300 standard artillery and fire control material. dated 1944
- TM 9-235
- TM 9-1235
- SNL A-29
|Wikimedia Commons has media related to 37mm Gun M1.|
- "US Army Gets A New Antiaircraft Gun", September 1940, Popular Science
- FM 4-112 Coast Artillery Field Manual: Antiaircraft Artillery gunnery, Fire Control, Position Finding, and Horizontal Fire, Antiaircraft Automatic Weapons (Case I Firing)
- History of the Americanization of the Bofors 40mm Automatic Antiaircraft Gun—some references to the 37mm
- 37mm Antiaircraft Automatic Gun—Antiaircraft.org