37_mm_Gun_M1

37 mm gun M1

37 mm gun M1

Anti-aircraft autocannon


The 37 mm gun M1 was an anti-aircraft autocannon developed in the United States. It was used by the US Army in World War II.

Quick Facts Type, Place of origin ...

The gun was produced in a towed variant, or mounted along with two M2 machine guns on the M2/M3 half-track, resulting in the T28/T28E1/M15/M15A1 series of multiple gun motor carriages.

In early World War II, each Army Anti-Aircraft Artillery (AAA) Auto-Weapons battalion was authorized a total of thirty-two 37 mm guns in its four firing batteries, plus other weapons.[2]

During World War II the 37 mm gun M1 was deployed in coast defense anti-motor torpedo boat batteries (AMTB) alongside 90 mm guns, usually four 90 mm and two 37 mm guns per battery. Some AMTB batteries consisted of four 37 mm guns, but most sources have little information on these batteries. In the later part of the war the 37 mm gun was typically replaced by the 40 mm Bofors gun M1.[3]

Components

One or 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, but it was only usable up to 25 degrees of elevation.

Ammunition

The M1 utilized fixed ammunition. Projectiles were fitted with a 37×223mmSR cartridge case.

More information Type, Model ...
More information Ammunition / Distance, 457 m (500 yds) ...

Variants

  • The 37 mm M9 autocannon was a derivative of the M1A2 anti-aircraft gun. It had a 74 in (1.9 m) barrel, weighed 405 lb (184 kg) (the barrel alone weighing 120 pounds), had a muzzle velocity of 3,000 ft/s (910 m/s), 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 II, replacing the M4 autocannon.

Comparison of anti-aircraft guns

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See also


Notes

  1. Chamberlain, Peter (1975). Anti-aircraft guns. Gander, Terry. New York: Arco Pub. Co. p. 54. ISBN 0668038187. OCLC 2000222.
  2. "385th AAA Auto-Weapons Battalion website". Archived from the original on 2016-10-09. Retrieved 2016-09-29.
  3. McGovern and Smith, p. 43
  4. Shell destroying tracer limited the range to about 3,200 m.
  5. Different methods of armor penetration measurement were used in different countries / periods. Therefore, direct comparison is often impossible.
  6. DiGiulian, Tony. "Germany 3.7 cm/83 SK C/30 - NavWeaps". www.navweaps.com. Retrieved 2017-06-07.
  7. DiGiulian, Tony. "France 37 mm/50 (1.46") Model 1925 and CAIL Model 1933 - NavWeaps". www.navweaps.com. Retrieved 2017-06-07.
  8. DiGiulian, Tony. "Italy 37 mm/54 (1.5") Models 1932, 1938 and 1939 - NavWeaps". www.navweaps.com. Retrieved 2017-06-07.
  9. DiGiulian, Tony. "Germany 3.7 cm/57 (1.5") Flak M43 - NavWeaps". www.navweaps.com. Retrieved 2017-06-07.
  10. Foss, Christopher (1977). Jane's pocket book of towed artillery. New York: Collier. p. 27. ISBN 0020806000. OCLC 911907988.
  11. DiGiulian, Tony. "Russia / USSR 37 mm/67 (1.5") 70-K - NavWeaps". www.navweaps.com. Retrieved 2017-06-07.
  12. DiGiulian, Tony. "United Kingdom / Britain 2-pdr QF Mark VIII - NavWeaps". www.navweaps.com. Retrieved 2017-06-07.
  13. DiGiulian, Tony. "USA Bofors 40 mm/60 Model 1936 - NavWeaps". www.navweaps.com. Retrieved 2017-06-07.

References

  • 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.
  • McGovern, Terence; Smith, B. W. (2006). American Coastal Defenses 1885-1950. New York: Osprey Publishing. ISBN 1-84176-922-3.
  • TM 9-2300 standard artillery and fire control material. dated 1944
  • TM 9-235
  • TM 9-1235
  • SNL A-29

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