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The 3.7 cm Flak 43 was a light anti-aircraft (AA) gun used by Nazi Germany during World War II. It was derived from the 3.7-centimeter (1.5 in) Flak 18/36/37 series of AA guns. It was provided with single- and twin-gun mounts, the latter being designated as the 3.7 cm Flak 43 Zwilling and was in service from 1944 to 1945. In addition to versions used by the Kriegsmarine (German Navy), it served as the main armament of the Ostwind and Möbelwagen and was proposed for use in the Flakpanzer Coelian self-propelled AA guns.

3.7 cm Flak 43
A Flak 43 Zwilling in Northern France, mid-1944
TypeAnti-aircraft gun
Place of originNazi Germany
Service history
In service1944-1945
Used byGermany
WarsWorld War II
Production history
DesignerRheinmetal-Borsig
Designed1939–1943
Produced1944–1945
Specifications
Mass355 kg (783 lb)
Barrel length2.106 m (82.9 in) (57 calibers)
Crew3–4

Shell37 × 263B
Shell weight635–700 g (1.4–1.5 lb)
Caliber37 mm (1.5 in)
BreechGas-operated
Elevation-10° to +90°
Traverse360°
Rate of fire
  • 250 rounds per minute (cyclic)
  • 180 rounds per minute (practical)
Muzzle velocity790–820 m/s (2,600–2,700 ft/s)
Effective firing range
  • 6,585 m (7,201 yd) (ground targets)
  • 4,800 m (15,700 ft) (ceiling)
Feed system8-round clips

Background and description


Rheinmetall-Borsig redesigned the Flak 36/37 to incorporate the gas-operated breech mechanism of the 3-centimeter (1.18 in) MK 103[1] and to reduce the number of man-hours required to manufacture it from 4320 to 1000.[2] The most obvious change was the adoption of a horizontal feed system from the vertical system of the earlier guns. The feed tray was positioned inside the oversized trunnions at the gun's center of gravity so it could be reloaded without disturbing the gun's aim. These changes significantly lightened the gun and made it faster to traverse and elevate.[2]



A Flak M43 on a single Flak LM 43 mount
A Flak M43 on a single Flak LM 43 mount

The Kriegsmarine used a version of it on surface ships as the 3.7 cm Flak M43 in its own single- and twin-gun mounts; its Flak LM 44 mount had the guns side-by-side, unlike the Zwilling.[3]


Service


The first Flak 43s were reported in Luftwaffe service in August 1944, 431 single guns and 41 Zwilling mounts. By February 1945, these increased to 1032 single guns and 380 Zwillings.[4]


References


  1. Williams, p. 96
  2. Chamberlain & Gander, p. 18
  3. Campbell, p. 255
  4. Gander & Chamberlain, p. 131

Bibliography





На других языках


[de] 3,7-cm-Flak 43

Die 3,7-cm-Flak 43 war eine Flugabwehrkanone der Wehrmacht im Zweiten Weltkrieg.
- [en] 3.7 cm Flak 43

[ru] 3,7 cm FlaK 43

3,7 cm FlaK 43 (нем. 3,7 cm Flugabwehrkanone 43 — 3,7-см зенитная пушка 1943 года) — немецкое 37-миллиметровое автоматическое зенитное орудие, использовавшееся вермахтом в ходе Второй мировой войны. Являлось дальнейшей разработкой зенитного орудия 3,7 cm FlaK 18.



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