7.5 cm Infanteriegeschütz 37

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7.5 cm Infanteriegeschütz 37
At the Panzermuseum Munster
TypeInfantry support gun
Place of originNazi Germany
Service history
Used byNazi Germany
Production history
No. built1,304
Specifications
Mass510 kg (1,120 lb)
Barrel length1.8 m (5 ft 11 in) L/22[1]

ShellFixed QF 75 x 89 mm R[2]
Shell weight5.45 kg (12 lb)
Caliber75 mm (2.95 in)
Elevation−10° to +40°
Traverse60°[1]
Muzzle velocity280 m/s (920 ft/s) (common)
395 m/s (1,300 ft/s) (anti-tank)[1]
Maximum firing range5.15 km (3.2 mi)

The 7.5 cm Infanteriegeschütz 37 (7.5 cm IG 37) was an

hollow charge shell with 0.5 kg (1 lb 2 oz) of explosives to penetrate up to 85 mm (3.3 in) with a velocity of 395 m/s (1,300 ft/s). The first 84 guns were delivered in June 1944. By the end of the war 1,304 guns were operational.[3]

While the gun carriage was an old design, the gun itself was a new design created by Krupp, though the design had been shelved at the time of its conception. The gun has two distinctive features: the first is the large four-baffle muzzle brake and the second is the vertical sliding-block breech that was considered unusual for a Krupp designed gun. The breech operates in a semi-automatic fashion, in that once the gun was fired the breech block would open and eject the spent casing and remained open to allow for rapid reloading. The breech would then be closed once the next round was loaded and the gun was then ready to fire.[3]

See also

References

  1. ^
    OCLC 2067391
    .
  2. ^ "75-77 MM CALIBRE CARTRIDGES". www.quarryhs.co.uk. Archived from the original on 2015-01-17. Retrieved 2017-10-02.
  3. ^
    OCLC 50056418
    .

Sources