T9 cannon

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The T9 cannon, designated M4 in USAAF service, was a 37mm cannon used in the Bell P-39 and P-63 fighters.It was compact for its size,however it had a slow muzzle velocity and a very low rate of fire.

[edit] Specifications

  • Type: single-barrel semi-automatic cannon
  • Caliber: 37 mm (1.46 in)
  • Operation: gas
  • Length: N/A
  • Weight (complete): 96 kg
  • Rate of fire: 150 rpm
  • Muzzle velocity: 610 m/s
  • Projectile weight: 608 g

[edit] Comparable Weapons

Nudelman-Suranov NS-37

Nudelman N-37