Aviation of World War II |
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B-20An aviation cannon of Berezin system20-mm
The gun B-20 (20-mm) has been created by M.E.Berezin in 1944 on the basis of its 12,7-mm of machine gun UB without any design changes, by a replacement of a trunk. The cannon was created under ShVAK cartridge. As an ammunition all nominal ammunition of automatic control unit ShVAK were applied. Charge pneumatic or mechanical. Weight of a gun of 25 kg. Rate of shooting for synchronous version 600 of shots/minutes, for turret and wing - 800 shots/minutes. Weight of a shell 96 g, an initial missile velocity of 800 m/s. |
Aircraft | Armament | ShKAS 7.62mm | ShVAK 12.7mm | ShVAK 20mm | VYa 23mm | UB 12.7mm | B-20 20mm | NS-23 23mm | NS-37 37mm | Sh-37 37mm | Combat Use I-16 Armament | |