N-37 37mm cannon
Designed by A.E. Nudel'man with assistance by A.A. Suranov, V. Nemenov, A.A. Rikhter and P. Gribkov.
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27k b/w photo of the servicing of the N-37D cannon of a MiG-17 from Squadron/Signal's "MiG-17 in Action".
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25k b/w photo (same source), showing the N-37D cannon of a Polish LIM-6bis (licence-built MiG-17F) and its ammunition.
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Designed in 1946 to replace NS-37 cannon of 1941. 23% drop in muzzle velocity was compensated by 60% increase in fire rate. Weight was cut by 30%, weapon became more compact and suitable for light jet fighters: MiG-9, MiG-15 and others. The N-37D was an improved variant of the basic design.
| Year |
1946
|
| Caliber |
37mm |
| Projectile |
735g |
| Rate of fire |
400rpm |
| Muzzle velocity |
690m/s |
| Weight |
103kg |
| Overall length |
?mm |
| Barrel length |
?mm |
