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Nudelman-rikhter Nr-30The Nudelman-Rikhter NR-30 was a Soviet cannon widely used in military aircraft of the Soviet Union and Warsaw Pact. It was designed by A.E. Nudelman and A.A. Rikhter, entering service in 1954. The NR-30 was a single-barrel, gas operated cannon, essentially an enlarged version of the 23mm NR-23 weapon introduced in 1949. It fired a massive projectile (more than twice the weight of the NR-23's 23mm shell), requiring a muzzle brake with an integrated flame damper to prevent airframe damage from its firing. The NR-30 was used in the MiG-19, some MiG-21 models, the Sukhoi Su-7, and the Sukhoi Su-17. It was also used on the J-6, the Chinese copy of the MiG-19. The Chinese manufacture their own version, the Type-30, which has slightly different characteristics, but is basically similar in operation. Although its rate of fire makes it more suited for air-to-ground use, it is, by all accounts, a formidable weapon combining reasonable accuracy and devastating hitting power. This gun may also have been installed on the Almaz series of military space stations. Specifications - Type: single-barrel automatic cannon
- Caliber: 30 mm (1.18 in)
- Operation: gas
- Length: N/A
- Weight (complete): 66 kg (145.5 lb)
- Rate of fire: 850-1,000 rpm
- Muzzle velocity: 780 m/s (2,560 ft/s).
- Projectile weight: 410 gram (14.46 oz)
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