Matches in DBpedia 2014 for { ?s ?p The Nudelman-Rikhter NR-23 is a Soviet autocannon widely used in military aircraft of the Soviet Union and Warsaw Pact. It was designed by A. E. Nudelman and A.A. Rikhter to replace the wartime Nudelman-Suranov NS-23 and VYa, entering service in 1949. The NR-23 is a single-barrel, short recoil operated 23 mm (0.90 in) cannon. It was similar to the NS-23, but mechanical improvements increased its rate of fire by more than 50%. Its theoretical rate of fire was 850 rounds per minute, although United States Air Force (USAF) tests of captured weapons achieved an actual rate of fire of only 650 rounds per minute. The NR-23 was later replaced by the Afanasev Makarov AM-23 automatic cannon which had higher firing rate. The AM-23 was used in turreted installations for bombers. It was a gas-operated weapon, weighed 43 kg (95 lb) and was capable of a substantially higher rate of fire (1200-1300 rounds per minute).The People's Republic of China manufactures copies of both versions of this weapon as Norinco Type 23-1 (NR-23) and Type 23-2 (AM-23), respectively.. }
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- Nudelman-Rikhter_NR-23 abstract "The Nudelman-Rikhter NR-23 is a Soviet autocannon widely used in military aircraft of the Soviet Union and Warsaw Pact. It was designed by A. E. Nudelman and A.A. Rikhter to replace the wartime Nudelman-Suranov NS-23 and VYa, entering service in 1949. The NR-23 is a single-barrel, short recoil operated 23 mm (0.90 in) cannon. It was similar to the NS-23, but mechanical improvements increased its rate of fire by more than 50%. Its theoretical rate of fire was 850 rounds per minute, although United States Air Force (USAF) tests of captured weapons achieved an actual rate of fire of only 650 rounds per minute. The NR-23 was later replaced by the Afanasev Makarov AM-23 automatic cannon which had higher firing rate. The AM-23 was used in turreted installations for bombers. It was a gas-operated weapon, weighed 43 kg (95 lb) and was capable of a substantially higher rate of fire (1200-1300 rounds per minute).The People's Republic of China manufactures copies of both versions of this weapon as Norinco Type 23-1 (NR-23) and Type 23-2 (AM-23), respectively.".