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Crow (missile) : ウィキペディア英語版 | Crow (missile)
The Creative Research On Weapons or Crow program was an experimental missile project developed by the United States Navy's Naval Air Missile Test Center during the late 1950s. Intended to evaluate the solid-fueled integral rocket/ramjet (SFIRR) method of propulsion as well as solid-fueled ramjet engines, flight tests were conducted during the early 1960s with mixed success. ==Development and RARE== Studies of the rocket-ramjet and solid-fueled ramjet concepts began at the U.S. Navy's Naval Air Missile Test Center – later the Naval Missile Center – at Point Mugu, California in 1956, with the intent of increasing the range of small air-to-air missiles through using the combined ramjet and rocket propulsion system with solid fuels only.〔 Following extensive ground testing, the concept was considered promising enough for a flight-test vehicle to be constructed to fully evaluate the new engine.〔Parsch 2004〕 The first flight test vehicle, known as Ram Air Rocket Engine or RARE, was developed by the Naval Ordnance Test Station at China Lake, California. RARE was constructed using a conventional five-inch (127mm) rocket tube, in length and weighing .〔Parsch 2007〕 Rocket-sled tests conducted during 1956 indicated that the rocket-ramjet configuration would be stable;〔NOTS 1956, p.181.〕 three flight tests were conducted between 1959 and 1960, with the RARE rocket reaching speeds of Mach 2.3.〔Waltrup, White, Zarlingo and Gravlin 1997, p.238〕
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