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出典:Wikipedia
出典:『Wikipedia』 (2011/04/21 19:20 UTC 版)
The CarterCopter is an experimental compound autogyro developed by Carter Aviation Technologies to demonstrate slowed rotor technology. On 17 June 2005, the CarterCopter became the first rotorcraft to achieve mu-1 (μ=1), an equal ratio of airspeed to rotor tip speed.
cartercopter