Helicopter flight controls

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41	PDF Document Add to Reading List Source URL: hoffmann.stanford.edu Language: English - Date: 2007-09-10 19:22:59 Rotorcraft Quadrotor Helicopter rotor Helicopter Flight Brushless DC electric motor Vehicle Multirotor Helicopter flight controls Aerospace engineering Aircraft Aviation
42	PDF Document Add to Reading List Source URL: rotorcraft.arc.nasa.gov Language: English - Date: 2010-02-15 23:14:10 Helicopter flight controls Helicopter Aircraft Aerospace engineering Aviation