In practice, the RHP Zero is a problem which causes accidents. Could anyone explain more to me?
In this conference paper
http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=411460&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D411460
Hello,
The vertical takeoff and landing planes(VTOL) use completely or mainly the propulsion system for the control of attitude and of trajectory, It is thus necessary to control the aircraft attitude and the trajectory, in the case of the longitudinal movement, it thus should be used another thing that the RHP, or aerodynamics, ineffective at low air speed.
One of the solutions of topicality is control by vectoring thrust, or jet control surfaces or devices (nozzles or jet activated flaps) far from gravity center which creates an effective moment forces to control pitch roll and yaw moments. This efficiency is needed at low air speed to avoid lost control or spin departures.
For VTOL or STOVL it is thrust vectoring, well go and read articles on Harrier jump jet. Another solution is rotor tilting go and read artcles on Osprey Tilt rotor
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