auxiliary rotor


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auxiliary rotor

n
(Aeronautics) the tail rotor of a helicopter, used for directional and rotary control
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
* Other options include hydraulically operated side plates, upper conveyor cover, an auxiliary rotor drive and a high pressure washdown system.
Once the control problems were better understood, Sikorsky and his team were able to eliminate first one and then both of the horizontal auxiliary rotors, opting instead for changing the pitch of the main rotor to control longitudinal and lateral motion.
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