We found 1 definitions of main rotor from 1 different sources.
Noun |
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main rotor - rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air | ||
rotor rotating mechanism consisting of an assembly of rotating airfoils; "there are horizontal rotors on a helicopter or compressor rotors in a jet engine" | ||
rotary wing, rotor blade the long airfoil that rotates to provide the lift that supports a helicopter in the air |