helicopter rotor blade
21rotor — noun (C) technical 1 a part of a machine that turns around on a fixed point 2 also rotor blade the long flat part on top of a helicopter that turns around and around …
22helicopter — hel|i|cop|ter [ˈhelıkɔptə US ka:ptər] n ↑rotor blade [Date: 1800 1900; : French; Origin: hélicoptère, from Greek heliko (from helix; HELIX) + pteron wing ] a type of aircraft with large metal blades on top which turn around very quickly to make… …
23blade sweeping — An adjustment of the dynamic chordwise balance in which a tip of one of the blades of a helicopter rotor is moved backward or forward in its plane of rotation by changing the length of its drag brace …
24target blade — The identification of one helicopter rotor blade during electronic balancing. This is the reference blade with the double interrupter …
25flexible blade — A helicopter rotor blade with a trailing edge or balance tabs …
26Rotor dynamics — Rotorcraft dynamics and design is a subtle subject as it involves challenging issues in aerodynamics and mechanics. The rotor is the most complex and most important part of a helicopter. This is why it has been extensively studied during the last …
27blade — noun ADJECTIVE ▪ sharp ▪ blunt, dull (esp. AmE) ▪ curved, pointed, serrated, thin ▪ metal …
28Autorotation (helicopter) — Autorotation is the state of flight where the main rotor system of a helicopter is being turned by the action of air moving up through the rotor rather than engine power driving the rotor. The term autorotation can be traced back to a period of… …
29Retreating blade stall — is a hazardous flight condition in helicopters and other rotary wing aircraft, where the rotor blade rotating away from the direction of flight stalls. The stall is due to low relative airspeed and/or excessive angle of attack (or AOA).… …
30Radio-controlled helicopter — Nitro powered Align T Rex 600 NSP Electric powered Venom Ai …
