helicopter rotor blade
41De Bothezat helicopter — de Bothezat The Flying Octopus Role Experimental rotorcraft Manufacturer …
42Heavy Transport Helicopter — infobox Aircraft name = Heavy Transport Helicopter type = Heavy lift cargo helicopter logo = manufacturer = Eurocopter GmbH, Muenich caption = designer = first flight = introduction = retired = status = Program study primary user = more users =… …
43Westland Widgeon (helicopter) — Infobox Aircraft name= Westland Widgeon caption= type=Helicopter manufacturer=Westland designer= first flight= 23 August, 1955 introduced= retired= status= primary user= more users= produced= number built=about 15… …
44rigid rotor — A rotor head that allows the blades freedom to feather but not to flap or lead lag. The rotor head has to absorb all the forces generated during flight maneuvers. Control loads in this type of rotor head are high; however, this type imparts the… …
45Miniature helicopter — Generic toy miniature helicopter Miniature helicopters are remotely controlled helicopters with a weight ranging from hundred grams to a few grams. Most in production are toys aimed at hobbyists and enthusiasts. In addition there are many… …
46cross-beam rotor — Usually the tail rotor of a helicopter comprising a two blade assembly, superimposed on each other. The angle at which rotors are superimposed is normally 90°, but this superimposition can be at other angles as well …
47diving blade — A blade track of a helicopter’s main rotor that lowers with an increase in RPM …
48dragging — The freedom given to each blade of a rotor to allow it to move in the plane of rotation independently of other blades. It is basically the angular oscillation of a rotor blade in the plane of rotation about a substantially vertical axis. This is… …
49lead-lag motion — An angular oscillation of a rotor blade in the plane of rotation about a substantially vertical axis. The fore and aft movement of the tip of a helicopter rotor blade in its plane of rotation. Lead lag motion is the freedom given to each blade of …
50Damage tolerance — is a property of a structure relating to its ability to sustain defects safely until repair can be effected. The approach to engineering design to account for damage tolerance is based on the assumption that flaws can exist in any structure and… …
