rotor blade
91Environmental effects of wind power — Compared to the environmental effects of traditional energy sources, the environmental effects of wind power are relatively minor. Wind power consumes no fuel, and emits no air pollution, unlike fossil fuel power sources. The energy consumed to… …
92dragging — 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… …
93lead-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 …
94teetering hinge — A hinge connecting a rotor blade to the hub and about which the blade rises and falls (i.e., flaps during its rotation). This permits the equalization of lift (or rotor thrust) between the advancing blade half and the retreating blade half of the …
95OH-6 Cayuse — Infobox Aircraft name= OH 6 Cayuse/ Loach caption= Right side view of the OH 6 Cayuse helicopter in flight. type= Light observation helicopter manufacturer= Hughes Tool Co. Aircraft Division designer= first flight= 27 February 1963 introduced=… …
96Westland 30 — infobox Aircraft name = Westland 30 type = Helicopter manufacturer = Westland Aircraft caption = A Westland 30 100, the initial production model designer = first flight = 10 April 1979 introduced = 1981 retired = status = primary user = British… …
97drag brace — i. An adjustable brace used to adjust the blade alignment of a semi rigid rotor. The braces resist the movement of the blade about its lead lad hinge and provide a means of sweeping the blade for chordwise balance. It is normally mounted on the… …
98Brownout (aviation) — In aviation, a brownout (or brown out ) is an in flight visibility restriction due to dust or sand in the air.cite book publisher = National Transportation Safety Board title = Special Investigation Report on Emergency Medical Services Operations …
99Backpack helicopter — A backpack helicopter is a helicopter motor and rotor and controls assembly that can be strapped to a person s back, so that he can walk about on the ground wearing it, and can use it to fly. Its harness, like a parachute harness, should have a… …
100Twilight Zone: The Movie — Original 1983 theatrical poster Directed by John Landis (prologue and segment 1) Steven Spielberg (segment 2) …
