feathering hub
1Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …
2Motor glider — DG 808B 18m self launching See also: glider (sailplane) A motor glider is a fixed wing aircraft that can be flown with or without engine power. The FAI Gliding Commission Sporting Code definition is: A fixed wing aerodyne equipped with a means of …
3Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …
4radius rod — (in a feathering paddle wheel) any of the rods, meeting in a hub mounted eccentrically with the paddle wheel shaft, for feathering the paddles while in the water. See illus. under paddle wheel. [1855 60] * * * …
5radius rod — noun : a bar for preserving an invariable distance between two pieces of a mechanism and permitting one to move around the other as a fixed point * * * (in a feathering paddle wheel) any of the rods, meeting in a hub mounted eccentrically with… …
6helicopter — /hel i kop teuhr, hee li /, n. 1. any of a class of heavier than air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine. v.i. 2. to fly in a… …
7Wind turbine — Offshore wind farm using 5MW turbines REpower 5M in the North Sea off Belgium This article discusses wind powered electrical generators. See windmill for wind powered machinery used to grind grain or pump water. A wind turbine is a device that… …
8Helicopter flight controls — Location of flight controls in a helicopter A helicopter pilot manipulates the helicopter flight controls in order to achieve controlled aerodynamic flight.[1] The changes made to …
9Raj Darbhanga — Darbhanga Raj, also known as Raj Darbhanga and the Royal Family of Darbhanga, were a family of Zamindars and rulers of territories that are now part of Mithila and Darbhanga district, Bihar, India. Their seat was at the city of Darbhanga. The… …
