flexible-blade rotor
1flexible blade — A helicopter rotor blade with a trailing edge or balance tabs …
2Helicopter 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 …
3NASA wind turbines — NASA experimental wind turbines drawn to the same scale Starting in 1975, NASA developed technologies and was the technical manager for the United States Department of Energy and the United States Department of Interior on a program to develop… …
4sailing — i. The method of calculating tracks and distances without plotting and measuring or using other allied processes, such as fixing a position by knowing the run along a track from a starting point. The various types of sailings are parallel sailing …
5Wind turbine design — An example of a wind turbine, this 3 bladed turbine is the classic design of modern wind turbines Wind turbines History Design …
6E-Sky Lama model helicopters — The E Sky Lama family of model helicopters comprises small, 4 channel, remote controlled electric coaxial helicopters produced by E Sky. These include the original Lama, the Lama V2, Lama V3 and Lama V4, a series of coaxial remote control… …
7Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …
8Mil Mi-24 — Mi 24 / Mi 25 / Mi 35 Polish Mil Mi 24 Role Attack helicopter with transport capabilities …
9Cierva C.4 — C.4 Role Experimental autogyro National origin Spain Manufacturer Juan de la Cierva Designer Juan de la Cierva First flight January 1923 Number built 1 …
10Ceiling fan — A ceiling fan is a fan, usually electrically powered, suspended from the ceiling of a room, that uses hub mounted rotating paddles to circulate air. Casablanca Fan Co. ceiling fan from the early 1980s. A ceiling fan rotates much mo …
