blade-swept area
21Sikorsky S-52 — Infobox Aircraft name= S 52 caption= Sikorsky S 52 type= Helicopter manufacturer= Sikorsky Aircraft designer= first flight= 12 February 1947 introduced= April 1951 retired= status= primary user= United States Navy more users= United States Army… …
22Silvercraft SH-4 — NOTOC Infobox Aircraft name=Silvercraft SH 4 caption= type=Light helicopter national origin=Italy manufacturer=Silvercraft designer= first flight=1963 introduced= retired= status= primary user= more users= produced= number built=21 variants with… …
23Kamov Ka-118 — NOTOC Infobox Aircraft name= Kamov Ka 118 caption= type= light multirole helicopter with NOTAR manufacturer= Kamov first flight= introduction= retired= status= Design in research more users= produced = number built= unit cost= developed from=… …
24Bensen B-6 — NOTOC Infobox Aircraft name=B 6 caption= type=Recreational rotor kite national origin=USA manufacturer=Bensen Aircraft for homebuilding designer=Igor Bensen first flight=avyear|1953 introduced= retired= status= primary user= more users= produced …
25XH-26 Jet Jeep — NOTOC The XH 26 Jet Jeep (known as the XA 8 by its manufacturer) was an experimental helicopter developed in 1951 by the American Helicopter Division of the Fairchild Engine and Airplane Corporation to meet a U.S. Army and USAF request for a… …
26Wind power in South Australia — is a growing industry with 648 megawatts (MW) of operational wind farm capacity and a further 170 MW under construction. [ [http://www.geocities.com/daveclarkecb/Australia/WindSA.html Wind power and wind farms in SA] ] South Australia is well… …
27Solidity — In reference to a wind energy conversion device, the ratio of rotor blade surface area to the frontal, swept area that the rotor passes through …
28Windstar turbine — The Windstar vertical axis turbine is a lift type device with straight, extruded aluminum blades attached at each end to a central rotating shaft and are operated as Linear Array Vortex Turbine Systems (LAVTS). Vertical axis rotors each with… …
29Vestas V90-2MW — The Vestas V90 2MW is a three bladed upwind horizontal axis wind turbine designed and manufactured by Vestas specifically for the light wind regimes of continental Europe. Essentially it is a V80 with a larger rotor (giving 27% more swept area… …
30airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
