Propeller — 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… … Wikipedia
Protein folding — Protein thermodynamics redirects here. For the thermodynamics of reactions catalyzed by proteins, see Enzyme. Protein before and after folding. Protein folding is the process by which a protein structure assumes its functional shape or… … Wikipedia
Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R … Wikipedia
Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame … Wikipedia
Alpaero Choucas — Choucas Role Motor glider National origin France Manufacturer ALPAERO Noin Aéronautique, Châteauvieux Designer Claude Noin First flight February 1996 Number built 2 flying, oth … Wikipedia
Nathanael Herreshoff — Nathanael Greene Herreshoff (March 18, 1848–June 2, 1938), born in Bristol, Rhode Island, was a naval architect engineer. He revolutionized yacht design, and produced a succession of undefeated sailboats for the America s Cup Race between… … Wikipedia
Alisport Silent 2 Targa — infobox Aircraft name = Silent 2 Targa type = DU Class glider manufacturer = Alisport caption = A Silent 2 Targa fuselage with a pilot trying out the cockpit designer = first flight = 8 December 1994 introduction = retired = status = primary user … Wikipedia
Politechnika Warszawska PW-6 — NOTOC The Politechnika Warszawska PW 6U is a Polish two seat training sailplane designed at the Warsaw University of Technology for basic flight instruction and transition training to the PW 5 single seater. It is manufactured at PZL Świdnik… … Wikipedia
AmEagle American Eaglet — NOTOC Infobox Aircraft name=American Eaglet caption= type=Ultralight sailplane manufacturer=AmEagle designer=Larry Haig first flight=1975 introduced= retired= status= primary user= more users= produced= number built= variants with their own… … Wikipedia
Stemme S10 — NOTOC The Stemme S10 is a self launching sailplane produced by Stemme AG in Strausberg (Germany) since the 1980s. It features an unusual folding propeller which is stowed inside the aircraft s nosecone when the engine is not in use. Two examples… … Wikipedia