reversing propulsion system
1Quattro (four wheel drive system) — quattro (meaning four in Italian), is the name used by Audi AG to indicate that four wheel drive (4WD) technologies or systems are used on specific models of the Audi automobiles.Audi.com Glossary [http://www.audi.com/audi/com/en2/tools/glossary/e… …
2Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… …
3aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
4Controllable pitch propeller — A controllable pitch propeller (CPP) or variable pitch propeller is a type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also… …
5Ionocraft — [ thumb|right|A simple ionocraft, generating 15 gF (0.147 newtons) of thrust at 54 kV] An ionocraft or ion propelled aircraft, commonly known as a lifter, is an electrohydrodynamic device (utilizing an electrical phenomenon known as the… …
6Kingston class coastal defence vessel — HMCS Brandon (MM 710) Class overview Name: Kingston class Builders: Halifax Shipyards Ltd …
7Ctenophora — For the genus of crane flies, see Ctenophora (genus). Comb jellies Temporal range: Cambrian – Recent …
8Wicked Twister — Infobox roller coaster name =Wicked Twister caption =Wicked Twister location =Cedar Point type =Steel type2=Inverted type3=Launched status =Open opened =May 5, 2002 manufacturer =Intamin AG designer = model =Twisted Impulse Coaster track = lift… …
9USS Aylwin (FF-1081) — The USS Aylwin (FF 1081) was a United States Navy Sclass|Knox|frigate. She was the fourth vessel named for John Cushing Aylwin. Aylwin was laid down on 13 November 1969 at Westwego, La., by the Avondale Shipyard, Inc.; launched on 29 August 1970; …
10FlyZone Cessna 182 Skylane — The FlyZone Cessna 182 Skylane is a beginner to intermediate level RTF electric foam park flyer designed, manufactured and distributed by FlyZone, a division of Hobbico, Incorporated of Champaign, Illinois USA. Introduced in 2006 and officially… …
