porpoising
1porpoising — feeding in slow surface rolls, e.g. trout taking surface insects. See also priming behaviour …
2porpoising — A condition in which the airplane bounces back and forth between the nose or tail wheel and the main gear after or near touchdown. It happens because of an incorrect landing technique and excessive air speed on final approach. The situation can… …
3Ground effect in cars — For another similarly named effect relating to aircraft, see Ground effect in aircraft. Ground effect is term applied to a series of aerodynamic effects used in car design, which has been exploited to create downforce, particularly in racing cars …
4Aerostat — The word aerostat was originally French and is derived from the greek aer (air) + statos (standing). An aerostat is a lighter than air object that can stay stationary in the air. Aerostats include free balloons, airships, moored balloons and… …
5Motorised Submersible Canoe — Class overview Name: Motorised Submersible Canoe Operators …
6P-51 Mustang — infobox Aircraft name = P 51 Mustang type = Fighter manufacturer =North American Aviation caption = North American P 51 Mustangs of the 375th Fighter Squadron, 361st FG, summer 1944 first flight =26 October 1940 introduction =1942 retired =1957,… …
7V-1 flying bomb — Buzzbomb redirects here. For the song by the Dead Kennedys, see Buzzbomb (song). For other uses, see V1 (disambiguation). V 1 flying bomb Fieseler Fi 103 Flakzielgerät 76 (FZG 76) V 1 flying bomb …
8PT boat — PT 105 at high speed PT Boats were a variety of motor torpedo boat (hull classification symbol PT , for Patrol Torpedo ), a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The PT boat squadrons… …
9Santa Barbara Island — is a small island located about convert|50|mi|km off the southern California coast near Los Angeles.With a total area of about 640 acres (2.6 km²) it is the smallest of the eight Channel Islands of California. It is the southern most island in… …
10Fraser's Dolphin — Taxobox name = Fraser s Dolphin or Sarawak Dolphin status = DD status system = iucn2.3 image2 caption = Size comparison against an average human regnum = Animalia phylum = Chordata classis = Mammalia subclassis = Eutheria ordo = Cetacea subordo …
