rotor performance
71CH-53 Sea Stallion — Infobox Aircraft name=CH 53 Sea Stallion caption=A pair of CH 53D Sea Stallions approach a landing zone in Hawaii, 2004. type=Heavy lift cargo helicopter manufacturer=Sikorsky Aircraft designer= first flight=YCH 53: October 14, 1964 introduced=… …
72Bell 412 — For an overview of the whole Huey family of aircraft see Bell Huey Infobox Aircraft name=Bell 412 caption=Norwegian Bell 412SP helicopters taking part in the NATO exercise Strong Resolve 2002 type=Multipurpose utility helicopter manufacturer=Bell …
73Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
74V-22 Osprey — Infobox Aircraft name=V 22 Osprey caption=U.S. Marines jump from an Osprey. type=VTOL transport national origin = United States first flight=19 March avyear|1989 introduction=8 December avyear|2005 manufacturer= Bell Helicopter Boeing Helicopters …
75AH-1 Cobra — For an overview of the whole Huey family of aircraft see Bell Huey Infobox Aircraft name=AH 1 HueyCobra/Cobra caption=A Bell AH 1G HueyCobra type=Attack helicopter manufacturer=Bell Helicopter designer= first flight=7 September 1965… …
76Pneumatic motor — The Victor Tatin airplane of 1879 used a compressed air engine for propulsion. Original craft, at Musée de l Air et de l Espace …
77TH-55 Osage — Infobox Aircraft name = TH 55 Osage Hughes 269 caption = Hughes TH 55 Osage type=Light utility and trainer helicopter manufacturer= Hughes Helicopters designer= first flight= October 1956 introduced= retired= status= primary user= United States… …
78Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 …
79Interactive Toy Concepts Micro Mosquito — The Interactive Toy Concepts Micro Mosquito is an indoor only, radio controlled toy helicopter designed by Interactive Toy Concepts of Toronto, Ontario, Canada. The toy was sold in the United States by RadioShack and in Canada by The Source by… …
80Bell Huey — The Bell Huey family of helicopters includes a wide range of civil and military aircraft produced since 1956 and still manufactured in 2008.This H 1 family of aircraft includes the utility UH 1 Iroquois and the derivative AH 1 Cobra attack… …
