Helicopter conversion

Details Helicopter conversion Helicopter conversion

1996-06-17

1998-08-11

Mojica, Virna Lissi

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

244 53R, 244 55, 244 58, 244 60, 60698, 60716, 60720, B64D 2700, B64D 3508, F01K 2104, F02B 7300

Patent

active

057915946

ABSTRACT:
A special purpose helicopter based on an existing airframe, power train, and engine, modified to provide greatly enhanced performance, payload, speed and maneuverability. The modification consists of modifying an original helicopter universal transmission center case for installation of twin drive shafts, at 180.degree. apart, and mounting a second engine on the airframe structure, at 180.degree. to the first engine, and forward of the transmission. An exhaust system for the second engine is split into two units for directing the exhaust outwardly and upwardly.

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patent: 4811627 (1989-03-01), Mouille
patent: 4831567 (1989-05-01), Lea
patent: 4858490 (1989-08-01), Grant
patent: 4969614 (1990-11-01), Capuani
patent: 5312069 (1994-05-01), Bollinger

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