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 s
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.
대표청구항▼
[ I claim:] [1.] A process of converting a highly successful helicopter airframe, power train, and engine, by adding a second engine and modifying the transmission and airframe to provide greatly enhanced performance and payload, said helicopter conversion process comprising:modifying a helicopter a
[ I claim:] [1.] A process of converting a highly successful helicopter airframe, power train, and engine, by adding a second engine and modifying the transmission and airframe to provide greatly enhanced performance and payload, said helicopter conversion process comprising:modifying a helicopter airframe structure having a vertical tower section, said structure providing a frame for mounting exterior surfaces and all other equipment, including a first engine and transmission, landing skids, tail boom, fuel system, electrical system, and flight controls and equipment,modifying an original helicopter universal transmission having a center case for a single engine, dual piloted, multi-passenger helicopter, said center case being modified for installation of twin drive shafts, at 180.degree. apart and having a generator shaft opening and oilways built within,mounting a second engine on said airframe structure, said first engine being mounted aft of said transmission with a drive shaft connected through said center case to said transmission for driving said transmission, said first engine having an exhaust system, mounting said second engine on said airframe structure forward of said transmission at 180.degree. to said first engine, and connecting a drive shaft through said center case for driving said transmission, andconnecting exhaust means to said second engine and said airframe, and splitting said exhaust means into two units for directing the exhaust outwardly and upwardly.
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이 특허에 인용된 특허 (8)
Ivanko Theodore (Fairfield CT) Saboe Michael S. (Trumbull CT), Drive system.
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