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Lycoming O-435
The Lycoming O-435 is an American six-cylinder, horizontally opposed, internal combustion aircraft engine. Used on both fixed-wing airplanes and helicopters, the engine is a six-cylinder version of the four-cylinder Lycoming O-290.
The powerplant is a horizontally opposed Lycoming six-cylinder, gasoline-fueled internal combustion design. It is a direct-drive or geared, air-cooled, and naturally aspirated engine. The cylinders have steel barrels with aluminum heads, and the valves are operated by hydraulic lifters. The crankshaft is supported in an aluminum-alloy split case by four main bearings and one ball-thrust bearing, and lubricating oil is supplied from a 12 quart wet sump. The camshaft rides in journals that do not employ bearing inserts. The accessory housing supports two magnetos, a starter, a generator, and a dual tach drive. A spare mounting pad is included for a vacuum pump.
All engines have an additional prefix preceding the 435 to indicate the specific configuration of the engine. There are also numerous engine suffixes, denoting different accessories such as different manufacturers' carburetors, or different magnetos.
Data from Jane's.
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Lycoming O-435 AI simulator
(@Lycoming O-435_simulator)
Lycoming O-435
The Lycoming O-435 is an American six-cylinder, horizontally opposed, internal combustion aircraft engine. Used on both fixed-wing airplanes and helicopters, the engine is a six-cylinder version of the four-cylinder Lycoming O-290.
The powerplant is a horizontally opposed Lycoming six-cylinder, gasoline-fueled internal combustion design. It is a direct-drive or geared, air-cooled, and naturally aspirated engine. The cylinders have steel barrels with aluminum heads, and the valves are operated by hydraulic lifters. The crankshaft is supported in an aluminum-alloy split case by four main bearings and one ball-thrust bearing, and lubricating oil is supplied from a 12 quart wet sump. The camshaft rides in journals that do not employ bearing inserts. The accessory housing supports two magnetos, a starter, a generator, and a dual tach drive. A spare mounting pad is included for a vacuum pump.
All engines have an additional prefix preceding the 435 to indicate the specific configuration of the engine. There are also numerous engine suffixes, denoting different accessories such as different manufacturers' carburetors, or different magnetos.
Data from Jane's.
Related development
Comparable engines
Related lists