The Zenoah G-50 is a twin-cylinder, horizontally opposed,

two stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of t ...

, carburetted aircraft engine, designed for use on ultralight aircraft.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page G-8 Cybair Limited Publishing, 2001.

Development

The Zenoah G-50 is equipped with single

capacitor discharge ignition Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, turbine-powered aircraft, and some cars. It ...

and dual Mikuni slide-type carburetors. It is equipped with a

recoil starter Rope start (also called pull start or ''rewind start'') is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers, chainsaws, ultralight aircraft, small outboard motors and portable engine-generators. ...

system or optionally electric start and a 2.1 or 2.6:1 belt reduction drive. The engine runs on a mixture of unleaded auto fuel and oil. Producing at 5800 rpm, the G-50 competed in the early 1980s ultralight powerplant market against the similar

Rotax 447 The Rotax 447 is a , inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catlog'', pages 6-105. Leading Edge Airfoils, 1995. Design and development ...

. Production of the engine was completed in the late 1980s and today only used engines and parts are available.

Variants

;G50C :Twin-cylinder, horizontally opposed, two stroke, dual-carburetor, fan cooled aircraft engine. ;G50D :Twin-cylinder, horizontally opposed, two stroke, dual-carburetor, free air cooled aircraft engine. ;G50DFW :Twin-cylinder, horizontally opposed, two stroke, dual-carburetor, free air cooled aircraft engine, configured for firewall mounting, recoil starting not available.

Applications

AmeriPlanes Mitchell Wing T-10 The Mitchell Wing A-10 and T-10 are a family of American cantilever, tricycle landing gear, high-wing, pusher configuration, one and two seat ultralight aircraft designed for amateur construction or supplied as completed aircraft. The aircraft ...

Eagles Wing Scout The Eagles Wing Scout is an American powered parachute that was designed and produced by Eagles Wing Corporation of Normandy, Tennessee. Now out of production, when it was available the aircraft was supplied as a complete ready-to-fly aircraft.Ber ...

* Goodwin Buckshot * TEAM 1200Z Z-MAX * TEAM 1300Z Z-MAX * NWT Spruce Coupe *

Tennessee Propellers Scout The Tennessee Propellers Scout is an American powered parachute that was designed and produced by Tennessee Propellers of Normandy, Tennessee. The aircraft was introduced in 1999, but is no longer available.Cliche, Andre: ''Ultralight Aircraft Sho ...

Specifications (G-50C)

References

{{Zenoah aircraft engines Air-cooled aircraft piston engines Two-stroke aircraft piston engines