The Lycoming

Lycoming Engines

Lycoming Engines is a U.S. aircraft engine company, known primarily for its general aviation engines. For most of its history Lycoming has been part of the AVCO group as AVCO Lycoming. In 1987 AVCO was purchased by Textron to become Textron Lycoming...

 O-235 is a family of four-cylinder, air-cooled, horizontally opposed piston aircraft engines that produce 100 hp, derived from the earlier O-233 engine.

Well-known designs that use versions of the O-235 included the Cessna 152

Cessna 152

The Cessna 152 is an American two-seat, fixed tricycle gear, general aviation airplane, used primarily for flight training and personal use.-Development:...

, Grumman American AA-1

Grumman American AA-1

The Grumman American AA-1 series is a family of light, 2-seat aircraft. The family includes the original American Aviation AA-1 Yankee Clipper and AA-1A Trainer, the Grumman American AA-1B Trainer and TR-2 and the Gulfstream American AA-1C Lynx and T-Cat.-Development history:The Yankee was...

 series, Beechcraft Model 77 Skipper

Beechcraft Skipper

|-See also:-References:* "Airdata File: Beechcraft PD 285". Air Enthusiast, December 1975, Vol 9 No 6. p. 312.*...

, Piper PA-38 Tomahawk and the Piper PA-22-108 Colt.
The engines are all carburetor

Carburetor

A carburetor , carburettor, or carburetter is a device that blends air and fuel for an internal combustion engine. It is sometimes shortened to carb in North America and the United Kingdom....

-equipped, feature dual magneto

Magneto (electrical)

A magneto is an electrical generator that uses permanent magnets to produce alternating current.Magnetos adapted to produce pulses of high voltage are used in the ignition systems of some gasoline-powered internal combustion engines to provide power to the spark plugs...

 ignition and have a displacement of 233 cubic inches (3.82 L).