The Adams-Wilson Hobbycopter (later named the Adams-Wilson Choppy) is a small, single-seat, open-framework helicopter designed for homebuilding, to be powered by a motorcycle engine.

Adams and Paul Wilson to market plans for a simple single-seat helicopter named the HobbyCopter, of which they have built a prototype.

Plans were first marketed in 1958 and have been revised and revived by various designers over the years.

The Hobbycopter, (also colloquially known as the Flying Triumph), was designed to use commonly found materials that were readily available to customers.

The aircraft is available in the form of plans and some key parts for amateur construction from Vortech of Fallston, Maryland.