High Quality Content by WIKIPEDIA articles! The Adams- Wilson Hobbycopter (later named the Choppy) is a small, single-seat, open-framework helicopter designed for homebuilding, to be powered by a motorcycle engine. Plans were first marketed in 1958 and have been revised and revived by various designers many times over the years.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.