{{airplane blueprints}} {{aircraft drawings}} {{DIY airplane plans}} {{light aircraft designs}} {{plane construction kits}} {{aviation schematics}} {{ultralight aircraft plans}} {{homebuilt aircraft blueprints}} {{airplane CAD files}} {{3D airplane models}} {{aircraft engineering plans}} {{aviation enthusiasts tools}} {{build your own airplane}} {{aircraft design templates}} {{pilot projects DIY}} AW CHOPPY HOBBYCOPTER CHOPPY the best self-made helicopter. Design drawings. Adams Wilson's Choppy single helicopter the best of known self-made helicopters. It also is known as Flying Triumph or , this design has served for creation of many successful self-made helicopters as Scorpion I and . Drawings consist of 40 pages of format ?-3, all units are completely detailed and clear for independent construction of the helicopter. The AW Choppy is one of the most famous of all homebuilt . Designed in the late 50's, The AW Choppy was designed to use commonly found materials that were readily available to consumers. The Choppy (also known as the ) was designed to use a motorcycle engine of about 50 hp for the . Various engines have been used. Some people have even used a snowmobile motor! More recent choppers commonly use an ultralight 2 cycle Rotax engine around 52 horsepower.The AW Choppy is a single seat, open cockpit, frame fabrication helicopter. General characteristics Crew: one pilot Length: 15 ft. (4.57 m) Main rotor diameter: 21 ft. 6 in. (6.55 m) Height: 6 ft. (1.83 m) Main rotor area: 363 ft (34 m) Empty: 300 lb (136 kg) can be built as an ultralight. Loaded: 600 lb (183 kg) Maximum takeoff: lb ( kg) : various - typically a 4-stroke triumph motorcycle engine Performance Maximum speed: 85 mph (136 km/h) Range: ? Service ceiling: 8,500 ft. (2,590 m) Rate of climb: 950 ft/min (290 m/min) Main rotor loading: 1.7 lb/ft (5.3 kg/m) Power/mass: varies I only the seller also do not bear the responsibility for possible mistakes of the designer.