Goodyear GA-400R Gizmo
The Goodyear GA-400R Gizmo was a one-man helicopter proposed for duties such as liaison and observation.
|National origin||United States of America|
|Manufacturer||Goodyear Aircraft Company|
|First flight||9 May 1954|
Design and development
The one-man helicopter was designed to be lightweight and simple. The airframe is made of welded aluminum tubing. The rotor blades have wooden cores with fiberglass surfaces. The engine is a Johnson outboard marine engine. The transmission used rubber belts. The Gizmo has demonstrated low autorotation sink rates of 1200 ft/min.
- A 55 hp Mercury outboard powerplant.
- 38 hp (28 kW) Johnson two stroke powerplant
Data from EAA
- Capacity: 1
- Length: 18 ft 4 in (5.59 m)
- Height: 6 ft (1.8 m)
- Empty weight: 290 lb (132 kg)
- Gross weight: 490 lb (222 kg)
- Fuel capacity: 4 gal
- Powerplant: 1 × Johnson Outboard Marine & Mfg. Model RDHE Two cycle piston, 38 hp (28 kW)
- Main rotor diameter: × 20 ft (6.1 m)
- Main rotor area: 314 sq ft (29.2 m2)
- Maximum speed: 48 kn (55 mph, 89 km/h)
- Cruise speed: 35 kn (40 mph, 64 km/h)
- Service ceiling: 8,000 ft (2,400 m)
- Rate of climb: 400 ft/min (2.0 m/s)
- Paul Marcel Lambermont, Anthony Pirie. Helicopters and autogyros of the world.
- Sport Aviation. April 1958. Missing or empty
- William Green, Gerald John Pollinger. The aircraft of the world.
- "Goodyear GA-400R-3". Retrieved 30 April 2011.