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The Goodyear GA-400R Gizmo is a 1950s American light single-seat observation and courier helicopter developed by the Goodyear Aircraft Company. It was left in prototype stage.

History Edit

The helicopter was designed by Paul Ziegler and made its first flight on 9 May 1954. The first prototype, N62N, was powered by a 32 hp Mercury outboard boat engine. Two more prototypes equipped with a 38 hp Johnson outboard were also built. These were known as the GA-400R-2 and the GA-400R-3, their registration codes were N69N and N53N, respectively. The US Navy tested the GA-400R-3 in 1957, but did not accept it into service.

Specifications (GA-400R-3) Edit

  • 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-stroke engine, 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)
Goodyear GA-400R-3

The GA-400R-3.

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