Samiksha Jaiswal (Editor)

Chadwick C 122

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Top speed
  
185 km/h

First flight
  
1985

Length
  
5.79 m

Manufacturer
  
Chadwick Helicopters

The Chadwick C-122 was a single-seat ultralight helicopter developed in the United States in the 1980s. It was a minimalist design consisting of a fibreglass shell enclosing a truss structure to which the engine, rotor mast, landing gear, and pilot's seat were attached. A wide variety of roles were envisaged for the aircraft, and therefore it was equipped with attachment points for spray bars, a cargo hook, external cargo racks, and even weapons for law enforcement work. The skid-type undercarriage could be quickly fitted with wheels for ground-handling, or floats for operations from water.

Contents

A prototype was constructed in 1985, and publicly unveiled at the Helicopter Association International annual convention the following year. Flight testing continued through 1987, with deliveries anticipated for that Autumn.

Variants proposed

  • C-122S - basic single-seat utility version
  • C-122T - two-seat version
  • C-122AG - agricultural version
  • C-122PI - "Police interceptor" version
  • C-122R - RPV version
  • C-122W - armed ("weapons") version
  • A tethered helicopter training platform based on the C-122 was also proposed

    Specifications (C-122S)

    General characteristics

  • Crew: One pilot
  • Length: 19 ft 0 in (5.79 m)
  • Main rotor diameter: 18 ft 6 in (5.64 m)
  • Height: 7 ft 2 in (2.19 m)
  • Main rotor area: 269 ft2 (25.0 m2)
  • Empty weight: 253 lb (115 kg)
  • Gross weight: 227 lb (500 kg)
  • Powerplant: 1 × Rotax 503, 63 hp (47 kW)
  • Performance

  • Maximum speed: 115 mph (185 km/h)
  • Range: 120 miles (193 km)
  • Service ceiling: 13,480 ft (4,110 m)
  • References

    Chadwick C-122 Wikipedia