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Gyro Kopp Ters Midnight Hawk

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Manufacturer
  
Gyro-Kopp-Ters

Gyro-Kopp-Ters Midnight Hawk wwwgyrokoppterscomwmid6jpg

The Gyro-Kopp-Ters Midnight Hawk is an American autogyro, designed by Bob and Arden Kopp and produced by their company, Gyro-Kopp-Ters of Lake City, Florida. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.

Contents

Design and development

The Midnight Hawk features a single main rotor, a single-seat open cockpit with a windshield, tricycle landing gear with wheel pants and a four-cylinder, air-cooled, four-stroke, 90 hp (67 kW) Subaru EA-82 automotive conversion engine in pusher configuration. The engine is available with a belt reduction drive or as a direct drive version.

The aircraft mounts a 25 ft (7.6 m) diameter Dragon Wings main rotor made by Rotor Flight Dynamics, with a chord of 7 in (17.8 cm). Standard equipment fitted includes a hydraulic pre-rotator. The propeller used is a three-bladed Powerfin composite, ground adjustable with a 5 ft (1.5 m) diameter. The aircraft has an empty weight of 510 lb (231 kg) and a gross weight of 810 lb (367 kg), giving a useful load of 300 lb (136 kg).

The company estimates the assembly time from the supplied kit as 60 hours.

Operational history

By January 2013 two examples had been registered in the United States with the Federal Aviation Administration.

Specifications (Midnight Hawk)

Data from Bayerl and Gyro-Kopp-Ters

General characteristics

  • Crew: one
  • Length: 12 ft 1 in (3.68 m)
  • Width: 5 ft 5 in (1.65 m)
  • Height: 8 ft 2 in (2.49 m)
  • Empty weight: 510 lb (231 kg)
  • Gross weight: 810 lb (367 kg)
  • Fuel capacity: 16 U.S. gallons (61 L; 13 imp gal)
  • Powerplant: 1 × Subaru EA-82 four cylinder, air-cooled, four stroke automotive engine, 90 hp (67 kW)
  • Main rotor diameter: 25 ft 0 in (7.62 m)
  • Propellers: 3-bladed Powerfin composite, ground adjustable, 5 ft (1.5 m) diameter
  • Performance

  • Maximum speed: 85 mph (137 km/h; 74 kn)
  • Cruise speed: 50 mph (80 km/h; 43 kn)
  • Never exceed speed: 120 mph (193 km/h; 104 kn)
  • Rate of climb: 600 ft/min (3.0 m/s)
  • References

    Gyro-Kopp-Ters Midnight Hawk Wikipedia