GyroTec DF02

The GyroTec DF02 is a German autogyro, designed and produced by GyroTec Michael Obermaier of Wörth am Rhein. The DF02 is supplied as complete ready-to-fly-aircraft.[1]

Role Autogyro
National origin Germany
Manufacturer GyroTec Michael Obermaier
Status In production (2013)
Unit cost
33,500 (assembled, 2011)

Design and development

The DF02 features a single main rotor, a single-seat enclosed cockpit with an optional bubble canopy, tricycle landing gear and a twin cylinder, liquid-cooled, two-stroke, dual-ignition, fuel-injected 70 hp (52 kW) Hirth 3503 engine in pusher configuration.[1]

The aircraft uses a 7.45 m (24.4 ft) diameter, high-inertia Averso Aviation rotor, with a chord of 21.6 cm (8.5 in). The rotor head was designed by GyroTec and includes a disc-style rotor brake, pre-rotator and integral articulation stops. The DF02 has an empty weight of 175 kg (386 lb) and a gross weight of 300 kg (661 lb), giving a useful load of 125 kg (276 lb).[1]

The bubble canopy can be removed for flight in warm weather. In 2009 the canopy size was increased to accommodate taller pilots.[1]

Specifications (DF02)

Data from Bayerl[1]

General characteristics

  • Crew: one
  • Empty weight: 175 kg (386 lb)
  • Gross weight: 300 kg (661 lb)
  • Fuel capacity: 62 litres (14 imp gal; 16 US gal)
  • Powerplant: 1 × Hirth 3503 twin cylinder, liquid-cooled, two-stroke, dual-ignition, fuel-injected aircraft engine, 52 kW (70 hp)
  • Main rotor diameter: 7.45 m (24 ft 5 in)
  • Propellers: 3-bladed composite


  • Maximum speed: 180 km/h (110 mph, 97 kn)
  • Cruise speed: 120 km/h (75 mph, 65 kn)
  • Rate of climb: 5.5 m/s (1,080 ft/min)


  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 180. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
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