Bauer BAD-12 Gyrotrainer

The Bauer BAD-12 Gyrotrainer is a Czech autogyro, designed and produced by Bauer Avion of Prague. The aircraft is supplied as a complete ready-to-fly-aircraft.[1]

BAD-12 Gyrotrainer
Role Autogyro
National origin Czech Republic
Manufacturer Bauer Avion
Status In production (2012)

Design and developmentEdit

The BAD-12 Gyrotrainer features a single main rotor, a two seats in tandem open cockpit with a windshield, tricycle landing gear with wheel pants, a triple tail and a four-cylinder, air and liquid-cooled, four-stroke, dual-ignition 100 hp (75 kW) Rotax 912ULS engine in pusher configuration. The turbocharged 115 hp (86 kW) Rotax 914 and Subaru EJ22 are optional engines.[1]

The aircraft fuselage is made from tubing, while the cockpit fairing is composite. The main rotor has a diameter of Its 8.70 m (28.5 ft). The BAD-12 has an empty weight of 284 kg (626 lb) and a gross weight of 450 kg (990 lb), giving a useful load of 166 kg (366 lb). The tricycle landing gear is supplemented with a small tailwheel to prevent dragging the tail on take-off. The tailboom has a bend in it to permit the installation of larger and more efficient propellers.[1]


BAD-12 Gyrotrainer
Base open cockpit model.[1]
BAD-12 Gyrotrainer C
Cabine model with a fully enclosed fairing.[1]

Specifications (BAD-12 Gyrotrainer)Edit

Data from Bayerl[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Empty weight: 284 kg (626 lb)
  • Gross weight: 450 kg (992 lb)
  • Fuel capacity: 55 litres (12 imp gal; 15 US gal)
  • Powerplant: 1 × Rotax 914 four cylinder, turbocharged, liquid and air-cooled, four stroke aircraft engine, 86 kW (115 hp)
  • Main rotor diameter: 8.70 m (28 ft 7 in)
  • Propellers: 2-bladed composite, ground adjustable


  • Maximum speed: 160 km/h (99 mph, 86 kn)
  • Cruise speed: 100 km/h (62 mph, 54 kn)
  • Rate of climb: 3 m/s (590 ft/min)


  1. ^ a b c d e f Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 177. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

External linksEdit