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]

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

Performance

• 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)

• Official website