Circa 1998, the Hagel system provided a tractor power system for hang gliders.
The system was certified in Austria and Germany using the Wills Wing Supersport and Ultrasport wings, but could be adapted for other wings.
Engine: Solo 210, 15 hp
Reduction ratio: 1.4-1
Prop diameter: 200 cm
Fuel capacity: 9 lt
Empty weight: 25 kg
Certification: vz (A)
Price (1998): ATS 65,000
All Aero 