
A 1984 hang glider.
Rival 15
Wing area: 15.4 m²
Wing span: 10 m
Aspect ratio: 6.5
Hang glider weight: 34 kg
Rival 17
Wing area: 16.8 m²
Wing span: 10.5 m
Aspect ratio: 6.56
Hang glider weight: 35 kg

A 1984 hang glider.
Rival 15
Wing area: 15.4 m²
Wing span: 10 m
Aspect ratio: 6.5
Hang glider weight: 34 kg
Rival 17
Wing area: 16.8 m²
Wing span: 10.5 m
Aspect ratio: 6.56
Hang glider weight: 35 kg