The 15m Standard Class Orion had its first flight in December 1971. It is a mixture of wood, metal and GRP. The fin was upright – no sweepback.
Only two were built.
Wingspan: 15m
Wing section: FX61-168/FX60-1261
Wing area: 11.6 sq,m
Aspect ratio: 19.4
Wing loading: 38 kg/sq.m
Empty weight: 255 kg
AUW: 442 kg
Min sink: 0.62 m/sec at 84 kph
Stall: 69 kph
Max speed: 250 kph
Glide ratio: 40-1 at 90 kph
All Aero 