Akaflieg Karlsruhe AK-1

First flight: 1971

Engine: Hirth F10A/ 28 hp         
Wing span: 15m
Wing area: 14.36sq.m            
Empty Weight: 230kg
Gross Weight: 380kg                
Wing Load: 26.5kg/sq.m
Vmin: 65 km/h             
Structure: Metal
Airfoil: FX 61-1631             
Aspect ratio: 15.7
MinSink: 0,68 m/s             
L/DMax: 30
No. of Seats: 1