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Doppelraab IV




Designed by Fritz Raab. A 1950 glider trainer that was well used after the war because its compactness and low cost. The instructor seat was elevated and had no controls. The instructor having to reach over the students shoulders to take the controls.




Wing span: 12.76m
Wing area: 18sq.m
Length: 29.692 ft / 9.05 m
Empty Weight: 185kg
Gross Weight: 350kg
Wing Load: 19.4kg/sq.m
Aspect ratio: 9.05
Airfoil: Go 550
MinSink: 0.85 m/s 50 kph
L/DMax: 20 @ 55 kph
No. of Seats: 2
No. Built: 220



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