Darmstadt D 31
Type
Two seat glider
Dimensions
Length 8,45 m, height 1,5 m, span  20,0 m, wing area 20,0 m2, max- width 0,6 m, frontal area 0,52 m2, aspect ratio 20, fin area 1,75 m2, flap area 0,79 m2,
stabilizer area 1,25 m2, elevator 0,81 m2, chord at wing root 1,33 m, at the tip 0,44 m, mean average chord 1 m
Weights
Empty (est.) 180 kg, max. flying weight 350 kg, wing loading 17,5 kg/m2
Performance
Max. speed 260 km/h, glide ratio 31 at 67 km/h, min. descent rate 0,56 m/sec. at 60 km/h
Type
Werk.Nr
Registration
History
     
Designed by H. Friedmann in 1937. Profile NACA 4415 to 4412. Fuselage like the D-30