Darmstadt D-14

Design H. Koch and R. Preuschen in 1927  Profile Joukowski, Lachman Span 9.0 m  Wingarea 14.0 m2  Weight empty 220 kg Engine 30 kw Two-seater Won 1:st prize in the construction competition at the Röhn-Rossitten-Gesellschaft and Idaflieg