Original prototype of the DB-3. Wooden low-wing monoplane with narrow (oval cross-section) fuselage and pilot cockpit 'borrowed' from the TsKB-12 fighter. No gunner position. Wing construction was very strong and light, but required numerous weldings and was complicated.
25k b/w photo from JNO Russian Aviation Page
Records by the TsKB-26 (by V.K.Kokkinaki):
|Engines||2*760hp M-85, Gnome-Rhone 14Krsd|