Ye. E. Groppius never completed pusher canard of 1923, but switched to conventional GAZ-5 (designated from Leningrad factory) biplane transport (300-hp) for pilot, mechanic and 4 passengers, completed autumn 1924.
Ye. E. Groppius never completed pusher canard of 1923, but switched to conventional GAZ-5 (designated from Leningrad factory) biplane transport (300-hp) for pilot, mechanic and 4 passengers, completed autumn 1924.