The project was developed with a German engineer, using corrugated aluminum construction with steel tube framing.
[2] The F-1 was an all-metal aircraft with a faired conventional landing gear.
The aircraft featured an enclosed cabin and corrugated aluminum construction on the wing and tail surfaces.
The aircraft was built without mock-ups or prototypes and was found to have no room for the pilot's feet.
The wing spar had to be cut, modified and re-welded to accommodate a pilot.