Designed by Wally Timm, Timm Aircraft produced prototype T-840 twin-engined six-seat transport.
The T-840 featured plastic-bonded plywood (Aeromold) construction, tricycle gear, and wing slots.
First flying in February 1938, only one was built, NX17390.
Engines: 2 x Wright R-975E, 420hp
Wingspan: 50’0″
Length: 30’6″
Useful load: 384 lb
Max speed: 207 mph
Cruise speed: 193 mph
Stall: 60 mph
Range: 790 mi
Seats: 6-10
All Aero 