The 1941 T-3B was a single-place cabin monoplane of fabric-covered wood geodetic construction by Harry J. Thalman. One was built, registered NX28374.
The T-3B was a revised airframe with a T-tail and spats fitted to main wheels.
Engine: Velie M-5, 55hp
Wingspan: 41’0″
Max speed: 130 mph
Cruise: 120 mph
Stall: 38 mph
Seats: 1
All Aero 