Two single-tail Ercoupe designs were built in 1946 under license from ERCO (NX39637, NX83772) under ATC approval (787) from Ercoupe.
With an all-metal fuselage, fabric-covered wings, tricycle gear, the last one had a larger tail, knee-action gear, and all-metal wings.
12AC Chum
Engine: Continental C-75, 75 hp
Continental C-85, 85 hp
Wing span: 29 ft 0 in
Length: 20 ft 0 in
Payload: 590 lb
Max speed: 115 mph
Cruise speed: 108 mph
Stall speed: 50 mph
All Aero 