In 1943 two Pitcairn PA-44 gyrocopters were built for the Army Air Corp as XO-61 and YO-61, but not delivered. They were fitted with pusher engines.
Engine: 300hp Jacobs R-915A
Rotor diameter: 48’0″
Length: 28’6″
Max speed: 103 mph
Gross wt: 3038 lb
Seats: 2