The 1938 Pretty Prairie Special I, designed by Marion Unruh, was based on the Knight Twister. An open cockpit biplane, N25460 was built by George Albright.
Engine: 60hp Rearwin-LeBlond
Wingspan (upper): 24’0″ (lower) 18’0″
Length: 16’0″
Max speed: 100 mph
Cruise speed: 95 mph
Stall: 50 mph
Seats: 2
All Aero 