The basic design of the later KC-97 started out as a transport version of the B-29 Superfortress.
The Piper Aircraft Company, like several other lightplane manufacturers, submitted a liaison version of their tandem trainer to the military.
The Yakovlev Yak-11 “Moose” (a United Nations Designation), went into service with the Russian Air Force in 1946 as a high-performance two-place advanced trainer.
Although some of the of the two-place Curtiss-Wright Travel Air 12 series airplanes had radial engines (there were both Warner- and Kinner-powered versions), the most popular was offered with an inline engine.
The Brochet “Pipistrelle” was designed by Maurice Brochet before the War, but, as France was no place to be building sport planes during the Occupation, the design was not well known until the late 1940’s.
The Martin Mars was designed for a need that evaporated before it went into service.
One of the greatest bushplanes to come out of aviation’s short history was the De Havilland Otter.
A step out of the norm for the Bellanca Aircraft Corporation, the Cruisair Junior was a small fully-cantilevered low-wing design, built by a company that was known for its large strut-braced high-wing airplanes.
With its elliptical wing and handcrank-operated gear, the Culver Cadet was an interesting little airplane.
One of the most enduring of the early speedsters, the Howard 'Pete' raced continually from 1930 to 1935.