One of the most instantly recognizable bipes in American aviation is the Stearman PT-17. The blue and yellow Stearman, with red and white striped rudder was the mentor of thousands of Army Air Corps aviators and is most often identified with this trainer aircraft. But the Navy also relied on the Stearman and in Navy parlance it was called the N2S-1, -2, or -3. Pretty much the same plane as the Army Air Corps PT-17 but finished in an overall gray scheme. This is the Stearman which Great Planes has recently released, even though it's called a PT-17. This is an ARF that's just big enough to be classified IMAA legal for those who want to participate in giant scale meets at a minimal level. As such it will take a .91-1.08 2-stroke, or .91-1.20 4-stroke. I think most will opt for the more guttural sound of the 4-stroke because of that big, exposed radial engine that characterizes the Stearman.
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