Franklin, Jim Waco UPF-7 / Jet Waco
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The Franklin 1937 UPF-7 Waco biplane that has a conventional radial engine and a 2200-lb-thrust jet unit from a Cessna Citation bolted between the main gear. Warm the Pratt & Whitney R-985 piston engine up well, test the smoke system a few times for good crowd effect, pretend to take off in the normal fashion by pointing the nose into wind up the runway, then give it the gas: full noise but across the runway and straight up.
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