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V-173 1942 = 1p circular-wing "flying pancake;" two 80hp Continental; span: 23'1" length: 26'0" v: 138; ff: 12/23/42 (p: Boone T Guyton). Charles H Zimmerman, nicknamed "Zimmer Skimmer." Wingtip-mounted motors, 16' three-blade, laminated-wood props; fabric-covered, near stall-proof wing of low aspect ratio, twin tails. Could take-off in 200' in zero wind, land in 50'. Design influenced XF5U-1 of 1947. Zimmerman US patent #2,431,293 of 11/18/47. POP: 1 [02978], completed 171 flights for 131.8 hours flight time and was flown several times by Charles Lindbergh, who was intrigued by the design. Presently (1/20/04) in restoration at Vought Aircraft Heritage Museum.
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