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Re: Request for Data R-40C
Vultee's XP-54 "Swoose Goose" twin-boom, pusher layout powered by a Pratt & Whitney X-1800 (H-2600) or Lycoming's XH-2470 24 cylinder liquid cooled "X" configuration engine. Chosen as the winner of R-40C. Two were built and flown. A redesign - never built - using a Wright R-2160 engine, a 42 cylinder - six rows of seven cylinders - liquid cooled radial engine, was designated XP-68.
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