The XP-72 was a more-or-less straightforward progressive development of the P-47 Thunderbolt, designed to be a successor for that very successful aircraft. With a 3450 hp engine, a maximum speed of 500mph was hoped for. After favorable testing of the prototype, the USAAF ordered 100 examples, though the contract was cancelled with the changing course of the war. Only the two prototypes were built, one of which crashed, and the other was eventually scrapped.
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Additional information on this aircraft can be found at Wikipedia here.
(updated February 2009)
Type: Fighter Crew: 1, Pilot Armament: six .50 cal machine guns or optionally four 37-mm cannon plus optional two 1000 lb. bombs Specifications: Length: 36' 7" Height: 16' 0" Wingspan: 40' 11" Wing Area: 300 sq. ft. Empty Weight: 11,476 lbs Max Weight: 17,490 lbs Propulsion: No. of Engines: 1 Powerplant: Pratt & Whitney R-4360-13 Wasp Major Horsepower: 3450 hp Performance: Range*: 2520 miles Max Speed: 490 mph Ceiling: 42,000 ft * (with two 125 Imp. gall. drop tanks)
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