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Vultee V-70 / V-84 / XP-54



The XP-54, Vultee Model 70, was designed as a fast interceptor using the Pratt & Whitney X-1800-4AG engine. When the engine program was canceled, the aircraft was redesigned for the Lycoming XH-2470 and redesignated Vultee Model 84. With a pressurized cockpit, a pilot emergency ejection was downward, through a hole in the floor.
The first of two XP-54s built (S/N 41-1210) made its initial flight on 15 January 1943, piloted by Frank Davis, and flew 86 times before it was grounded by engine problems. The second aircraft (S/N 41-1211) flew only once, on 24 May 1944.
Vultee XP-54 - The only flight of 41-1211
The XP-54 nose section had a very unusual design feature. It tilted slightly upwards when firing its 37mm cannon to increase the firing range while the .50-cal. machine guns were tilted down at the same time. All had compensating gunsights.
Both were eventually scrapped.


Span: 53 ft. 10 in.
Length: 54 ft. 9 in.
Height: 13 ft. 0 in.
Weight: 15,262 lbs. empty/18,233 lbs. gross
Armament: Two 37mm cannon and two .50-cal. machine guns
Engine: Lycoming XH-2470 of 2,200 hp.
Maximum speed: 381 mph. at 28,500 ft.
Service ceiling: 37,000 ft.
Range: 500 miles


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