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REPUBLIC XP-84 ![]() REPUBLIC P-47 jet engine project ![]() REPUBLIC XP-47J ![]() LOCKHEED L-133 ![]() SWORDFISH concept plane of 1946 ![]() GOLDEN COMET concept plane of 1946 ![]() HORTEN X Entwurf I ![]() MORE '46 resin kits: HORTEN KAMPFJAGER HORTEN XVIIIa America bomber project HORTEN XVIIIb America bomber project Me P1106 "T" tail Me P1106 "Rocket" HORTEN IX Early design HORTEN XIII HORTEN IIIf EMW A9 and EMW A10 EMW A6 BELL RoBo RuhrstahlKramer X4 BELL RoBo Soviet R-12b Lippish LP-12 Entwurf IV |
XP-47J History The Republic XP-47J (Serial Number 43-46952) was the prototype for a lighter (armament reduced to six 0.5 machine guns) and very high-speed interceptor version of the company's well-known "Thunderbolt". It was powered by a Pratt & Whitney R-2800-57 piston engine equipped with a General Electric CH3 turbosupercharger that provided 2800 hp (+ 400 pounds of exhaust thrust). A speed of 504 mph was achieved by the prototype on August 4, 1944: it was the first prop-driven aircraft to break the 500 mph speed barrier. This record was only beaten by a highly modified Grumman F8F-2 "Bearcat" on August 21, 1989! 1989! - below: the first and now old boxart from 2001. ![]() -
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