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Aviation of World War II |
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P-82 Twin MustangLong-range Escort FighterNorth American![]()
On January 7, 1944, the US Army Air Force ordered four experimental aircraft, giving them the designation XP-82. The fuselages of the new fighter outwardly resembled the P-51N, but their length was increased by 145 cm by an insert in front of the tail unit. The wing was a completely new design, which made it possible to increase the takeoff weight and increase the fuel supply in the wing tanks. The center section, which connected the two fuselages, received flaps and could carry one or two pylons. The wing consoles were reinforced and could also carry two pylons. Due to the greater inertia of the aircraft in the roll control, the aileron area was increased, the ailerons themselves became two-section, and their hinges were designed for heavy loads. The aircraft was equipped with liquid-cooled Packard "Merlin" V-1650-23/25 engines with a capacity of 1860 hp. The main landing gear struts were attached to the front to the spar of each console. The struts were retracted to the plane's line of symmetry. Armament consisted of six 12.7-mm Browning MG 53-2 machine guns with 300 rounds of ammunition per barrel, all in the center section. Two cabins retained control. The lanterns were drop-shaped - similar to the P-51N. The left cockpit housed the pilot and complete instrumentation for controlling the aircraft and engines. In the right cockpit there was a navigator-co-pilot with a reduced set of equipment intended only for temporary control of the aircraft. Even at the beginning of work, given the imminent end of the war, there was little hope that Packard Motor Car Company would continue to produce Merlin engines (the production of "British" motors after the war was considered "politically" unprofitable - " American motors! "). However, by that time, the Allison V-1710 engine had reached its peak, which, already without a turbocharger, only with a two-speed supercharger, could provide acceptable altitude characteristics. Accordingly, it was decided to install V-1710-119 engines on the third and fourth prototype aircraft, and the machines were renamed XP-82A. XP-82 # 44-83887 was flown over on April 15, 1945 by test engineer J. Burton. Another XP-82 # 44-83886 flew shortly after the first. The flight data of the P-82 was quite high and exceeded the data of the P-51 in almost all respects. Among the most advanced solutions used on the Twin Mustang were: hydraulic boosters in all control channels, thermal anti-icing system, anti-overload suits for crew members, an efficient air conditioning system in the cockpits, a low pressure oxygen system, and efficient pilot seat reservations.
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