Bell L-39-2 NAN2-61
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USN
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The Bell L-39-2 used by the U.S. Navy to study swept wings in its second configutation with fully swept wings for the X-2 program. The USN contracted with Bell for the modification of two P-63C-5 Kingcobras which would be fitted with a pair of wings swept back at 35 degrees, with a short inboard straight section. The wings carried adjustable leading edge slats and trailing-edge flaps. All armament was deleted and the rear canopy was faired over. These two planes were redesignated L-39-1 and L-39-2 respectively. The rather odd designation for a Navy aircraft was gotten by using the Navy's code letter for Bell (L) and the company's model number (39). The L-39-1 flew for the first time on April 23, 1946. Both aircraft tested a series of leading edge slat configurations of different designs. L-39-1 went to the NACA for continuing flight tests, whereas L-39-2 remained at Bell. L-39-2 was later fitted with a completely swept wing of a design planned for the X-2 experimental rocket-powered research aircraft.
Licence:
Public domain
Credit:
U.S. Navy Naval Aviation News February 1961 [1]
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Bell L-39Bell L-39 byl americký experimentální letoun postavený společností Bell Aircraft pro zkoušky šípového křídla. V roce 1946 byly modifikovány dva letouny Bell P-63 Kingcobra a podrobeny sérii testů. Program skončil 26. srpna 1946. .. pokračovat ve čtení