NASA X-15, Dryden history gallery
Summary
EC88-0180-2 This photo shows the X-15A-2 56-6671 on a research flight with a dummy ramjet engine attached to the bottom of its wedge-shaped vertical tail. One of the experiments planned for the X-15A-2 involved tests of a functional ramjet at speeds above Mach 5. This photo was taken with a dummy ramjet. On this research flight, the X-15A-2 did not carry the two drop tanks used on its Mach 6.7 flight. It also had not yet been covered with an ablative coating. The X-15A-2 made several flights with the dummy ramjet, leading to the record Mach 6.7 flight on October 3, 1967. Delays in producing the operational ramjet, aerodynamic heating damage to the aircraft during the record flight despite the ablative coating, and the end of the X-15 program in 1968 resulted in no flights with the actual ramjet.1967 NASA Photo
NASA Identifier: 343410main_EC88-0180-2
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