SP-4220 Wingless
Flight: The Lifting Body Story
Drawing showing the evolution of
lifting-body flight vehicles starting with the M2-F1 flown in
1963-1966; "angry machines" M2-F2 and the original HL-10 flown in
1966-67; mature "plow-horse" lifting bodies M2-F3, HL-10 modified,
and X-24A flow in 1968-73; and finally, the "race horse" lifting
bodies Hyper III and X-24B flown in 1970-75 (original drawing by Dale
Reed, digital version by Dryden Graphics Office.)
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