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Lent by Langley Research Center
This extremely small model of the XB-70, about the length of your thumb,
was tested at Mach 3.8 in order to determine the sonic boom signature of
the aircraft. In the early 1960s the United States was beginning to look
into the feasibility of a supersonic transport, and sonic booms were a
main concern. The tests this model were used in were designed to
understand the physical aspects of sonic boom propagation from a wind
tunnel model and compare this data to actual flight data. These tests
resulted in improved understanding of sonic booms, improved testing
techniques and improvements in the design of supersonic vehicles.
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