Bell X-1 Research Model on Single Support Strut in 7 x 10 Foot Wind Tunnel

Modified Bell X-1 model pioneered variable-sweep studies in 1947.  Photograph published in Sixty Years of Aeronautical Research 1917-1977 By David A. Anderton. A NASA publication, page 52.

Modified Bell X-1 model pioneered variable-sweep studies in 1947. Photograph published in Sixty Years of Aeronautical Research 1917-1977 By David A. Anderton. A NASA publication, page 52.