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Old 8th Apr 2021, 19:57
  #26 (permalink)  
LowObservable
 
Join Date: Jan 2004
Location: Far West Wessex
Posts: 2,555
In October 1948, Boeing did have in hand a design for a four-jet, B-47-size bomber as part of the XB-55 program (This had superseded the four-turboprop mini-Bear design). It had improvements such as a wing thickened towards the root, a variable-incidence stabilizer, and more efficient engines. Two of the engineers in Dayton that weekend were on XB-55. Rather than designing a new airplane, they scaled up the XB-55, making appropriate adjustments for scale effects. The balsa model survived and rests in a case at the Boeing HQ in Chicago.
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