Boeing Truss-Braced Wing
Videos
Boeing Truss-Braced Wing are airliner designs studied by Boeing with braced, high aspect ratio wings.
Model at NASA Ames wind tunnel
Illustration of the Boeing SUGAR Volt concept aircraft
Hurel-Dubois HD.31
Videos
The Hurel-Dubois HD.31, HD.32, and HD.34 were a family of civil aircraft produced in France in the 1950s, based on the high-aspect ratio wing designs of Maurice Hurel.
Boeing Truss-Braced Wing
…Airbus: Wing of Tomorrow Hurel-Dubois HD.31 "Boeing producing battery-powered hybrid plane". Northwest Cable News. August 2, 2010. Retrieved June 18, 2012.{{cite news}}: CS1 maint: deprecated…
The prototype HD.31 demonstrating at Coventry Airport in June 1954
HD.34 survey aircraft of the IGN at its base at Creil airfield in 1967
The prototype HD31 demonstrating at Coventry Airport in June 1954