NASA-Boeing Buffet Tests Take TTBW A Step Closer To Reality

NASA Ames Research Center wind tunnel
Moving to a semispan model allowed a larger scale (9%) for high-speed buffet testing in the NASA Ames 11-ft. transonic tunnel.
Credit: Dominic Hart/NASA
As Boeing prepares to bid its ultraefficient transonic truss-braced wing design for NASA’s sustainable flight demonstrator X-plane contest later this year, tests are focusing on further maturing the concept and reducing risk. Targeting a step-change reduction in fuel burn of up to 10% compared with...

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