This week, Aviation Week publishes two editions. On the far left cover, a 13-ft.-span dynamically scaled model of Boeing's Sugar truss-braced-wing airliner concept undergoes testing at the Transonic Dynamic Tunnel at the NASA Langley Research Center, Hampton, Va. NASA photo by Sandie Gibbs. Tests will confirm whether the wing weight is low enough to realize the fuel savings promised by the drag reduction that is considered possible with high-aspect-ratio wings (page 40). Elsewhere in both ...


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