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A twin engine delta-wing tactical airplane concept developed by Boeing in conjunction with the Air Force sponsored air-to-ground (ATS) studies.


This Mach 2.2 supercruiser airplane, Model 987-350, is characterized by its underwing propulsion units incorporating half-round axisymmetric inlets with vectoring two-dimensional

exhaust nozzles and canard trim system. The 987-350 wind tunnel model i s a 10.5% scale adaption of the twin engine ATS supercruiser airplane with a wing span of 37.8 inches and a body length of 100.5 inches. The variable wing twist and camber design utilized for the Mach 2.2 prototype airplane was incorporated into the model wing and canard design.


Source:

AIAA-83-1224 STOL Wind Tunnel Test Results for a Tactical Supercruiser


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