1953•NASA STI Repository (National Aeronautics and Space Administration)Requires access
Transonic Flight Measurement of the Aerodynamic Load on the Extended Slat of the Douglas D-558-II Research Airplane
James R Peele
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Abstract
Report presenting a flight investigation of the aerodynamic loads of a partial-span extended leading-edge slat on the 35-degree sweptback wing of the Douglas D-558-II research airplane. The slat normal-force coefficient was found to increase with airplane normal-force coefficient until peak slat normal-force-coefficient was reached at approximately 2.2 to 2.4.