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Over-the-Wing Propeller Reduces Wing DragAirflow favorably altered if propeller placed above and behind wing. Relocating propeller induces flow over wing airfoil leading edge, which produces leading-edge suction forces not usually attainable by wing in free-stream flow. Concept reduced drag significantly on aircraft model in 12-foot (3.7-meter) wind tunnel. Relocation also helps to reduce cabin noise.
Document ID
19840000328
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Johnson, J. L., Jr. (Kentron International, Inc.)
White, R.
Date Acquired
August 12, 2013
Publication Date
April 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 4
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LAR-13134
ISSN: 0145-319X
Report Number: LAR-13134
Accession Number
84B10328
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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