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Exploratory investigation of the effectiveness of biplane wings with large-chord double slotted flaps in redirecting a propeller slipstream downward for vertical take-offResults are presented from static-force tests on biplane wings with large-chord double slotted flaps which turn the slipstream of a single counter rotating propeller downward for vertical take-off. The investigation provided information on the effect of chord length, flap deflection, propeller position, end plates, fuselage, and ground proximity on the efficiency of the wing system in turning the propeller slipstream.
Document ID
19930084546
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Kirby, Robert H
Date Acquired
August 16, 2013
Publication Date
October 1, 1956
Report/Patent Number
NACA-TN-3800
Accession Number
93R13836
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
HIGH-LIFT DEVICES - COMPLETE WINGS
AIRPLANES - PERFORMANCE
SLIPSTREAM - PROPELLERS
BIPLANES AND TRIPLANES

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