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Wind Tunnel Investigation of the Effects of Slot Shape and Flap Location on the Characteristics of a Low-Drag Airfoil Equipped with a 0.25-Chord Slotted FlapTests were conducted at dynamic pressure of 50 lb per square foot with lift drag and pitch moment measurements throughout useful angle of attack range for constant flap deflection and position of a low-drag airfoil. Two slots were investigated and practical flap paths were selected for each Slot shape had a negligible effect on the maximum lift coefficient flap deflected, the rounded-entry slot had lower profile drag.
Document ID
19930092810
Acquisition Source
Legacy CDMS
Document Type
Other - NACA Wartime Report
External Source(s)
hdl:100.2/ADA800644
Authors
Weisman, Yale (National Advisory Committee for Aeronautics. Ames Aeronautical Lab. Moffett Field, CA, United States)
Holtzclaw, Ralph W. (National Advisory Committee for Aeronautics. Ames Aeronautical Lab. Moffett Field, CA, United States)
Date Acquired
September 6, 2013
Publication Date
December 28, 1944
Subject Category
Aerodynamics
Report/Patent Number
NACA-MR-A4L28
NACA-WR-A-80
Report Number: NACA-MR-A4L28
Report Number: NACA-WR-A-80
Accession Number
93R22100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
WIND TUNNEL TESTS - AAL - (10'X 7')
WING SLOTS & FLAPS, SLOTTED
AILERONS, DROOPED
WING FLAPS, SLOTTED - POSITION
AIRFOILS - NACA 66,2-216 - CHAR , MOMENTS & ORDINATES-LOW-DRAG(WING SLOTS & FLAP

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