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Friction Characteristic of Steel Skids Equipped with Skegs on a Lakebed SurfaceThe coefficient of friction was determined for steel skids with and without skegs. The addition of a 1.27 centimeter deep skeg caused the coefficient of friction to increase from an average value of .36 to .53, a 47 percent increase over the flat skid. The addition of a .64 centimeter deep skeg increased the friction coefficient from .36 to .46, a 16 percent increase over the flat skid. Comparisons are made with data for similar test conditions obtained during the X-15 program.
Document ID
19800004772
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Sefic, W. J. (NASA Hugh L. Dryden Flight Research Center Edwards, CA, United States)
Date Acquired
September 4, 2013
Publication Date
December 1, 1979
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
H-1111
NASA-TM-81347
Accession Number
80N13027
Funding Number(s)
PROJECT: RTOP 533-03-14
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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