NASA NTRS · 19680000030
Flare angles measured with ball gage
Abstract
Precision tungsten carbide balls measure the internal angle of flared joints. Measurements from small and large balls in the flare throat to an external reference point are made. The difference in distances and diameters determine the average slope of the flare between the points of ball contact.
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Cleghorn, D., Wall, W. A.. 1968-05-01. Flare angles measured with ball gage. https://ntrs.nasa.gov/citations/19680000030
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