NASA NTRS · 19850000365
Measuring Perimeters of Large Round Objects
Abstract
Perimeters of large objects of approximately circular cross section determined indirectly through radius measurements by any of several proposed methods. Methods reduce errors introduced by wheel moved around perimeter and counting wheel turns: Surface irregularities and variations in friction and contact pressure seriously affect accuracy and repeatability of wheel measurements. Measurement concept applicable to such other large bodies as aircraft fuselages and generator rotors.
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Dickinson, C. B.. 1986-01-01. Measuring Perimeters of Large Round Objects. https://ntrs.nasa.gov/citations/19850000365
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