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H. Ravishankar

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Publications by H. Ravishankar (bibliography)

1989

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Konz, Stephan and Ravishankar, H. (1989): Knurls on Pop Bottle Lids. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 483-485.

“Do knurls improve torque capability? A "pop-bottle" size lid (28 mm diameter, 15 mm high) was varied with six designs: 1) a smooth lid, 2) a lid with 13 knurls/cm, 3) a lid with 7.9 knurls/cm, 4) a lid with 3.9 knurls/cm, 5) a lid with 3.9 knurls/cm but for only 4 mm of height, and 6) a lid with 2 protrusions ("radiator type"). The 18 subjects rotated each lid. Using the”

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