Comparison of Spur Gear Efficiency Prediction Methods,
ARMY RESEARCH AND TECHNOLOGY LABS CLEVELAND OH PROPULSION LAB
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The prediction of five spur-gear efficiency calculation methods were compared with three sets of test data generated by different investigators using gear geometries. The prediction methods were those of Anderson and Loewenthal, Buckingham, Chiu, Merritt, and Shipley. The test data were those of Fletcher and Bamborough, Ohlendorf, and Yada. The data and the analysis methods were limited to jet lubricated, ground, spur gears. The data covered a range in pitch-line velocity of 1 to 20 msec200 to 4000 ftmin and K-load factor range of 17 to 1600.