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playground:playground [2024/04/10 21:34] hippysmack [Testing Materials] |
playground:playground [2024/04/10 23:06] hippysmack [Appendix] |
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| It is well known that gear pump output, under controlled conditions, correlates linearly with pump speed, so pump output can be extrapolated to higher operation speeds with good confidence. \\ | It is well known that gear pump output, under controlled conditions, correlates linearly with pump speed, so pump output can be extrapolated to higher operation speeds with good confidence. \\ | ||
| - | The data table and plot below show select results from pump tests. The -72 gear pump tested here had impressive output, since the pump volume at 2500 rpm was greater than 1.3 qt/min. Thus, there is certainly a generous amount of oil going through any KH/XL engine which would have similar, if not identical, feed gears. To add a bit of historical context here, the subsequent XL gerotor pumps employed from 1977 forward, pump ~ 50% higher volume than the -72 gear pump (see HippySmack's data table in Appendix for comparison). | + | The data table and plot below show select results from pump tests. The -72 gear pump tested here had impressive output, since the pump volume at 2500 rpm was greater than 1.3 qt/min. Thus, there is certainly a generous amount of oil going through any KH/XL engine which would have similar, if not identical, feed gears. To add a bit of historical context here, the subsequent XL gerotor pumps employed from 1977-1985 pump slightly less and 1986-up versions pump ~ 50% higher volumes than the -72 gear pump (see HippySmack's data table in Appendix for comparison). |
| {{:techtalk:ref:oil:1972_oil_pump_testing_-_flow_rates_by_kurt_c_melancon.png?direct&800|}} ((chart provided by Kurt Melancon)) \\ | {{:techtalk:ref:oil:1972_oil_pump_testing_-_flow_rates_by_kurt_c_melancon.png?direct&800|}} ((chart provided by Kurt Melancon)) \\ | ||
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| Below is a chart from testing done by Hippysmack showing the volume of oil delivered by the various gerotor pumps (1977-up). \\ | Below is a chart from testing done by Hippysmack showing the volume of oil delivered by the various gerotor pumps (1977-up). \\ | ||
| Real world testing results were just a tad lower than the charted measurements. The initial results were quantified in gallons/minute. \\ | Real world testing results were just a tad lower than the charted measurements. The initial results were quantified in gallons/minute. \\ | ||
| - | The chart was converted to quarts/minute. ((chart provided by Kurt Melancon)) \\ | + | The chart below was converted to quarts/minute. ((chart provided by Kurt Melancon)) \\ |
| {{:techtalk:ref:oil:1972_oil_pump_testing_-_1977-up_comparisons_by_kurt_c_melancon.png?direct&800|}} \\ | {{:techtalk:ref:oil:1972_oil_pump_testing_-_1977-up_comparisons_by_kurt_c_melancon.png?direct&800|}} \\ | ||
