Hydraulic Pump Sizing: Difference between revisions
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*With a pump larger than .677, the 5000 lb gross weight LifeTrac begins to stall going up steep inclines. | *With a pump larger than .677, the 5000 lb gross weight LifeTrac begins to stall going up steep inclines. | ||
*The .976 cu in pump drives [https://www.surpluscenter.com/item.asp?catname=&qty=1&item=9-7073-150 this motor] only up to 1730 rpm in a test run with a 27 hp Power Cube, so I got a smaller motor - [https://www.surpluscenter.com/item.asp?item=9-7073-125&catname=] | *The .976 cu in pump drives [https://www.surpluscenter.com/item.asp?catname=&qty=1&item=9-7073-150 this motor] only up to 1730 rpm in a test run with a 27 hp Power Cube, so I got a smaller motor - [https://www.surpluscenter.com/item.asp?item=9-7073-125&catname=] - in order to drive an 1800 rpm 3-phase generator. | ||
Revision as of 21:43, 2 June 2011
- LifeTrac II uses a .677 cu in pump for both 18 hp Power Cubes
- LifeTrac III uses a .976 cu in pump for the 27 hp Power Cube
Notes:
- With a pump larger than .677, the 5000 lb gross weight LifeTrac begins to stall going up steep inclines.
- The .976 cu in pump drives this motor only up to 1730 rpm in a test run with a 27 hp Power Cube, so I got a smaller motor - [1] - in order to drive an 1800 rpm 3-phase generator.