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| Dry sump pump build |
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| jones:
Thanks V7 guy :) I haven't had much time over the last few weeks to work on the pump, uni work is really starting to mount up :bang: I've machined the final block to size and drilled the 4 outer holes in each of the blocks for bolting them together. I've also made a jig to hold the gears so I can ream them 1/2" (when my reamer arrives). As for clearances I really have no idea. I was going to aim for 1.501" diameter for the 1.500" gears and try to get the width within a thou. as well. As the aluminium expands the clearances will increase so I don't want to have too much slop in the system, though oil is fairly viscous so I think it would still pump even with much looser clearances. If anyone has any input on clearances I'm all ears :) |
| Pete.:
I went with 2 thou on the lobes and on the side clearance but my pump is just a scavenge so not pressure-critical. |
| jones:
Thanks Pete, this pump is only scavenge as well. I'm using the stock oil pump for pressure and feeding it straight from the dry sump tank. |
| andre:
Nice project any updates also where about in Australia are you from? |
| jones:
Hi Andre, I'm in Sydney but currently in the middle of exams and then moving house so no real updates on the pump. I enlarged the holes in the gears from 12.2mm to 12.7mm (1/2") but that's all really. I should be set up at the new place by the 16th or so, so after that it'll be straight back into it :) The next step is to put a keyway in two of the gears using the shaper. |
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