Quote:
Originally Posted by Dessertrunner
For the recod the big book says 100lpm @ 3,000rpm and 200lpm @ 6,000rpm.
I have cut my manifold as you can see from the image the next plan if that doesn't fix the problem will be to put a new pipe inthe centre were the ruler is.
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The restriction appears to be at junction of left and right. I can not see the enlargement you have made making much difference. If you could bring out a pipe in line with the ruler, that would be another story. You will have to explain how you will create the clearance required.
P.S. The fact that a flow has been stated for 6,000 RPM, is surely a sign that cavitation within the pump is unlikely.
Keep at it.
