Thread: what's my impeller pitch?
09-12-2007, 11:04 AM #1
- Join Date
- Jul 2006
- grand bend.
what's my impeller pitch?
I put my 13/21 nujet in my impeller guage and here are some photos of the different pitches. It appears that only the last 1/2 inch of the trailing edge has been bent to a 21? I could only spin this impeller to 6950 rpm with a stage II setup. An inch & 1/2 of the trailing edge appears to be approx. a 19 with a sharp bend to 21. Does anybody see it differently? Should I only bend the last 1/2 inch? I'm thinking a 18 or 19 degree trailing edge should put me into the proper rpm range.
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