Reply To: Impeller fab – if you had your druthers

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March 11, 2020 at 4:34 pm #197153
Mumbles
Participant

    It’s probably easier to resize the bore than shave the vanes. I have thinned impellers before by using a belt sander and constantly checking the thickness with a pair of digital calipers. The bore can be opened up a bit with a sanding drum.