Pump Impellor Unknown

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  • November 29, 2023 at 9:23 pm #282904
    joecb
    Participant

      US Member

      Hello all, while pawing through my stash of parts I came across this water pump impellor with no ID. Anyone recognize it? I checked the “Mumbles” handy reference chart and nothing with 12 vanes comes up. Here is the info… diameter 1.615, thickness .570, bore .441 with two key-ways.  I suspect its metric for a foreign motor, as the imperial dementions figure at 41 mm, 14.5mm and 11mm.

      Thanks for looking..

      Joe B

      November 30, 2023 at 2:33 am #282912
      Mumbles
      Participant

        Volvo and others use similar looking impellers but the two pin grooves in it make it look like it comes out of the Scott-Atwater camp. Not sure.

        November 30, 2023 at 10:57 am #282917
        joecb
        Participant

          US Member

          Eureka, I believe that we have it…looks like a Scott Atwater 3785-5100 (Sieara 18-3010) 5, 7.5, 10 HP 1954 -58.  If you are looking for spending an enjoyable / educational evening in the wonderful world of water pump impellers… go to E-Bay and start punching in “impeller – 30XX ” run random numbers and see what comes up. Many of the sellers will show actual dimensions on their products if you open their posting. Its nutz… there must be a zillion different size pump impellers…. engineers with nothing better to do ??

          Joe B

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