Impellor ?
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Impellor ?

  1. #1
    Senior Member Widetrack's Avatar
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    Default Impellor ?

    I was wondering if a AAA impellor is the same as a 9.5 or is it different size? What is the difference?


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  3. #2
    B1 Racing cs19's Avatar
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    Default

    If you measure the large OD of the impeller yeah it would be a 3A but there is typically an angle change at A and above and this has an effect on the load. For example you can run a big impeller in a berkeley style bowl that is only bored to 9.125 so the shroud is still small so it fits in the bowl but it could have a shallow angle machined on the exit side that can make it work like a large impeller. When you get into the larger cuts you have to look at all this to figure the cut size.
    Last edited by cs19; 03-10-2012 at 11:55 AM.
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