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Originally Posted by sswee
A 8" wheel at 3450 RPM turns 5131 SFPM
A 10" wheel at 1750 RPM turns 4581 SFPM
A 12" wheel at 1750 RPM turns 5497 SFPM
SS
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I'm confused now I though it was wheel size times 3.14 times RPM divided by 12 = SFPM. And your looking for 6000 to 8000 ?
The 10" & 12" come out to yours but I'm getting 7222 SFPM on the 8" wheel @3450