From:[email protected] <[email protected]>
On Behalf Of mark thomas Sent: Wednesday, July 21, 2021 9:06 AM To:[email protected] Subject: Re: Electrical question[FOG] Finally found and purchased my Kundig wide belt sander
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Joe, your CFM calcs are mistaken.
> For a 7¡± port:?4500 ft per min velocity
equates to 4810.56 cu ft/ min
7" diameter has area of pi*3.5^2 = 38.5 square inches, divided by 144 = .267 square feet.
0.267 sq ft * 4500 feet/minute velocity == 1,200 CFM