Reply by Redoak49

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Posted on Calculating CFM and Static Pressure.... Confused

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3524 posts in 2133 days

#1 posted 10-31-2016 07:29 PM

IMHO the Grizzly fan curve for a 1.5 hp cyclone is overly optimistic. I base this on test results that Wood magazine did testing smaller cyclones. I think the article was in December 2003 and titled Twister Tests. To get the results you are looking for I think t

My experience is that companies typically are optimistic with the performance curves. With the cyclone I purchased I found the Oneida data to be 10-15% higher than what I measured. I think you will have much less biased information from magazines which do testing like Wood Magazine. Other sources are people who do actual testing with good instruments.

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