Reply by EarlS

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Posted on Cyclone confusion

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3091 posts in 2857 days

#1 posted 08-18-2019 03:05 PM

For what you will likely spend having the sheet metal rolled, your time, etc. IMO you would be money, time, and confusion ahead to simply by the metal version of the Oneida 5” or 6” Super dust Deputy.

As for sizing, a 6” main will allow you to use all of the cfm the blower provides and minimize pressure loss in the duct work. Reduce to 5” on your drops to the equipment and then reduce to the dust port size on the equipment (4” usually).

I just bought a Delta 50-850 (1.5 HP, 1200 cfm, 11” WC) that I intend to retrofit with a filter cartridge, 6” SDD, and 6” mains. I also found a YouTube video where the guy also took a bunch of cfm readings along the way. Being an engineer, I’m going to get an anemometer and maybe a manometer and do the same thing he did and document the performance.

-- Earl "I'm a pessamist - generally that increases the chance that things will turn out better than expected"

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