Goober Posted November 19, 2018 Report Share Posted November 19, 2018 I'm still working on the shop and have a question about dust collection. I have a 2HP Grizzly coupled with a Oneida Super dust deputy XL and a Wynn filter. My tools are a 10" cabinet saw, 14" band saw, 12" miter saw, 3HP router W/table, and a 15" planer W/standard knives. Should the main trunk line (approx. 30' on ceiling) be 6" or 4"? There are 5 drops w/blast gates that will be 4". Whatcha thank? Quote Link to comment Share on other sites More sharing options...
fcschoenthal Posted November 19, 2018 Report Share Posted November 19, 2018 Usually, the longer you can go with the biggest pipe will result in the best result. Quote Link to comment Share on other sites More sharing options...
Chet Posted November 19, 2018 Report Share Posted November 19, 2018 1 hour ago, fcschoenthal said: Usually, the longer you can go with the biggest pipe will result in the best result. +1 Quote Link to comment Share on other sites More sharing options...
Chestnut Posted November 19, 2018 Report Share Posted November 19, 2018 I don't know the flow dynamics of that system but a 6" sloped towards the cyclone should be more than enough. 4" is going to choke flow. The number of tools doesn't matter but have a blast gate on each tool and keep every gate close except for the tool your using. Try and only have 1 main trunk, having a the trunk wye and go in various directions will decrease overall efficiency. Your collector is smaller so i'd run 6" as close to the tool as possible. I don't know what you get for flow so 4" verticals might be necessary to lift chips where 6" might be a bit small velocity wise. Best part about 6" is if you feel like you need to step up to a 3hp system you won't have to replace all your ductwork. Quote Link to comment Share on other sites More sharing options...
Jfitz Posted November 19, 2018 Report Share Posted November 19, 2018 If that's the DC I think it is...it fared pretty well in a DC review some years back, performing among the top units of that size when connected with either 4" or 6" duct. I'll +1 what Chestnut said above.....gate on each tool, open only one at a time, and keep a 6" as long as possible with a 4" drop to each tool. Quote Link to comment Share on other sites More sharing options...
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