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Dust Collector Design

9521 Views 42 Replies 13 Participants Last post by  Sominus
I haven't been here lately for a number of reasons, most recently I've been going through the hassles of selling my home in TN and buying a new one in Alabama.. The things we do just to be near our grand kids. I am getting a big benefit from the move which has me pretty excited. I will have a large basement located on grade level with one end open to the outside through sliding glass doors. Easy access and a lot of outside light.

But to get to my point, I want to install a dust collector system. This is all very new to me and I'm not sure what I'm planning will work properly. I read the previous posts on this on Routerforums as well as watched a number of videos on YT. See my sketch below. I believe it's fairly typical for the most part. My plan is to use a Harbor-Freight DC along with a Dust Deputy. I also plan on upgrading the DC with a Wynn filter. One of my concerns is the use of 2-1/2" flex hose.

1) Will the 2-1/2" hose be adequate for its intended purpose? The ports on the equipment are 2-1/2" thus the use of 2-1/2" hose.

2) Does anyone else run 2-1/2" hose to their equipment?

3) Would I be better off using 4" flex hose and then reducing down to 2-1/2" at the equipment. Would it make much difference?

4) Any suggestions on what to use to ensure a good seal on the connection of the trash can lid to the trash can?

I'm only showing 4 equipment hook-ups, but will probably add more; one for my miter saw and another for the Rigid oscillating sander.

Any comments, either design or installation, will be greatly appreciated.


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When you are using the 2 1/2” lines you might find it more efficient if you can open up the end of the main tube a bit. Particles are floated on an air stream and the smaller hose starves the main pipe for air volume. The 4” pipe will carry 2.5 times as much air volume as the 2.5 inch pipe will. (Radius of the large pipe squared/ radius of the small pipe squared)

Where in Alabama are you moving?!
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Thanks for the tips Charles! Hoover, just south of Birmingham.
My brother lives just north of Columbiana so shouldn’t be too far from you.
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