Small Shop / Poor Man's Dust Collection System

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Forum topic by ChesapeakeBob posted 01-11-2010 02:59 AM 5247 views 0 times favorited 2 replies Add to Favorites Watch
View ChesapeakeBob's profile


370 posts in 4490 days

01-11-2010 02:59 AM

Topic tags/keywords: dust collector

Woodworkers all:
Santa brought a new 12 Gal shop vac. I am adding a cyclone type device between the dust pick-up and the shop vac. Because I have a small shopI have decided to go with 2.5” hose . I discovered something really neat yesterday at the local hardrware store. 2.5” dust collection hose fits over 2” PVC pipe! My mind has gone crazy thinking of how I can run PVC from the cyclone to spots in the shop and then with hose, make the hook-ups to my power equipment. I was thinking I could “cap”unused sections of the PVC with PVC caps “friction-fitted.” I think the addition of PVC holds a lot of possibilties. I was thinking of one section of PVC to my workbench, which could also service my tablesaw. Another run of PVC could go to my drill press.

I installed a 2.5” adapter on my Makita table saw yesterday and the “all hose” sytem worked.

Here is my question. I have read that I need to ground the PVC pipe. Do I just run the copper wire along the length of the pipe? Do I need to attach the wire to the pipe with a screw? At the other end, where I do I physically “ground” the end of the wire?

Any and all thoughts are welcome!

-- Chesapeake Bob, Southern Maryland

2 replies so far

View Jeison's profile


968 posts in 4115 days

#1 posted 01-11-2010 03:09 AM

Interested to know this myself, I knew DC pipes needed to be grounded but never looked into it since I never planned on having more than a shop vac, now you’ve got my imagination going lol :)

-- - Jei, Rockford IL - When in doubt, spray it with WD-40 and wrap it with duct tape. The details will attend to themselves.

View WhittleMeThis's profile


125 posts in 4380 days

#2 posted 01-11-2010 03:27 AM

There has been plenty of discussion of fire from PVC in a home shop do a quick search and you will find a ton of info, however here is a great resource on the topic

If you are using a shop vac to your tools you will be limited to direct hook-up if you would like to maintain any CFMs. Runs of low diameter pvc will considerable reduce your CFMs.

A Shop Bag air cleaner with 1HP pulling 500 CFMs is recommend as a direct hook up, I would suspect a shop vac pulls considerable less CFMs.

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