Dust Collector (this thing is great)

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Project by RMP posted 934 days ago 9606 views 134 times favorited 28 comments Add to Favorites Watch

Hey LJ’s, I just had to share this with you guys. I’ve been in need of a dust collector for a while but just don’t have the money or space for one of those big units. I’ve been using a 3 hp shop vac but it’s getting to much dust in the filter. So I searched around and found one online similar to this one. So I can’t take credit for this design. It’s just a 5 gal bucket with 2 pieces of 5/8” particle board. The top has a rabbit cut into it so it fits in the bucket. The lower baffle is 3 1/2” deep with a 1 1/4” section removed approx. 2/3 of the circumference. It’s held together with 4, 5/8” dowels. The fittings are PVC 2”, which are held in with apoxy. The center one is used for the return to the shop vac and the side port , which is a 90 degree fitting, is the suction. I used an old pool hose, well because that’s all I had. But it works. As you can see in the pictures everything ended up in the bucket and very ,very little in the shop vac. The cost for this project ,0$. And I saved my shop vac. It took me about an hour or two to build the whole thing and it was well worth it. It really surprised me how well this thing works. If any of you guys out there have limited space in your shop and don’t want to spend a bunch of money, this is a great way to go. I hope this helps someone. Thanks for looking. RMP…........

28 comments so far

View SuburbanDon's profile


482 posts in 1621 days

#1 posted 934 days ago

Interesting idea.

-- --- Measure twice, mis-cut, start over, repeat ---

View Woodbridge's profile


2652 posts in 1045 days

#2 posted 934 days ago

Thanks for the great idea. I was thinking of buying one of thiose cyclone things, but it looks quite simple to make on. Thanks.

-- Peter, Woodbridge, Ontario

View a1Jim's profile


112011 posts in 2204 days

#3 posted 934 days ago

Nice job ,glad it works so well.

-- Custom furniture

View woodshaver's profile


2748 posts in 1980 days

#4 posted 934 days ago

Well done! It’s nice when someting goes right!

-- Tony C , My high school shop teacher said "You can do it"... Now I can't stop!

View dubsaloon's profile


619 posts in 1421 days

#5 posted 934 days ago

Seems like a super Idea to save your shop vac.

-- The works of evil people are not the problem. It is the "Good" people standing by and watching not speaking up. Dubsaloon

View Steve187's profile


31 posts in 954 days

#6 posted 934 days ago

Alright! Now I know how to build a cyclone for my shop vac. Thanks for posting!!!

-- Steve (North Louisiana, near Ruston)

View judgesawdust's profile


36 posts in 1250 days

#7 posted 934 days ago

Looks like a “Thein” tophat to me! Good job. And thanks to Phil Thein for giving us all this design and the “how-to’s” to build!

-- If you lend someone $20 and never see that person again, it was probably a wise investment.

View GlennsGrandson's profile


432 posts in 936 days

#8 posted 934 days ago

Wonderful! I definitely need one of these, it’s on my list, and probably should be on the top of it.

The concept it probably fairly elementary but I’m not sure I get it, if anyone knows could you explain it to me?


-- Grant - S/N Dakota

View JohnMeeley's profile


253 posts in 960 days

#9 posted 934 days ago

GlennsGrandson- Search Thein on this site and you will get as much info as you care to digest.

-- "The greatest pleasure in life is doing what others say you cannot do."-Walter Bagehot

View Simon2822's profile


59 posts in 1042 days

#10 posted 934 days ago

Great Idea, I’ll be making one of those

-- Failure is always an option

View Tootles's profile


683 posts in 1129 days

#11 posted 934 days ago

Those are good photos that we can all work off. Thanks for posting.

-- I may have lost my marbles, but I still have my love of woodworking

View Monte Pittman's profile

Monte Pittman

13741 posts in 965 days

#12 posted 934 days ago

i’ll use a garbage can instead of bucket, but it is a must!

-- Mother Nature created it, I just assemble it. - It's not ability that we often lack, but the patience to use our ability

View sedcokid's profile


2667 posts in 2226 days

#13 posted 934 days ago

Thanks for the post, I will try it! I have been wanting something to help with all the dust….

Thanks for sharing

-- Chuck Emery, Michigan,

View ChrisMc45's profile


94 posts in 1487 days

#14 posted 934 days ago

Cyclonic separator, keep most of the dust out of the shop vac. I especially like the baffle to prevent (most of) the dust from making the u-turn.

View bondogaposis's profile


2480 posts in 978 days

#15 posted 934 days ago

Nice job on the Thien separator.

-- Bondo Gaposis

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