mini-cyclone shopvac modification

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Project by mreza posted 1721 days ago 22866 views 94 times favorited 19 comments Add to Favorites Watch

This is a project I built a while ago but didn’t post here.
After getting tired of cleaning the filter on my shop-vac and also to see how easy it would be to build a full size big one, I decided to add a cyclone to my shop-vac (using Bill Pentz plans). Installed it on my Ridgid vaccume.

This thing really SUCKS!! and I mean it in a good way :-)
After using it for a while and filling the bucket a few times there is very little dust in the filter compartment.
A very worthy upgrade!

19 comments so far

View Nicholas Dillon's profile

Nicholas Dillon

33 posts in 1857 days

#1 posted 1721 days ago

This is what I need. Can you post a link to the plans.

-- My workshop is a 8 x 8 shed! No Joke!

View Abe Low's profile

Abe Low

111 posts in 2471 days

#2 posted 1721 days ago

You can find the plans by going to You will find a wealth of info there to include a toxicity index for many kinds of wood.

-- Abe Low, Fine furniture, Sacramento, CA

View Ken90712's profile


14878 posts in 1814 days

#3 posted 1721 days ago

Nice, I have a cyclone and need to mount it to the vac so they stay together.

-- Ken, "Everyday above ground is a good day!"

View DannyBoy's profile


521 posts in 2491 days

#4 posted 1721 days ago

Great work!

-- He said wood...

View jcoulam's profile


52 posts in 2026 days

#5 posted 1721 days ago

So cool! I’ve been trying to figure out how to do something like that.

Thanks for posting your design.

-- Jeff Coulam, Lakeway Texas

View spaids's profile


699 posts in 2319 days

#6 posted 1721 days ago

I bought a shop vac cyclone from clearvue I can’t speak highly enough of those guys. The cyclones works great and the customer service is OUTSTANDING. I broke mine and went on to their forum to ask about the best glue to use to fix it. The owner was monitoring the site and just sent me a new one. He told me how to fix my old one and said I could fix it and have two of them if I wanted or I could throw it out. He didn’t care what I did with the old one. I said it was my fault that it broke but he didn’t care. He said he didn’t believe that I should have been able to break it and wanted me to have a new one. I paid NOTHING for the replacement. This wasn’t during the first 30 days or anything either.

-- Wipe the blood stains from your blade before coming in.--

View spaids's profile


699 posts in 2319 days

#7 posted 1721 days ago

oh and yours is freakin awesome by the way. I like how you use the shop vac bucket. Nice.

-- Wipe the blood stains from your blade before coming in.--

View JJohnston's profile


1577 posts in 1917 days

#8 posted 1721 days ago

Pretty clever, but is it top-heavy?

-- "Sorry I'm late. Somebody tampered with my brakes." "You should have been early, then."

View mreza's profile


70 posts in 2154 days

#9 posted 1721 days ago

thanks for the comments.

The cyclone has a ramp inside (will try to post a photo later). It’s basically a scaled
down version of the Pentz design. It’s about 6” in diam.

As for top heavy: it is top heavy BUT the center of gravity is inside the bucket, also
the location of the hose connection means you pull it to the opposite side of the motor, so not likely to tip over (at least has not happened to me).

View a1Jim's profile


112010 posts in 2202 days

#10 posted 1721 days ago

This looks great , If I have the funds to purchase instead of building I do, but I admire folks who take the time and effort to build there own equipment .

-- Custom furniture

View ChesapeakeBob's profile


341 posts in 2108 days

#11 posted 1721 days ago


-- Chesapeake Bob, Southern Maryland

View Willow's profile


18 posts in 1733 days

#12 posted 1720 days ago

Can anyone say R2D2? This is the most interesting cyclone I have seen yet!

View WoodTookSoLong's profile


30 posts in 1774 days

#13 posted 1720 days ago

Wow, that’s intense. Sweet build!

-- Ben

View Dennisgrosen's profile


10850 posts in 1740 days

#14 posted 1719 days ago

I like the way you build two unit´s together and sawe space I have put on my faveritlist so even that I seen other´s here this will remember me how to use an old industri wac in my celler just wayting for a project like this


View RexMcKinnon's profile


2593 posts in 1820 days

#15 posted 1718 days ago

WOW that’s great. Added to me favorites

-- If all you have is a hammer, everything looks like a nail!

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