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Forum topic by WoodGator posted 06-02-2017 01:28 PM 467 views 0 times favorited 9 replies Add to Favorites Watch
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WoodGator

11 posts in 200 days


06-02-2017 01:28 PM

I hope am posting this in the right place. Am building a small dc out of a cyclone vac am using a shop vac now but going to try using the motor off the vac would a shop vac filter the blue hepa work on the ex of the blower going from the inside out thinking stacking them?This is what I have built so far


9 replies so far

View Gart's profile

Gart

26 posts in 1251 days


#1 posted 06-02-2017 09:02 PM

I am not trying to be rude but your sentence that starts with “Am building” and ends at “them this is” does not make any sense to me at all.

If there is a question in there somewhere, please use a question mark.

If it is only one sentence, you lost me with it.

View jonah's profile

jonah

1447 posts in 3133 days


#2 posted 06-02-2017 09:16 PM

Try using pronouns, prepositions, and punctuation. They help other people understand you.

View htl's profile

htl

3134 posts in 994 days


#3 posted 06-02-2017 10:12 PM

Love your shop!
Have built 3 different cyclones and have thought many times of trying to build one something like your.

Be kind to one of our new members, if it wasn’t for the spell checker I wouldn’t be able to post here.
Welcome to LJ, hope to see some more of your project and ideas.

-- There's a hundred ways to do anything, alot depends on the tools at hand.

View Loren's profile (online now)

Loren

9610 posts in 3482 days


#4 posted 06-02-2017 10:17 PM

There was a guy on here who has Parkinson’s
and it affected his typing skills.

In any case, I don’t understand the question
either.

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WoodGator

11 posts in 200 days


#5 posted 06-02-2017 10:27 PM

I am sorry about my grammar. What I am trying find out if a shop vac air filter will work in reverse flow. Want to build a filter on the exhaust of a blower?

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Loren

9610 posts in 3482 days


#6 posted 06-02-2017 10:53 PM

My cyclone uses a diesel truck filter on the
blower exhaust. Considering the air volume
of a shop vac is low compared to a larger
blower, I would think if you stayed with the
shop vac blower a shop vac filter would provide
adequate surface area.

Filters are basically folded paper that’s air-permeable
but catches dust in the folds. The diesel filter
is like an oversized air filter in a shop vac.

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WoodGator

11 posts in 200 days


#7 posted 06-07-2017 09:51 PM

I have the DC working with the vac blower that the cyclone came off. seams to move more air than the shop vac
and is much quieter. Hear are a couple pic’s of it need to build a cart for it. I am going to change the filter to two shop vac hepa shop vac filters .

View JBrow's profile

JBrow

1273 posts in 755 days


#8 posted 06-08-2017 12:56 PM

WoodGator,

Some time ago I recall reading that HEPA filters are designed with a specific direction of flow through the filter; either inside—> out or outside—> in. This may have something to do with the whether the filter functions by surface filtration or depth filtration. Additionally, Gore CleanStream describes proper cleaning of their shop vac HEPA filters which include rinsing the outside (dirty side) with water. They caution to avoid rinsing (backwashing) the filter on the inside of the filter. All this suggests that inside out air flow on your set up may not be optimum. But perhaps a call to Gore CleanStream can definitively answer your question.

http://www.cleanstream.com/support/contact_us.html

One other note concerning your set-up is that the post-cyclone air, containing unseparated fine dust, will pass through the blower and motor. Over time, dirty air might cause problems with the shop vac motor. In a shop vac’s normal configuration, the air passing through the blower and motor is filtered “clean” air.

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WoodGator

11 posts in 200 days


#9 posted 06-08-2017 01:23 PM

Thanks for the info the cyclone that I am using came of a eurica floor vac. It has two stages. The blower is out of the same vac and ran this way. There is a foam filter in the top of the cyclone. I will call the cleanstream support number today. I can stay with one filter and change the flow.

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