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Forum topic by punk posted 541 days ago 463 views 0 times favorited 5 replies Add to Favorites Watch
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punk

142 posts in 1017 days


541 days ago

Topic tags/keywords: question

I built a barrel type separator works good seem to lost a lot of power seal the lid good is there too much volume or is the barrel to bake used a 55 gallon drum tight barrel without the barrel there is twice as much sucking power, use store-bought connectors for the top of the barrel done everything just spec. Use 4 inch PVC for all my runs all joints are tight waist gates on all machines just seems without the separator it works so much better can somebody tell me what my problem is. Thank you very much norm

-- Punk in PA


5 replies so far

View DIYaholic's profile

DIYaholic

12942 posts in 1276 days


#1 posted 541 days ago

More info & pictures are needed.

How many HP is the DC?
How long are the runs?
Did you use 90 or 45 degree bends?
How much flex hose is used?
How many tools/machines are used at one time?

Pictures are the MOST helpful, in trying to help you!!!

These things would need to be known, before qualified help can be offered.

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procratination a bad thing?

View Fred Hargis's profile

Fred Hargis

1646 posts in 1094 days


#2 posted 541 days ago

Volume of the drum can’t be the problem. Separators introduce a lot of drag (static pressure) to a system, that’s why cyclones usually have larger motors and impellers. In any case, you might check the drum itself for leaks, but if the drum or the lid was leaking, your filters would clog fairly quickly. You didn’t mention what DC you have, but I suspect you may need a little more oomph for your system. Also, 4” pvc will only move about 400 CFM (+/-), so introducing additional drag (the separator) may have been enough to push it to the edge.

-- I long for the days when Coke was a cola, and a joint was a bad place to be (Merle Haggard)

View StumpyNubs's profile

StumpyNubs

6117 posts in 1401 days


#3 posted 541 days ago

Like Fred said, separators cost you power. That doesn’t mean they aren’t worth using. You just have to decide if the trade off is worth it to you.

-- It's the best woodworking show since the invention of wood... New episodes at: http://www.stumpynubs.com

View kizerpea's profile

kizerpea

746 posts in 968 days


#4 posted 541 days ago

Punk..need more info…what size dust collector are you using? mine is 2hp jet…built the whole system..cyclone an all….in my projects….one point to rember..collectors moves a volume of air..not suction power…smaller pipe means less volume..i have 35ft of 6” pipe with the planer at the very end of the run…have tryed my best to choke up the system just to see if i could…haven’t been able to yet….post a pic of ur system that would help alot

-- IF YOUR NOT MAKING DUST...YOU ARE COLLECTING IT! SOUTH CAROLINA.

View punk's profile

punk

142 posts in 1017 days


#5 posted 540 days ago

want to thank youall for your reply’s,its a 1 hp. older jet it don’t show eany ratings the propeller is apx 12inch i used 4 in pvc apx 8 ft one way and 15 ft the other three drops the one 5 the other 2 or 3 ft of flex on each irun one thing at a time, i have a few things want to try i will get some pitcures when i get my camera back i think its like stumpy said i haft to deside if its worth it i need to keep my i out for a little biger and newer one but i do appreciate the coments i will keep youall posted thak you all very much and have a good one. punk ps. i realy like your site stumpy

-- Punk in PA

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