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cyclone dust collector

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Forum topic by Karda posted 09-14-2021 05:32 AM 255 views 0 times favorited 11 replies Add to Favorites Watch
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Karda

3344 posts in 1762 days


09-14-2021 05:32 AM

I made a cyclone dust collector out of a 5 gallon bucket and it works but it whistles awful any ideas what it might be I checked for leaks but can’t find any. I am attaching the bucket to my shop vac and have a 10 ft pick up hose. The noise stops when I remove the pick up hose. Any help will be appreciated thanks


11 replies so far

View therealSteveN's profile

therealSteveN

8609 posts in 1783 days


#1 posted 09-14-2021 05:43 AM


The noise stops when I remove the pick up hose. Any help will be appreciated thanks

- Karda

Hole in the hose, or the connection isn’t tight.

-- Think safe, be safe

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Karda

3344 posts in 1762 days


#2 posted 09-14-2021 05:52 AM

never thought about a hole in the hose I’ll check that it is a used hose I picked up thanks Mike

View EBpenguy's profile

EBpenguy

15 posts in 2759 days


#3 posted 09-14-2021 01:19 PM

It might be that the long hose is causing to much resistance to the air flow due to the turbulence induced by the hose. If so, the whistling might be any possible opening in the spackle bucket flange seal drawing air. Each foot of hose causes air turbulence, and therefore resistance to flow of the air. Collapsible or ridged hose increases the turbulence versus a smooth wall hose. Your vacuum incoming CFM might be just overwhelming the delivery capacity of the bucket with the long hose attached. The resistance goes away when you remove the hose, and so does the whistle! You might need a slight bypass valve (hole) to allow more air to enter the bucket to augment the incoming air through the hose, just need to find the sweet spot where it doesn’t reduce the suction.

-- Kevin - making shavings when ever I can!

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JohnDon

180 posts in 2378 days


#4 posted 09-15-2021 01:09 AM

I’d check the lid seal- sometimes the gaskets can get a little wonky, and replacement O-rings are easy to get.

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Karda

3344 posts in 1762 days


#5 posted 09-15-2021 03:10 AM

this bucket and lid are brand new from home depot. one of the fittings isn’t glued in, can I use super glue, I don’t wan’t to get PVC cement it will go to waste. I cut the hose down but it still whistles

View Fred Hargis's profile

Fred Hargis

7177 posts in 3702 days


#6 posted 09-15-2021 10:26 AM

Try using caulk as a seal (silicone).

-- Our village hasn't lost it's idiot, he was elected to congress.

View AlanWS's profile

AlanWS

157 posts in 4767 days


#7 posted 09-15-2021 01:17 PM

A simple way to close possible leaks is to wrap with “flat twine” – the stretchy plastic film that clings to itself. It seals reasonably well, and is easy to remove.

-- Alan in Wisconsin

View Robert's profile

Robert

4711 posts in 2689 days


#8 posted 09-15-2021 02:23 PM

You could try some screen spline or thin backer rod.

If you can find one with a screw on lid they work much better. I got mine from a pool service guy.

The also make a screw lid combo you can add to it.

-- Everything is a prototype thats why its one of a kind!!

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Lazyman

7784 posts in 2596 days


#9 posted 09-15-2021 02:33 PM

If it is the lid seal, suction usually pulls it tight. I would think that it is where the PVC goes through the lid or possibly the hose is not a tight fit into the PVC. Some sort of caulk is the best option for sealing the fittings but a hot glue gun might work if you don’t want to buy and potentially waste it. Other types of flexible glues would work too. For the hose, try wrapping a piece of tape around the nozzle to make it a tighter fit.

I am curious why the outlet is smaller? That constriction might reduce the suction.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

View therealSteveN's profile

therealSteveN

8609 posts in 1783 days


#10 posted 09-15-2021 03:58 PM



Try using caulk as a seal (silicone).

- Fred Hargis

It works very well, and if you do need to break the system apart it’s doable, some of the glues won’t allow for that without breakage.

-- Think safe, be safe

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Karda

3344 posts in 1762 days


#11 posted 09-15-2021 07:45 PM

thanks for the sealing suggestions, the out let just looks bigger it has a reducer in it, that is the joint I need to glue I’ll seal the others as well. the vacume hose is 1.5” but the attachment end is 1.25. I am going to sewe if I can find a conector that will replace the hose then I will make a short hose to the bucket

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