IMPROVED cyclone dust collection vs Oneida Dust Deputy (2/2) - HNB #10

We modified the simple and easy cyclone separator from our last video adding a Thein style baffle. We put the improved DIY dust collector and the Dust Deputy though a series of tests to see which one performed the best.

[bobcrane]

So what I take from this is that the thein baffle is just as good but simply just needs a larger bucket! Great test and well done. Thank you for this.

[jimaspinii]

Your timer, planning and video editing are VERY MUCH appreciated! Thanks!

[SaintFredrocks]

Thanks for showing me this Thein style. I will make one like this and use it in a 10 or 20 gal round metal garbage can.

[FourbrrlGrabber]

I just LOVE how accurate you are to dissuade the detractors BEFORE they begin !! GREAT JOB !!

[ashokmoghe]

Very good to the point video with fair test conditions. You did a very good job. Keep it up !

[kurtbilinski]

Obviously the other design is going to work better as the bucket fills because the separator is outside of it, and yours shares the same volume. Give yourself the same space above to create something and it'll inherently work much better.

[gsh]

I just got a Dust Deputy and to prevent the bucket from tipping and make sure the vacuum and bucket stayed together to make it easier to move, I built a small plywood cart. Essentially a rectangular box with holes in the top to fit the vacuum and bucket with wheels under it. It's simple and effective.

[csimet]

I know this is an older video, but well done with the tests. It scales to any size Dust Deputy they make. I too toyed with creating my own separator, needing to use a full size metal trash can. I needed 6" hose connections for my Grizzly G0944 dust collector system.

After much research I came to the same conclusions and wound up purchasing the Oneida Super Dust Deputy XL. The main advantage is it utilizes the full capacity of the can it sits on without performance degradation as it fills. The bottom of the DD is just a simple funnel to the can and the can is not part of the cyclone action, just a collection bin. That plus not having to build it from scratch spending time and materials, is why I found it better to just spend the money on the Oneida (it is not cheap - $240). It works great for me.

[dmeenkster]

I have a fair amount of experience with cyclonic separators. One aspect that is often not seen is the importance of the diameter of the cyclone. Separation is achieved in a cyclone by centrifugal force, the smaller the diameter of the cyclone, the faster the cyclonic action, increasing the amount of centrifugal force, and therefore achieving a higher amount of separation. Cyclones are smaller on the bottom to increase the separation force as the solids drop within the cyclone. The difference in density of the materials being separated also has a huge effect on the separation efficiency. Increasing the efficiency of a simple cyclone like the Dust Deputy would best be achieved by utilizing a longer, more exaggerated cyclone chamber, or a second cyclone that is longer and smaller in diameter in series with the first.

[dakaraius]

Compared to my current set up of ZERO dust collection, either of these will be a godsend. I'm certainly not going to worry about a few grams here or there. Both methods beat my broom.

[brucerogers]

I have a thien baffle dust collector that is vented outside and I find that when I quickly vacuum up a pile of sawdust a small amount of the sawdust goes outside. But if I'm vacuuming up stuff at a slower more even pace, the separation efficiency increases. I'm happy with the performance of the thien baffle. Mine is along the lines of the April Wilkerson conversion of a HF dust collector.

[rfmarves]

Good test! What's the difference in suction between using both?

[Hobby-znce]

Did you have your vacuum on full power or adjusted?

[nathanmitchell]

try using a second bucket for the cyclone, this way you can mount it above the collection bucket instead of being inside the bucket, that's why the dust deputy works with the bucket near full, because it does all the work above the lid, really the dust deputy wouldn't save space compared to making your own out of a bucket because it's still tall.

[aztekwarrior]

wish I had made a video, but I used my dust bucket to vac up the dust from a large concrete and cinder block job.. I probably got about 150 lbs of dust, mortar, and small chunks of blocks, and while the filter in the shop vac was pretty dusty, it was still doing a fair job ..next to nothing made it to the vac...

mine just has a vac port on top, and the hose from my old house vac, with its inlet port from the vac cut into the side of the bucket..i screwed it down to a cheap wooden cart from harbor freight, and drilled some holes in the wood to hold atfachments..

also works great on my blast cabinet!

if anyone is thinking about making one, give it a shot! I spent about 12 bucks on my whole setup and it does amazing!

[snarkfinder]

I would like to see a rebuild with your design outside of the bucket. It would mean sealing the outer ring, but with both dust collectors outside, you would have a better comparison.

[SouthpawDavey]

I built a Thein top hat to go on a blue barrel. Works great. Used my old busted vack as the top hat. Saved a fortune in bags.

[randsipe]

Get a bigger container. I use a very rigid sump pump basket that holds about 30 gallons with a Thein baffle. Works great.

[krupchenko]

Очень удачный выбор для размещения результатов измерений - именно там, где отображается логотип канала. Удобно - ты хочешь видеть, что показывают весы, но результат заслонило логотипом. И вместо благодарности автору видео ты чувствуешь смешанные чувства)))

[nc]

Just a thought if you really wanted to make it work when the bucket was fuller. Adding slots ie louvers to the bottom third of the opening in the baffle or just below it. Would reduce or eliminate the saw dust being sucked back up. Since the negative pressure created by the vortex suck it up at an angle that the louvers will prevent. But a cautionary note, if the louvers are to high they will interfere with the flow of the vortex, that would make it worse not better.

BTW, Since I was considering doing the same basic thing to a trash can. (But I was going to use the 1st method you mentioned where baffle with attached an extended center outlet pipe.) So this proved what I suspected already so thx for testing it out. And for small container it would make more sense for most ppl. To add Thein baffle to the top the bucket with a more efficient tangential.