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30 m a second might be necessary with hydro excavation, in fact, I'm watching this video because I'm planning to connect multiple shop vacuums for hydro excavating

multi-stage vacuum. basically one motor with more impellers, coupled to an induction motor. I do happen to have a 12 stage, but it's too expensive to use as an extractor, it runs one of my pipe organs as a blower, extremely quiet

Never considered a dual vac, very interesting idea. For a small shop, this could even be about combining a shop vac built into a work bench as a permanent feature, and an additional mobile shop vac that you use for other things but can be plugged into the same piping if and when you need the additional suction.

DIY Canvac!

good video

That's a decent option but the negatives I see are noise and the shop vacs are going to get their filters clogged pretty quickly without a cyclonic collector that the dust needs to pass through first.

That was a good video, looks like you got some good data out of it too. Did it ruin the dust collector though, that would suck in a bad way cause those things are not cheap. I hope you are doing well, trying to stay busy and safe I hope. Just be sure to take a small break every now and then, you don't want to burn out on your work. Can't wait to see what you have in store next, see you then!😁

I would think the leakage around the blast gates would have a larger effect then location.

Cute and love the music

Hilarious 😂 as always, entertaining and informative

I'm pulling 40 get a shitl se 122 shop vac.. its amazing

load recovery would change.. meaning on 10 foot hose you would have 40 cfm.. now you could get 40 cfm over 20 foot hose.. just doing the basics here.. good call on the 90's bruh

I have a full sized dust separator (Grizzly 1250 CFM with Oneida Super Dust Deputy XL - 6" main shop line), but had the same essential issue with how to get rid of what it collects. I went with a pair of 20 gallon drums with plenty of capacity, but still permits me to carry it outside to empty. I swap them when needed and no bags to mess with. I looked at a 55 gallon drum, but they are just too big to handle when full... bag or no bag.

That barrel is going to be hard to clean out, you can do it with a 32 gallon trash can. I used the 32 gallon years ago when I had my workshop made life so much easier.

Lol, it's bespoke 😂😂

😂😂 a can cause it's a can, a bag cause it's a bag, a brick cause it's a brick 😂😂 dude you are hilarious! I was thinking, you could throw a couple of magnets in the can too to hold the bag down, just a thought. Love your videos, keep up the great work and stay safe.💯😁

Wood magazine March issue youtube videos. Has a cart set up using a barrel and three separators and two bucket vacs. Love the info. It helps other makers and problem solving with ideas and motivation. God bless and keep thinking outside of the box!!!

Next step: DIY Canvac!

I opted to upgrade to the Kinder model. I do the work that I normally do with all the power equipment that I own and I send the kid out with a broom and a dustpan to clean up the shop. It's what my great grandfather did, my grandfather did and my father as well. Might be nice to use a collector system but the kid is free.

What I want to know is how long a hose can I run from a 2 vac setup and not lose functionality. My shop is a a 2 car garage and moving the vac from tool to tool is a non starter for me. I considered buying a small vac for each tool but if I could run a 25 foot hose from a 2 vac setup that would be great. I might try it.

I think you should have a disclaimer as I'm rather certain running shop vac's in series will overspeed one of the motors and burn it out. I think you should look at Record Power dust extractor that is far better than dual vacs being that it's a smaller footprint and probably more power as well - I have a triple motor four horsepower model and I think it will exceed your dual shop vac setup easily on smaller hose, it can also use the larger hose 4" as well.

You should add craftsman, husky, and Bauer to this test.

Are there shop vacs with a soft start out there? I live in a house with crappy aluminum wiring and would also have the vac in a shed hooked up to a long extension cord. I definitely don't need a huge power surge when starting the damn thing.

Interesting to see the double-vac setup. The pressure-vs-airflow trade-off is why Oneida created the Supercell, a high-pressure dust collector for small shops. It's crazy expensive though, so I'm still on team shop-vac for the time being. I'd like to see you check out and compare the Dewalt Stealthsonic series. They are SO much quieter, it was an absolute game changer for me. I'd be curious to know how it compares to your Ridgid. It's probably less CFM, but my ears sure thank me.

That was so funny mate, put the comedy at the start of you vids, I almost missed it as I was skimming your vid. More people would see it closer to the start, so funny bro.

The Ridgid vacs have a lifetime warranty that you don’t need to even register for. Call them up and they will send you parts or replace your vac. Not sure why you’d need to buy a new one.

I don't consider loudness in the decision matix, the reason being you should use hearing protection all the time and most of the time you'll be using a power tool as well, which also makes a lot of noise, which doubles the reasons to use hearing protection. That said, GREAT video!

What about noise in the 2 vacuum case? Doesn’t it just go too high? Great demonstration by the way

Have you tested dual parallel vacs w a dust tornado collector?

Another huge downside to the large dust collector shown here, which is needed for larger bandsaws/planers etc is the cloth filter bags. They are useless, they get clogged easily, and often only filtering 5 microns or higher which is poor and no good for the harmful fine dust. The result is fine dust in the air settling on everything, being breathed in too, especially in a small shop. So then you have to factor in an upgraded filter, or a more expensive extractor, or one of those former options, plus an air filter which is more money. You will then need an expensive M rated shop vac for the smaller tools (mitre saw, router, sander etc). Its incredibly expensive and restrictive for something that is so important for a nicer working environment and your health.

So here we go, The test you ran were wrong nobody lites smoke bombs in the wood shop. DUMMY!! Second why would you put reducer on a main suction line? you would pipe in your main line placing tees at where your small power tools will be placed, then you hook up your small powertools to the teed off branch of the main line. you want a fair test try hooking that shop vac to that planer you have ,and see how fast you plug that 1.5 vac hose You test your system with your biggest saw dust makers , I.E planner, joiner, and maybe your router table. NO place to put it. who says the dust collector has to be in the shop to work properly? Who says you need all of the dust collector to collect saw dust? You find a place your in your shop that 's not doing anything build box canabalize the that dust collector you only need the impeller assembly and the vortex housing. and the bags. the rest is garbage . I know because i've built my own dust collection system and it works great, the reduced branch has no effect on the volume of air being drawn . in fact it increases the suction , But you need blast gates to make the system work right. It's all in the way you build your dust collection system. you want your biggest dust makers to be the closest to the dustcollector. sanders produce fine dust therefore a reduce line off the main trunk line is fine for sanders. Drill presses and mortising machines ,you clean up the dust with shop vac after use. YOUR TESTS ARE WRONG! YOUR THEROY IS WRONG! real test is that planner on a 1.5 inch hose attached to a shop vac.!!!!

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I believe the bigger one is to suck the shit out of the air to have cleaner work environment, not to hook to tools hence dust collection, and dust extractor!!!

Turned out Awesome!! TotalBoat Is The Best!!

I was using a ridgid 6hp NXT shop vac with the dustopper & 5 gallon bucket for years on my dewalt 7491 table saw and miter saw. I then got a bench top jointer and it worked sort of ok, but would occasionally get some chips fly out from the cutter head. I also got the larger larger dewalt planer (735) and my shop vac was not enough. I even upgraded to the dustopper pro which has a rubber gasket and chips were flying from the connection points on the hose. I upgraded to a cabinet saw and had to upgrade to a proper dust collector. I got a grizzly 1.5hp wall hanging model that is basically identical to the large rockler, and use it with the dust right cyclone separator and it is perfect! It’s quieter, just like you said, more of a low hummmm, and the cabinet of the table saw doesn’t really accumulate any dust. Having both I kinda believe getting a larger dust collector is worth it. Mine hangs in the wall and takes up no floor space whatsoever. Also I feel the shop vac releases a bit of fine dust even though it has the green hepa dust bag and filter, yet I feel the dust collector doesn’t (also with large hepa canister filter). Interesting video and cool experiment though.

Try it with velocity tornado to prevent small dust getting to the filter

Use hot glue to secure the power cord where it exits.

Another awesome vid! I'm a new subscriber here. I learned a lot and am completely surprised by the results. Would love it if you compared the Oneida Dust Deputy 2.5 to the Home Depot Dust Deputy! They (Oneida) say it improves airflow over the lid-style dust separators,, but does it??

Super helpful video! Thanks for doing it! I'd love to see you compare the big Ridgid to the Dewalt Stealthsonic. Only because my 15yr old Ridgid is starting to overheat when I run it on long CNC projects, so I'm going to need to replace is soon. I just don't want to give up a bunch of performance just for a quieter machine, but if I can get the same performance AND reduce the noise, it's game over for Ridgid in my garage.

Notice in your basement shop you have your shop plumbed for a 4” vac system. Just wondering why you’re downplaying them when you already using the system. Lastly how do the two compare with how many microns of dust escapes both. Nice presentation though. Would like to hear your feedback. Rick

Great information as I have been considering getting something like that WEN. Now I'm curious with the dual vac setup, if you put one cyclone separator on the combined hose or if you put a cyclone in front of each vacuum which would be more efficient.

Would love a practical test where you test the dust collection with the dustiest of tools: the miter saw. Test it without anything. One shop vac. And then two. Cuz for me the shop vac works well on everything but the miter saw. Great video.

Shop vac for sure! I had my shop vac hooked up to a scroll saw dust exhaust and there was so much pressure I couldn't move the work piece, I had to drill some relief holes so I could move the work piece and it was really efficient after that! I agree with what you're saying!

duel vacs...too many DIY tools

Dual vac takes up more space than a dust collecto0r.

The smoke test you did was pretty cool. Reminds me of Mythbusters! 😂

Interesting concept. Kind of the opposite of Obsessed Garage running two pressure washers in series to get a higher Gallons Per Minute flow rate. It doesn't increase the pressure, just the amount of water being pushed. (Nice tests, presentation, and humor. Subscribed.)

A good test of theory, but I'd like to see it performed on shop tools in use.

seems absurd to compare these 2 types of vaccum since they are for different purposes, big one with a induction motor for continuos use are incomparable to a carbon motor that needs working cicles and stop to do not burn out the coils.... you are comparing irrelevant aspects of the device. And finally is absolutely insane use 2 lil' vaccums to meet the caudal air of the big one,,,, nobody will run 2 vaccums of around 2k watts each without mess his house wiring power supply things....

I have both in my shop which is half of a 2 car garage. It depends on the port size of the tool. Eg. Planer =HVLP, Mitre saw = LVHP.