Kobalt Quiet Tech 26 Gallon Air Compressor: Adding a Better Regulator & Expanded Capabilities (
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- เผยแพร่เมื่อ 8 ต.ค. 2023
- Overall I have been happy with my Kobalt Quiet Tech 26-gallon air compressor, except for the poor performance of the built-in regulator. In the video, I add an unregulated high-pressure quick connector that allows me to connect a better quality external regulator and expand the capabilities of the compressor. A link to the regulator I used is below:
Speedaire Filter/Regulator, 1/4in NPT, w/Gauge: www.zoro.com/speedaire-filter...
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#diy #kobalt #aircompressor #rurallife
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Another great shop air hack I learned working at a shop w a boss who thought our side of the business was a waste of his time (although all the money came from the shop, but that's the art business). Our main gig was custom crating, all we had was a hotdog compressor and a few air tools (stapler, drill, etc..). First thing I did was remedy the air situation. A new compressor was out of the question but I could work the old one to death (he was that guy). I bought 4 - 4"x10' PVC pipes (heavy walled) and set them up as surge tanks around the shop. 4 pipes got us about 20 gallons of extra air and that god damned compressor was still alive when I left after about 4 years. Made lots of improvements to the shop, beat every production deadline for 3 years in a row. I was proud of the shop and the team I put together was sad to see the boss drive it straight into the ground.
You were very resourceful, Aaron! It’s hard to see a good team and shop wither away because of an idiot boss. Thanks for sharing!
Well done and nice to see you back!
Thanks, Marty!
Welcome back, good info !
Thanks! Glad you found it helpful.
Glad to see you back on line!!! “Keep on Keeping on!” Tim in northern TN
Thanks, Tim! Appreciate you watching!
Welcome back Martin glad to see you back. Cheers
Hi Sam! Thanks! More videos in the works.
I found your video when I bought the same compressor, and had the same issue, except it dropped the pressure to 0. after buying a new regulator I ended up with the same problem, I changed out the line from the pressure switch to the regulator. Now using a blow gun the pressure doesn't fluctuate at all and I am using the original regulator that came with the compressor. The supply line was almost completely plugged off.
That’s interesting! And understandable disappointing, too. Glad you fixed the problem. Thanks for stopping by!
I personally would have gone with stainless fittings because of their corrosion resistance, but i appreciate your work 👍
Good to see you!!!...Thanks!
Thanks for watching!
I was wondering how you were doing. Been awhile since you uploaded. Good to see you!
Hey, thanks Jase! More videos in the works.
Great upgrade. You may already know this, but I was taught to apply sealant tape from the roll differently by a pipe fitter. I hold the fitting in my left hand with the threads facing right and wrap the tape feeding from the bottom of the roll (using my right hand) in the direction that the female fitting will screw on. You can tension the tape with your right hand directly with the center of the roll of tape by holding the end with your left thumb for at least the first wrap. Also works with all rolls of adhesive tapes when wrapping electrical tape around wires, or wrapping shafts and it helps keep the wraps tight. Try it sometimes.
It has been a long time since I took fluid dynamics, but I'm pretty sure that your pressure drop has more to do with gas pressure laws that say that there is a corresponding pressure drop across any restriction if the speed increases through the restriction. If you want a true operating pressure at the tool, adjust the regulator to the desired pressure while the tool is in use. And look for regulators (and valves/fittings) rated as full flow (most have a rating known as a flow coefficient where the higher number means less pressure drop when flowing).
Thanks for the terrific Teflon taping tips!
@@DIYMyWay I hope you caught my edited comment about fluid dynamics. The pressure drop through a restriction is how a flow measurement tool called a venturi flowmeter works and it uses what is know as Bernoulli's Principle to measure flow. The higher the flow through the same restriction, the higher the pressure drop. Your most accurate tool pressure would have to come from a gauge locate at the tool at full operational flow as the pressure drop through the system depends on all "flow losses" due to restrictions along the air's flow path which includes the hoses as well. You can minimize the total pressure drop only by using "high flow" fittings and large enough piping or short enough runs of hose/tubing to minimize that loss. When you stop using the tool, all air "FLOW" ceases and the pressures equalize (at roughly the speed of sound) since the flow ceases. Love your videos. Thanks.
Full watch and a thumbs up 👍🏻 Martin
Thanks for watching!
Great to see you Martin, it's been a while. Hope you are doing well. Great video.
Thanks, John! I’m doing well and have more videos coming. Thanks for watching!
Glad to see you back, was wondering if you were having health problems. Hope you are doing well.
Thanks, Bill! All is well and more videos are in the works.
Thanks for showing the mistake. I always respect that and it will help others.
Thanks! Just wanted to helps folks avoid a stupid mistake and that you can fix it by THINKING.
Good to see you Martin. This is good info. I feel the need to go check my compressor pressure drop. I hadn't considered moving the regulator further down the line...definitely food for thought.
Also, glad to know I'm not the only one who speaks Tool Latin when things break! Cheers.
"Tool Latin" I've never heard that and had a long overdue laugh. Thanks!
Hi Chris! Glad the info was useful to you. “Tool Latin.” 🤣 Love it! Thanks for watching!
Good to see you back Martin! Later
Thanks, Mech!
Good afternoon Martin.
Good afternoon, Gary!
Hello, nice mod, I hate those alllen wrenches, do more harm than good usually especially up in Canada! Good fix with cutting the slot in that plug. Hope you had a wonderful Thanksgiving, and have a good week.
Thanks, Ross! I get the reason for the ball ended Allen wrenches but they are not good for high torque jobs and I can’t believe I didn’t remember that. Thanks for watching!
hi great channel and voice . your voice should narrate science-based channels. Great voice
Wow, thanks!
Good Evening Sir and WELCOM BACK 👌👍😇 Ho Boy, that was not a pleasant moment breaking this Allen key 🥴 OUTSTANDING INFORMATIVE VIDEO SIR 👍😇👌Cheers 🍻
Thank you, Dave! Yes, that was really STUPID of me. If I had been thinking at all I would have known that ball end would break off in there. Cheers!
Generally the pressure set while the tool is operating, otherwise it's just static pressure. The length and diameter of the air line will have an effect. Try connecting the air wrench to the regulator with a 3' section of 3/8" air line (available at Horror Fright for about $8). I think you'll find the regulator will reflect a different drop. I know that my plasma cutter says the pressure must be set while the air solenoid is open.
Thanks for the tips and for watching!
Awesome
Would much prefer no music but you are an excellent presenter and narrator, thank for posting
I have the same compressor, and it drives me crazy when I remove the charged air line, as Its very dangerous when the line blows off. Im going to add a cutoff, but theres not much room, until I saw your fix which I will take one step further! Thanks.
Yes, it would be easy to add a cutoff valve ahead of the quick connector. Good idea! Thanks for watching!
How's she goin'? This as a nice add to your compressor Martin. Too bad about the trouble you had getting the expansion port plug out though!! It's been my experience that when I set the regulator it always drops when the tool is started. If I need the pressure to be, say 90PSI, I'll set that with the tool operating. Anyways, I like the way you set up your compressor now. Take care!!!
Hi Mike! Thanks! Yes, the trouble was of my own making this time. I expect a modest drop in pressure with the tool operating, maybe 10 to 20 psi, but there’s nothing modest about a 35 psi drop. Thanks for watching!
That's for sure. Your new set up is the answer though eh!!@@DIYMyWay
👍👍👍
I think that yellow coiled hose is too thin to run a 1/2" impact... that might be part of the problem? I wonder what a different regulator would do. I enjoyed the video.
Yes it’s too thin to actually use the tool at full capacity but not too thin for a regulator test. There are probably better regulators available but I can probably live with this one. Thanks for watching!
Can you add a regulator on the opposite side as well from the 6mm bolt you mounted to?
Hi William! You could, but you’d have to run some pipe or hose to that side of the compressor from the manifold block. Thanks for watching!
For future reference to anyone reading: don't replace any stock part with only a single high-flow part; the whole stock air flow is restricted--regulator, tube, and fittings all. This is what I gathered from other comments in different videos that tried to switch out different parts of the stock air flow.
This goes for the same modification add-on: all parts of it needs to be high-flow. Someone else did this same modification but with high-flow fittings and got a 10 psi drop, compared to a 20 psi drop in this video.
What parts would you recommend for this one?
What would happen if you set pressures at 100 so operating pressure would be more in spec?
Then the operating pressure would be 80 psi. I would set it to 110 psi static pressure to get 90 psi operating pressure. Thanks for watching!
If you take one of those stock plugs from the kobalt regulator.
You'd increase psi.
I rather connect a new regulator.
A small one
My OEM Regulator is leaking, anyway to bypass it or block it & just add your port?
You’d have to disconnect it from the manifold block and you would lose the use of the two onboard quick connects. Good luck and thanks for watching!
What if you put a straight pipe out of the extra port rather than a quick connect
Then I wouldn’t have the quick connect on that I wanted, but it might improve the pressure regulation a bit. Thanks for watching!
Before replacing that stock regulator (which is garbage) I would start w ur supply line to the tool. Nothing is worse than thoes coil hoses. In my old shop I had a main line that ran around the shop. I bolted a large fire extinguisher to the leg of our workbench I put a T on the extinguisher a couple quick connects later I had a 5 gallon surge tank and an 8 foot hose that gave me full on demand pressure and not having 50' of hose laying all over shop for someone to trip over.
I just use that coiled hose for filling tires and for convenience on the video. The results are the same with my good 25’ hose, but I like your idea of the surge tank. Very clever! Thanks for watching!
And another tank
Yes, you could hook to another tank for extra capacity. Thanks for watching!
I think I found the solution to your problem: you need high-flow fittings. You need the high-flow male and female fittings on the tool and the regulator. Someone already did this modification on the same compressor 3 years ago and he only had a 10psi drop. Here's the video link:
th-cam.com/video/q9SOhktW_Qg/w-d-xo.html
He also has links in the description to buy the same parts he used for the modification.
But that should be enough
Yep. Exactly.
The reason your Ellen from Ranch broke was because you had a ball and type and they are very weak
I didn’t have an Ellen from Ranch but I did have an Allen wrench with a ball end that I stupidly used and it broke off even though I knew those ball end types are weak - thus the stupidity for even trying it. Thanks for watching!