Functionally operates just as it should th-cam.com/users/postUgkxiiMg_x4gIWeXMWfBnDdRnME4qJUAva4w holds pressure perfectly when not in use. Glad one of the other reviews pointed out that the bottom pressure release valve was open; thought it was defective at first.
Great idea! I was wondering about the oil in the compressor too where a fridge is a closed system, this one is open. Still looks like a fun project! :)
I have been thinking the same thing. I have almost pristine cold storage rooms compressor waiting for this project, but havent been able to solve oil issue reliably. You could get automatic oiler to feed new oil to system and have oil extractor least before hose, but i dont know how much it really removes and would require emptying regular intervals. I also though about making cyclone filter that collects moisture and oil, where there is two valves opening and closing controlled by arduino that gets data from visual sensors that see when water and oil levels are top emptying it automatically just enough to get water out from bottom (oil usually floats) and feeding oil back to system, but this is complicated and probably will cause issues over time. Regardless what ever i get oil out, i would not use this to paint cars and playing with oil kinda defeats idea of this being used in apartment building i planned using it, before moving.
One important thing that often gets forgotten, these compressors are typically filled with poe oil, which will react with moisture in the air and corrode the internals of the pump. Replace with engine oil, gear oil, or mineral oil then periodically top up, keep a cheap oil separator inline between the pump and tank and it'll work just fine to recycle the used oil, or just top up periodically and toss the used stuff.
I did a similar thing as this 20 years ago. I used a central air compressor and a hundred pound propane cylinder for a tank. Been using it for 20 years now.Its so nice & so quiet
A beautiful fabrication job worth many dollars. To bad potential manufacturers of quiet compressors don,t take the hint and put something like this on the market for a reasonable price. Yes, how to remove the oil from the air discharge and maintain the compressor oil level is a good point.
In the 80's ? I love the 80's and all its motorized totally awesome recreational vehicles 😎😎 ,and toyota 4x4 pickups with solid axles,and parts that weren't plastic,and other stuff that was plastic,and mag wheels and bmx,and mad max,and maximillion,and 57 channels,but I only had 3,which is why I was outside learning to be so ninj. Did I mention ninjas?
@@jamesolson7213 Totally! People that missed the 80s missed the greatest time. We've gone backwards and sideways since then. I raced competition BMX, had a Wrangler 4x4, a Suzuki RM 125, a 5 disc CD player, Tons of records.... a VCR and Children of the Corn as the first tape, remember those? LOL
@@edflynn4277 what you want to do is drain the poe oil from the system and replace with engine or mineral oil, the poe oil absorbs moisture in the air and corrodes the internals until the pump dies.
@@edflynn4277 what you want to do is drain the poe oil from the system and replace with engine or mineral oil, the poe oil absorbs moisture in the air and corrodes the internals until the pump dies.
Extraordinariiiooooooo absolutely fantasticoooooooooo that compressor 😲😲😲😲😲😍😘😍😍😍😍thank you for sharing this beautiful video excellent explained fully detailed information about how to make a compressor 😉😉😉😉👀👀👀👍👍👍👌👌👌👌
Estupendo trabajo compañero. Pero veo algunas medidas de precaución que usted no ha instalado en su proyecto. Y son muy importantes. En primer lugar, no veo que haya instalado una válvula de seguridad. Eso es muy importante, por que si en un momento dado el presostato se avería podría a llegar a reventar el calderín o alguna de sus piezas asociadas. Tampoco veo que le haya instalado un filtro de aire en la entrada del compresor. Otra cuestión no menos importante, es que estos compresores de nevera, están diseñados para trabajar en circuito cerrado. Con lo cual, usted va a tener una pérdida de aceite muy importante cada vez que utilice su proyecto. Le recomiendo que a la salida del compresor, instale un separador de aceite. Otra cosa importante, debería haber instalado una llave de purga o evacuación de la condensación que se produce dentro del calderín. De lo contrario, llegará el momento que corrompa el interior del calderín por el óxido. Supongo que habrá instalado la válvula anti-retorno, otro detalle muy importante. No tome mis palabras como una crítica negativa, todo lo contrario, me ha encantado su proyecto. Solo sugiero algunas mejoras muy importantes en lo que a seguridad se refiere. Un gran abrazo..... Great work partner. But I see some precautionary measures that you have not installed in your project. And they are very important. First of all, I do not see that you have installed a safety valve. This is very important, because if at any given time the pressure switch breaks down, it could burst the boiler or some of its associated parts. Nor do I see that you have installed an air filter at the compressor inlet. Another issue, no less important, is that these refrigerator compressors are designed to work in a closed circuit. With which, you will have a very important oil loss every time you use your project. I recommend that at the outlet of the compressor, install an oil separator. Another important thing, should have installed a purge key or evacuation of condensation that occurs inside the boiler. Otherwise, the moment will come that corrupts the inside of the reboiler by rust. I suppose you have installed the anti-return valve, another very important detail. Do not take my words as a negative criticism, on the contrary, I loved your project. I only suggest some very important improvements as far as security is concerned. A big hug.....
If you do this again I would like to recommend some changes. 1 - Drill and tap the base before welding the tank on (2:22) 2 - Put the handle of the cylinder for the container in the center of the rig to help you carry it. Don't cut it off (1:46) 3 - Don't drill through the wall of the tank, this compromises the strength of the tank. Instead put a T pipe to act as the inlet/outlet (3:27) 4 - Don't weld the pipe into place as this prevents the machine from being taken apart (7:27, 9:36). A flexible hose and clamps work just as well. 5 - Make sure there is a way to lubricate the motor once in a while. This refrigerator pump was meant to pump refrigerant, not dusty air. 6 - Make sure the compressor can turn itself off. I don't know what the limit on your tank is, but on mine it is 100psi. 7 - You will need to find a way to take the compressor apart to drain the condensation. But what do I know? I've just got a diploma as a welding and fabrication technician, two years as an industrial powder painter and three years with an air brake endorsement.
Two things missing: a safety valve (fridge compressors can go well over that bottle's limits) and a water purge valve at the very bottom. And also I put a one way valve so the compressor can start more easy.
@Coronadraht You are right, I did not notice it because it appears connected just after bracing the main tube and is not shown in the video, good catch!
@Coronadraht Sorry that not a pop off / safety valve. Just the tank inlet and the blow off for the limiter. That small valve just reduces the head pressure when the limiter turns off the compressor. That allows it to start much easier when there is pressure in the tank
Third thing, replace the poe oil with engine oil or mineral oil. The poe oil will absorb moisture and humidity from the air and cause the internals to corrode with bad results.
Brilliant idea and did it after but there seems to be oil coming out with the air and what happens if the oil of the red compressor runs out? Be well & safe.
40 years ago my dad made a compressor from the fridge unit from a milking machine and used a gas bottle a few years later he was able to afford a proper compressor for the business. the new compressor is now 35 years old and has been used every working week.
HA!! We took an old fridge apart as kids and made a bicycle air pump! Our parents were like WTF? Where did you all learn some sh!t like that?? Tbh I don't remember how we learned it. Probably an old timer giving us the idea. But i will say this... that sucker would burn the hell outta ya!! Good build!! PS. We just crimped off the tubes with rubber and hose clamps lol no soldering here 🤣
1 safety concern - lack of pressure relief valve and have you tested the tank? 2 - how are you going to drain the moisture/water? I like the project and its execution but it's lacking a bit ;)
Excelente, meu caro. Que capricho! Tudo muito bem feito, sem gambiarra. Muito bom! Estava pensando mesmo em utilizar um liquinho pra reservatório. Já clareei minhas ideias! Te agradeço.
Built one of these in the 70,s. still use it today in my workshop, given me years of good service, a couple of years ago i built another for a friend of mine to spray his models with a small airbrush. now i see they are for sale in our local machine shop at very expensive prices, should have patented it in the 70,s, but hey ho
These were commercially made about 30 years ago by Devilbis. They were called silent airbrush compressors. They cut the compressor around the circumference at the seem. Dumped the oil and replaced it with an air compressor oil. Probably Mineral spirit oil. A special clamp similar to a huge hose clamp that fit around the tank to hold the top and bottom and a rubber seal together. I had one. It was absolutely silent. You only heard a psst when it turned on and off. perfect for an apartment setting. I am not sure if they still make them. I no longer do airbrushing. The unit cost around $350.00 back then. You could buy the oil in art supply stores by the liter. One of the copper tubings was for refilling the oil. You only use 30 to 40 psi for airbrush. It also had a tank about the size of a medium sized hand job fire extinguisher. It is obvious this one is pushing 140psi ouch!!
Nagyon ötletes, én is hasonlót csináltam, csak én egy gyári kompresszor tartályára szereltem rá a hűtő motort. Bár a festékszórás az túlzás, mert ahhoz nem termel elég levegőt, és még a 20 literes tartály sem pufferel eleget, ráadásul 17 perc, mire feltelmeli 6 bár-ra. Kerékpár, autó kerekét felpumpálni, asztalról a koszt lefújni, arrakiváló!
love the paint gun at the end. you´re a daredevil letting this small compressor go up to almost 150PSI !!! should definatelly add a safety valve or recalibrate your switch to lower it to ....maybe 90PSI you where lucky to find such silent almost mute fridge compressor
You need to replace the oil in the compressor,it is hygroscopic,and therefore absorbs moisture! At the entrance to the compressor, put the filter and will be very good!
Клим Ворошилов hi man I’m fridge engineer and thinking to make something like this but using receiver as a tank and I know the winding in compressor will be damaged by connecting to moisture. Any idea Thanks
@@kasra555 The refrigerant oil is hygroscopic and turns acidic when exposed to air. The acidity attacks the enammelled copper windings. If you replace it with an non foaming mineral oil, dont allow it to go over 100 deg C or exceed a 50% duty cycle you`ll be fine ;)
@@kasra555 One more thing! The air flow in the sprayer must be greater than or equal to the air flow in the compressor! It is necessary to take into account the performance of the compressor always, and the oil in the compressor can be replaced by a conventional mineral, it is not hygroscopic and its viscosity is higher! From high pressure less oil will fall into the hose and will not absorb moisture! For painting this is important!
I was experimenting with an old fridge compressor. Attached a connector to it and connected it to the output of an old loud crappy compressor. The fridge pump got the tank up to 8bar quickly, so I replaced the old loud pump with this one. Now that is actually connected via the valve to the electric switch and safety stuff it's no longer pressurizing the tank. The electric switch is hissing. Is the switch malfunctioning or do they work by letting some air escape and are therefore not compatible with every pump? Can I fix this somehow?
It locked up because over time the lubrication in the motor/compressor will escape up the pipework, never to return! A closed unit of this type loses lubrication up the pipework, but usually it returns to the unit. This is not possible when using the unit in this way.
robert till - There is another video showing the oil left in the compressor years later (and 1000 hours of use) was the same as what was put in. So the amount of oil in the air will be very very small. Of course you do want to replace it with mineral oil (baby oil for that nice scent)
hello I have the main parts for this build I have a 2 port valve with electronic cut off what im wondering what's that. T piece you uses to connect the pump to the tank
It's a check valve. Air can only go from the pump to the tank and not leak back into the pump when it shuts off. The little squiggle tube that taps off of it and goes back to the unloader valve on the bottom of the pressure switch so when the compressor switch satisfies and shuts off the motor, air pressure is automatically dumped out of the line between tank and compressor so the motor doesn't have to start up against a pressurized line.
With that size of compressor ..not much. Its a very small tank and it still needed a cut in the filming which should tell you the output is not that great ;)
If you have PAG oil in any other part of the refrigeration system than just the compressor, you have a severe problem on your hands. PAG is not supposed to leave the compressor, and the refrigeration system is designed to prevent this. But that's irrelevant to these small pumpkin compressors used in refrigerators. The housing is about half filled with oil and the open motor sits inside the oil. The refrigeration lines are plumbed through the housing, but is sealed independently so the oil and refrigerant don't mix. here's a video of one being cut open: th-cam.com/video/3Uwx-_VecHo/w-d-xo.html It's perfectly fine to use a compressor like this as an air compressor, but not for continuous use unless you can actively cool the compressor housing to prevent it from overheating.
@@surfwidow You aren't going to find a completely silent compressor like this on the market for free or cheap. The only thing I can think of that comes close are for use in the healthcare industry and those things are thousands of dollars.
GGigabiteM - I am afraid if you watch the video you linked he explains and shows that the refrigerant is just “dumped” into the crankcase along with the oil. I understand everyone’s concern about the oil being pushed out, but the speed of the machine is so slow that this is not a concern. There is another video where a similar unit is replaced years later and all the oil was still in the sump. (There may have been a minuscule amount lost over time, but not enough to be a concern)
After the "rattler" stoped i put a 1.25 HP used Kompressor onto that tank.also did one for a friend.third of half HPs take to long and no good for spraypainting.
Yes, the fridge compressor is great regarding low noise but you will run into a major problem with water accumulating in the compressor and mixing with the oil in it and eventually producing a milky sludge and thus diminishing the lubrication quality of that mixture and sooner or later (probably sooner) burning out this nice and quiet compressor. Water in the adjacent pressure tank is not much of a problem as we can get rid of it in various ways, however, I don't know of any way to get rid of the humidity in the air that first get sucked into the compressor and it is that humidity turning into water once air compression commences.
with out a doubt........absolutely amazing! hat off to you sir.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Functionally operates just as it should th-cam.com/users/postUgkxiiMg_x4gIWeXMWfBnDdRnME4qJUAva4w holds pressure perfectly when not in use. Glad one of the other reviews pointed out that the bottom pressure release valve was open; thought it was defective at first.
Great idea! I was wondering about the oil in the compressor too where a fridge is a closed system, this one is open. Still looks like a fun project! :)
I have been thinking the same thing. I have almost pristine cold storage rooms compressor waiting for this project, but havent been able to solve oil issue reliably. You could get automatic oiler to feed new oil to system and have oil extractor least before hose, but i dont know how much it really removes and would require emptying regular intervals. I also though about making cyclone filter that collects moisture and oil, where there is two valves opening and closing controlled by arduino that gets data from visual sensors that see when water and oil levels are top emptying it automatically just enough to get water out from bottom (oil usually floats) and feeding oil back to system, but this is complicated and probably will cause issues over time.
Regardless what ever i get oil out, i would not use this to paint cars and playing with oil kinda defeats idea of this being used in apartment building i planned using it, before moving.
One important thing that often gets forgotten, these compressors are typically filled with poe oil, which will react with moisture in the air and corrode the internals of the pump. Replace with engine oil, gear oil, or mineral oil then periodically top up, keep a cheap oil separator inline between the pump and tank and it'll work just fine to recycle the used oil, or just top up periodically and toss the used stuff.
@@Hellsong89 a
I did a similar thing as this 20 years ago. I used a central air compressor and a hundred pound propane cylinder for a tank. Been using it for 20 years now.Its so nice & so quiet
Does it take longer to fill with fridge motor?
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
I think a 100 lbs tank is a bit excessive....
but its not long live
My step dad made me one 30 years ago when I got into airbrushing, worked great.
Very cool i never thought a refrigerator pump could make that kind of pressure
Most can easily make far more pressure than a typical air compressor, I've seen them go as high as 350psi and heard stories of them going even higher.
Brilliant! It is better to fit tapper on bottom of tank to drain water which condensated in it.
Cheers from Indonesia
Thank you!! I just made mine today and it fills my car tires very fast!!!
Do you know how unsafe that compressor is ??
It’s been working great! The switch automatically shuts off at 170psi
Francois Moolman .
Im glad you're still alive.
A beautiful fabrication job worth many dollars. To bad potential manufacturers of quiet compressors don,t take the hint and put something like this on the market for a reasonable price. Yes, how to remove the oil from the air discharge and maintain the compressor oil level is a good point.
Was doing this back in the 80s with 4 pumps inline (just saying)😁
In the 80's ? I love the 80's and all its motorized totally awesome recreational vehicles 😎😎 ,and toyota 4x4 pickups with solid axles,and parts that weren't plastic,and other stuff that was plastic,and mag wheels and bmx,and mad max,and maximillion,and 57 channels,but I only had 3,which is why I was outside learning to be so ninj. Did I mention ninjas?
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Me to 😁👍
@@jamesolson7213 Totally! People that missed the 80s missed the greatest time. We've gone backwards and sideways since then. I raced competition BMX, had a Wrangler 4x4, a Suzuki RM 125, a 5 disc CD player, Tons of records.... a VCR and Children of the Corn as the first tape, remember those? LOL
brilliant and easy to make (with the right tools)
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Man, that was so much easier than buying a can of spray paint. Thanks for the tip!!
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Great video Thanks
Parabéns. O melhor projeto homemade do TH-cam. Super simples e funcional. Top
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Looks great. How do you deal with the oil the compressor spits out and paint contamination?
he added a liquid trap. it should catch oil too.
Don't you want to recycle the oil back to the pump?
@@edflynn4277 what you want to do is drain the poe oil from the system and replace with engine or mineral oil, the poe oil absorbs moisture in the air and corrodes the internals until the pump dies.
@@edflynn4277 what you want to do is drain the poe oil from the system and replace with engine or mineral oil, the poe oil absorbs moisture in the air and corrodes the internals until the pump dies.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Spectacular job man. Thanks for sharing 🙏
Very very good, brother! Amazing!
Extraordinariiiooooooo absolutely fantasticoooooooooo that compressor 😲😲😲😲😲😍😘😍😍😍😍thank you for sharing this beautiful video excellent explained fully detailed information about how to make a compressor 😉😉😉😉👀👀👀👍👍👍👌👌👌👌
Um super like do professor Marinho do Ferramentas e Dicas do Brasil
A great project and very well done. Supurb result... :)
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Outstanding!
Estupendo trabajo compañero. Pero veo algunas medidas de precaución que usted no ha instalado en su proyecto. Y son muy importantes. En primer lugar, no veo que haya instalado una válvula de seguridad. Eso es muy importante, por que si en un momento dado el presostato se avería podría a llegar a reventar el calderín o alguna de sus piezas asociadas. Tampoco veo que le haya instalado un filtro de aire en la entrada del compresor. Otra cuestión no menos importante, es que estos compresores de nevera, están diseñados para trabajar en circuito cerrado. Con lo cual, usted va a tener una pérdida de aceite muy importante cada vez que utilice su proyecto. Le recomiendo que a la salida del compresor, instale un separador de aceite. Otra cosa importante, debería haber instalado una llave de purga o evacuación de la condensación que se produce dentro del calderín. De lo contrario, llegará el momento que corrompa el interior del calderín por el óxido. Supongo que habrá instalado la válvula anti-retorno, otro detalle muy importante. No tome mis palabras como una crítica negativa, todo lo contrario, me ha encantado su proyecto. Solo sugiero algunas mejoras muy importantes en lo que a seguridad se refiere. Un gran abrazo.....
Great work partner. But I see some precautionary measures that you have not installed in your project. And they are very important. First of all, I do not see that you have installed a safety valve. This is very important, because if at any given time the pressure switch breaks down, it could burst the boiler or some of its associated parts. Nor do I see that you have installed an air filter at the compressor inlet. Another issue, no less important, is that these refrigerator compressors are designed to work in a closed circuit. With which, you will have a very important oil loss every time you use your project. I recommend that at the outlet of the compressor, install an oil separator. Another important thing, should have installed a purge key or evacuation of condensation that occurs inside the boiler. Otherwise, the moment will come that corrupts the inside of the reboiler by rust. I suppose you have installed the anti-return valve, another very important detail. Do not take my words as a negative criticism, on the contrary, I loved your project. I only suggest some very important improvements as far as security is concerned. A big hug.....
Просто супер.Спасібо ребята.
Nice job 👍🏻
Great! So silent! Nice done! ;)
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
10 bar??? very good job man!
150psi? Not bad
Nice I love this idea.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
If you do this again I would like to recommend some changes.
1 - Drill and tap the base before welding the tank on (2:22)
2 - Put the handle of the cylinder for the container in the center of the rig to help you carry it. Don't cut it off (1:46)
3 - Don't drill through the wall of the tank, this compromises the strength of the tank. Instead put a T pipe to act as the inlet/outlet (3:27)
4 - Don't weld the pipe into place as this prevents the machine from being taken apart (7:27, 9:36). A flexible hose and clamps work just as well.
5 - Make sure there is a way to lubricate the motor once in a while. This refrigerator pump was meant to pump refrigerant, not dusty air.
6 - Make sure the compressor can turn itself off. I don't know what the limit on your tank is, but on mine it is 100psi.
7 - You will need to find a way to take the compressor apart to drain the condensation.
But what do I know? I've just got a diploma as a welding and fabrication technician, two years as an industrial powder painter and three years with an air brake endorsement.
@@skippy6656 I may not know about refrigerators, but I'm glad that I know more about welding than you do about being nice.
Two things missing: a safety valve (fridge compressors can go well over that bottle's limits) and a water purge valve at the very bottom. And also I put a one way valve so the compressor can start more easy.
@Coronadraht You are right, I did not notice it because it appears connected just after bracing the main tube and is not shown in the video, good catch!
@Coronadraht Sorry that not a pop off / safety valve. Just the tank inlet and the blow off for the limiter. That small valve just reduces the head pressure when the limiter turns off the compressor. That allows it to start much easier when there is pressure in the tank
@Cruella DeVille we don't but he does
i made this 20 years ago,still going strong
Third thing, replace the poe oil with engine oil or mineral oil. The poe oil will absorb moisture and humidity from the air and cause the internals to corrode with bad results.
I liked that this compressor is very quiet. Bur for how long would it work
You are awesome!
dude really gave it the beans with all that teflon tape! soooo much tape
... отличная приблуда для гаражных работ, случайно не продается, а то куплю..!
A DIY SILENT AIR COMPRESSOR FROM A REFRIGERATOR MOTOR,....IS EXCELLENT!
Manchester type propane tank...nice
Great idea! Shame you did not last the parts as I do not recognise some of them.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Great work...
Please add a safety valve, this compressor reach about 300 PSI.
Bro, if you know, exactly this compressor can produce pressure over 430-500 PSI
I was used it for my car tyre without air tank
Brilliant idea and did it after but there seems to be oil coming out with the air and what happens if the oil of the red compressor runs out? Be well & safe.
Este foi o melhor vídeo dos que eu já assisti parabéns Deus continue te abençoado
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Dou os meus parabéns pela grande ideia nota 10. pela a criatividade OK OK OK .
They make a great a/c vacuum pump also.
They don't if you are looking to attain a vacuum anywhere near 500Microns. Maybe for a recovery machine.
1qa
This is impressive. Thanks for sharing
thanks for the advice, actually built one with two reciprocating motors and works well (also super silent and cost -100 if you do it diy)
40 years ago my dad made a compressor from the fridge unit from a milking machine and used a gas bottle a few years later he was able to afford a proper compressor for the business. the new compressor is now 35 years old and has been used every working week.
You've been using the same air tank for all these years? that thing is a tragedy waiting to happen
HA!! We took an old fridge apart as kids and made a bicycle air pump! Our parents were like WTF? Where did you all learn some sh!t like that?? Tbh I don't remember how we learned it. Probably an old timer giving us the idea. But i will say this... that sucker would burn the hell outta ya!! Good build!! PS. We just crimped off the tubes with rubber and hose clamps lol no soldering here 🤣
1 safety concern - lack of pressure relief valve and have you tested the tank? 2 - how are you going to drain the moisture/water? I like the project and its execution but it's lacking a bit ;)
all these people care about is making money off TH-cam not actually doing anything right.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
It is lacking a lot --the pressure relief valve is essential.
I hope I can do as well and be like you, I wish you and everyone a good time and happiness
Excelente, meu caro. Que capricho! Tudo muito bem feito, sem gambiarra. Muito bom! Estava pensando mesmo em utilizar um liquinho pra reservatório. Já clareei minhas ideias! Te agradeço.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Do you think the power is sufficient to operate a pneumatic chisel to do metal engraving?
Built one of these in the 70,s. still use it today in my workshop, given me years of good service, a couple of years ago i built another for a friend of mine to spray his models with a small airbrush. now i see they are for sale in our local machine shop at very expensive prices, should have patented it in the 70,s, but hey ho
Mind if i ask how regularly you have to change or replenish the lubricant inside?
Thanks and cheer!
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Wow.. amazing 😉
Very professional...
Parabéns pelo trabalho bem feito
Koja je snaga tog motora od frizidera i koliko mu treba vremena da nadruka od 0 do 8 bara?
It will work (for a while) water in oil and lack of lubrication issues is what makes it impractical.
Harbor Freight..........save your weekend.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
These were commercially made about 30 years ago by Devilbis. They were called silent airbrush compressors. They cut the compressor around the circumference at the seem. Dumped the oil and replaced it with an air compressor oil. Probably Mineral spirit oil. A special clamp similar to a huge hose clamp that fit around the tank to hold the top and bottom and a rubber seal together. I had one. It was absolutely silent. You only heard a psst when it turned on and off. perfect for an apartment setting. I am not sure if they still make them. I no longer do airbrushing. The unit cost around $350.00 back then. You could buy the oil in art supply stores by the liter. One of the copper tubings was for refilling the oil. You only use 30 to 40 psi for airbrush. It also had a tank about the size of a medium sized hand job fire extinguisher. It is obvious this one is pushing 140psi ouch!!
Nagyon ötletes, én is hasonlót csináltam, csak én egy gyári kompresszor tartályára szereltem rá a hűtő motort. Bár a festékszórás az túlzás, mert ahhoz nem termel elég levegőt, és még a 20 literes tartály sem pufferel eleget, ráadásul 17 perc, mire feltelmeli 6 bár-ra. Kerékpár, autó kerekét felpumpálni, asztalról a koszt lefújni, arrakiváló!
good job bro
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Wspaniała robota
Excelente!!!.
Really silent!Thanks
Is this project use in refilling bio gas also
love the paint gun at the end.
you´re a daredevil letting this small compressor go up to almost 150PSI !!! should definatelly add a safety valve or recalibrate your switch to lower it to ....maybe 90PSI
you where lucky to find such silent almost mute fridge compressor
nice project, please air parts info and links
This is awesome
Bravo vraiment c'est du beau travail 👍👏😊
Genial !! , Bravo !!. Saludos desde Madrid Spain.
super
Diy.bueno tu proyecto del compresor.pero para soldar ángulos.comprate o fabrica(es muy fácil).ingleteras imantadas.saludos😁
Thanks for the video . I'd like to do this project can you give a list of the parts needed for its completion.
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
You need to replace the oil in the compressor,it is hygroscopic,and therefore absorbs moisture!
At the entrance to the compressor, put the filter and will be very good!
Клим Ворошилов hi man I’m fridge engineer and thinking to make something like this but using receiver as a tank and I know the winding in compressor will be damaged by connecting to moisture.
Any idea
Thanks
will try myself.. thanks
@@kasra555
The refrigerant oil is hygroscopic and turns acidic when exposed to air. The acidity attacks the enammelled copper windings. If you replace it with an non foaming mineral oil, dont allow it to go over 100 deg C or exceed a 50% duty cycle you`ll be fine ;)
it don't matter that compresser will take to long to fill and never keep up..
@@kasra555 One more thing! The air flow in the sprayer must be greater than or equal to the air flow in the compressor! It is necessary to take into account the performance of the compressor always, and the oil in the compressor can be replaced by a conventional mineral, it is not hygroscopic and its viscosity is higher! From high pressure less oil will fall into the hose and will not absorb moisture! For painting this is important!
I like this...Jozz!!
muchas gracias por enseñar.
I was experimenting with an old fridge compressor. Attached a connector to it and connected it to the output of an old loud crappy compressor. The fridge pump got the tank up to 8bar quickly, so I replaced the old loud pump with this one. Now that is actually connected via the valve to the electric switch and safety stuff it's no longer pressurizing the tank.
The electric switch is hissing.
Is the switch malfunctioning or do they work by letting some air escape and are therefore not compatible with every pump? Can I fix this somehow?
i used to have one of those, although not nearly as elaborate. worked fine for years until the compressor locked up.
It locked up because over time the lubrication in the motor/compressor will escape up the pipework, never to return! A closed unit of this type loses lubrication up the pipework, but usually it returns to the unit. This is not possible when using the unit in this way.
robert till - There is another video showing the oil left in the compressor years later (and 1000 hours of use) was the same as what was put in. So the amount of oil in the air will be very very small. Of course you do want to replace it with mineral oil (baby oil for that nice scent)
Wow
me gusta el video es una asignatura pendiente, que en cuánto pueda me pondré manos a la obra
hello I have the main parts for this build I have a 2 port valve with electronic cut off what im wondering what's that. T piece you uses to connect the pump to the tank
It's a check valve. Air can only go from the pump to the tank and not leak back into the pump when it shuts off. The little squiggle tube that taps off of it and goes back to the unloader valve on the bottom of the pressure switch so when the compressor switch satisfies and shuts off the motor, air pressure is automatically dumped out of the line between tank and compressor so the motor doesn't have to start up against a pressurized line.
excellent Very good
A silent movie about a silent air compressor.
shut up....
Bro can u mention some items which was used in the video ?
Hello is an interesting project. I have one question, if the piston is not lubricated and works only on air, will it be exploited? Will it be durable?
ive got a lot to learn about fittings and which metals i can solder/weld/glue together
At about 9:33 you made it so it can not be taken apart. As well as what everyone else mentioned about safety issues.
when that tank is be full, tats engine stop automatic ? or
that black box on the top was the pressure regulator
@@danhard8440
Its a pressure switch and unloader ;)
Nice work, but how much SCFM?
With that size of compressor ..not much. Its a very small tank and it still needed a cut in the filming which should tell you the output is not that great ;)
Probably 2
Good job
I would like to know where to get the crimping tool that was used. :) Oh, cool compressor too!
scal92253 they are called ferrule crimpers
@@xXalexkablamXx thank you
Add/ weld a R134 fitting to that intake tube and you got a home made ac recovery system for cars.
great job👍a quick question, my compressor spreads oil. how do u stop it?
Nice...you should add oil feedback and replace the oil with mineralic oil because the ester oil will accumulate water
Good work
How does the compressor last if you're not running refrigerant through it that contains oil?
It doesn't.
If you have PAG oil in any other part of the refrigeration system than just the compressor, you have a severe problem on your hands. PAG is not supposed to leave the compressor, and the refrigeration system is designed to prevent this.
But that's irrelevant to these small pumpkin compressors used in refrigerators. The housing is about half filled with oil and the open motor sits inside the oil. The refrigeration lines are plumbed through the housing, but is sealed independently so the oil and refrigerant don't mix. here's a video of one being cut open:
th-cam.com/video/3Uwx-_VecHo/w-d-xo.html
It's perfectly fine to use a compressor like this as an air compressor, but not for continuous use unless you can actively cool the compressor housing to prevent it from overheating.
@@surfwidow You aren't going to find a completely silent compressor like this on the market for free or cheap. The only thing I can think of that comes close are for use in the healthcare industry and those things are thousands of dollars.
GGigabiteM - I am afraid if you watch the video you linked he explains and shows that the refrigerant is just “dumped” into the crankcase along with the oil. I understand everyone’s concern about the oil being pushed out, but the speed of the machine is so slow that this is not a concern. There is another video where a similar unit is replaced years later and all the oil was still in the sump. (There may have been a minuscule amount lost over time, but not enough to be a concern)
can I use this refrigirator motor as a vacoom pump?
After the "rattler" stoped i put a 1.25 HP used Kompressor onto that tank.also did one for a friend.third of half HPs take to long and no good for spraypainting.
it would've been nice if you listing all the parts and sizes needed
th-cam.com/video/MCAXZvYH9Nk/w-d-xo.html
Question. Must remove oil in compressor right? And do you use both vacuum lines as input air?
Genial
Yes, the fridge compressor is great regarding low noise but you will run into a major problem with water accumulating in the compressor and mixing with the oil in it and eventually producing a milky sludge and thus diminishing the lubrication quality of that mixture and sooner or later (probably sooner) burning out this nice and quiet compressor. Water in the adjacent pressure tank is not much of a problem as we can get rid of it in various ways, however, I don't know of any way to get rid of the humidity in the air that first get sucked into the compressor and it is that humidity turning into water once air compression commences.