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Air Compressor

I just found this site a week ago and thought somebody might like to check out a brand new homemade, and a rebuilt modified. I made the older one for a buddy of mine about a year ago. The new one sports a 12 horse Honda from a generator, a dual stage pump from (Chicago Pneumatics,I think)5hp min., and an old 250 gal. LP gas tank. Havent fired it off yet, but will try to get some video on it when I do. The old one will go from 0-150lbs.,in about 2.5-3min!

Topic by turn-n-burn    |  last reply

curtis air compressor?

I have a 1925 Curtis Air Compressor and we are rebuilding it to be a working show piece. The General Electric Motor is  running the Curtis Compressor, and we need the manual of the motor/compressor/tank or all of the Information about it that we can get ahold of so it can be rebuilt  to the exact color, wiring , ect, so we can put it back to its' original  origin. Here is the information from the plate that was barely  readable. We had to remove to plate and put it under a lighted magnifying glass and this is what we managed to get from the plate. >> >> GENERAL ELECTRIC MOTOR  1.50 - HP >> GENERAL                                 ELECTRIC >> REPULSION - INDUCTION - MOTOR >> MODEL: 5SCR224 C 53     FRAME - 224 TYPE - SCR >> CYG-60   SINGLE PHASE                     SPEED EJ 1760 >> VOLTS 110@15.0 AMPS       VOLTS 220 @ 7.5 AMPS >> SERVICE FACTOR >> 1.50 HP CONTINOUS                    LN 5890 >> THE CURTIS COMPRESSOR   Size:   3X3.50 No:   LB428A PAT. AUG. 31-1915   NOV. 30-1915  NOV. 14-1916 NOV. 8-1921    KEEP BASE FILLED BETWEEN HIGH AND LOW LEVEL OF OIL WITH GOOD AUTOMOBILE CYLINDER OIL. CLEAN OUT BASE ONCE A YEAR. RUN AT LEAST 250 REV: PER MIN. MANUFACTURED BY CURTIS PNEUMATIC MACHINERY COMPANY ST. LOUIS USA    Q-82  Any thing about this compressor would be helpful. you can e-mail me at:

Question by eljero    |  last reply

Manual air compressor

I had this idea just drop on me a few minutes ago and I was wondering if anyone could give me some feedback on if something like this would be feasible or not. Also if anyone thinks it's a good idea just go ahead and build it because I dont have the tools or space for something like this in any case. The idea is to have some sort of tank with a large internal volume, cut it of at the top and arrange a sort of secured piston with a heavy weight on top, attach it all to a frame so that the piston stays level and secure. The piston with the weight on can then be connected to a multi-stage pulley system to allow one to lift the  heavy weigth, sure it would take a long time but for a manual air compressor it should be feasible Then at the bottom of the tank one would have a high pressure release valve with some sort of standard connector for transfering the compressed air to a sort of pressure tank for use. I never saw anything like this before, although I'm sure someone must have done it at one point or another. So what do you all think? Any input?

Topic by wolty    |  last reply

Air Compressor RPM? Answered

I found an old cast iron 50 + year old 2 stage air compressor and I was wondering what RPM's I should run it at.  My dad says it is running much slower than he remembered and it is going 323 RPM's compared to the original gear ratio that would have run at 269 RPM's.  That should be dramatically faster, so could going too fast decrease performance, or something, or is there a reason the original motor may have slowed down? The RPM's are a complete guess based upon the 1725 RPM motor average.  The only reason I had to change pullies was because the original had FLAT BELTS (awesome) from back when people cared and build stuff right.  Now I have a v-belt on it and the compressor pulley wobbles by like 2 inches and the thing is out of line, but these shouldn't be slowing it down. Basically I need to know what RPM's I should be running the compressor at. P.S.  It can double as a vacuum  pump and it uses old fashion check valves!

Question by    |  last reply

About air compressor?

I need good explanation on how air compressor works, parts of a compressor, how to calculate pressure of air required to lift loads . please help.

Question by mano.lingam.3    |  last reply

Engine to Compressor? Answered

I am planning on making a very high volume compressor from a small engine.  I plan to adjust timing and stuff accordingly.  I just wan't to make sure an engine can handle the pressure.  I assume it can because of the explosions it can contain but I just want to be sure it can handle 125-200psi.  And also, is 2 stage really necessary or can I just push all the air in in one stage with a couple pistons.

Question by    |  last reply

Air tank testing

I have recently acquired a 25 litre compressor on which the motor was seized so my plan is to replace the motor and pump with a couple of fridge compressors however the tank is more than 10 years old and although I cannot see any damage is their anyway to check it is safe to pressurize to 8 bar? it has 175PSI stamped on it so I assume its designed with that as the maximum working pressure but I want to know if I can get it checked as I don't want to blow myself and my garage apart if it bursts I'm in the UK

Topic by patrickshadow    |  last reply

flywheel pulley size?

I need to know what size compressor flywheel pulley to use for a 3450 rpm motor compressor 1500 rpm dia. 13 3/4"

Question by block1102    |  last reply

need air compressor help Answered

I have a air compressor that uses a car cigarette lighter for power is there any way i can convert it to use a house plug?

Question by fidgety2    |  last reply

Propane in air compressor hose

Does anyone know how a regular (150psi rated) air hose will stand up to propane? I'm curious as to whether it would dissolve it.

Topic by Hegemone    |  last reply

Air Compressor/Vacuum Pump

I have a theory: You have your supply of compressed air. You connect that by hose to one branch of a y-connector. The other branch is connected to a hose that goes into some sort of fluid that you want to move from one vessel to another. The trunk of the y is your exhaust (in theory). So now I give, say, 15 psi out of my air supply and that shoud drag my fluid out of its vessel through the y connector to the destination of my choosing. Would that work?

Topic by flagrantfouler    |  last reply

What's the best way to create wind/air?

I'm looking for a controllable source of air/wind that is very responsive for an art project. I could take the air compressor route, but is too expensive and loud for my needs and fans aren't responsive enough and air pumps for fish tanks don't have enough power. Any thoughts?

Question by randyng    |  last reply

has anyone experimented with a homemade gunnite (concrete applied with air pressure) machine?

It cant be too different from drywall texture spray rigs.

Question by firehazrd    |  last reply

how do I make a air brush compressor from fridge? Answered

Hi, how do I make a compressor to run a air brush spray gun from a fridge compressor,  Iv'e taken a compressor from an old fridge, which  of the pipes do I need to block?  Any help appreciated         micky g 

Question by mickyg88    |  last reply

Is there any projects do do with an old compressor??? Answered

I have a old Campbell Hausfeld that wont compress air I would like do do something with it instead of thring it out. Any ideas???

Question by west49rules    |  last reply

small and quiet air compressor for a single pipe organ pipe?

I've got a 2m long pipe (that I can blow with my lungs). I want to make it into a doorbell but don't have a compressor. I tried a car horn compressor but it is so loud that it totally drowns out the pipe! Any other ideas?

Question by matthewvenn    |  last reply

how can i make step by step, a homemade air compressor?

I would like steb by step informations because i haven t done it again and i am not a pro

Question by panther54321    |  last reply

what would be stronger to use a air compressor or and air tank?

Im doing some random research on air muscles....say i wanna make about 640 air muscles and wanna power them at the same time (not actually gunna do that) what would be stronger a air compressor or air tank? and how much psi would be needed to inflate all of them at the same time?

Question by Newbie216    |  last reply

Spring powered internal air compressor

Hello everyone, I've come here for some help on designing a PVC-based air tank. I'm planning on building a pneumatic cannon that I can charge once and use to fire multiple short bursts of air. To do I decided to have two tanks -one large tank acting as the main tank and a local tank with a much smaller volume fed by the main. My problem is that I want to squeeze out all the air I can from the main tank, and I'm not entirely sure what the best way to do that would be. My current design uses a spring behind a wooden plunger so that as the volume of compressed air drops, the spring can extend and restore the pressure. (Image attached for clarity) Can anyone spot potential problem areas or places that could be improved?

Topic by Ninja Togo    |  last reply

Could i convert an air compressor into a Diesel Engine ??

I've heard its possible to convert a small compressor into a diesel engine ?? could someone post some info on how to do this or point me in any direction ??

Question by stephenniall    |  last reply

What should I need to know before I buy an air compressor? Answered

I understand that one advantage of air compressors is the number of tools that you can adapt to them. I would like to know the difference between an oil free air compressor and another. What size air compressor is perfect for home shop use? Thank you in advance for all your help.

Question by blkhawk    |  last reply

Can You make High Pressure Water Washer with an Air Compressor?

Hey Guys, Any one have experience with fluids? Is it possible to build a device that would take high pressure air from an air compressor and from that make at least a mediocre respectablely powered washer? I'm thinking about buying a small air compressor and and looking to see if i can use it for other things as well. Thanks! JP

Topic by jpl500    |  last reply

Would an 12V air compressor be enough to power a pneumatic rifle?

Although I have a larger air compressor available I was wondering if a more portable 12V would be sufficient

Question    |  last reply

Is there a way to make an air compressor that plugs into the wall run off of alkaline batteries? Answered

Is there a way to make an air compressor that plugs into the wall run off of alkaline batteries?

Question by CapnTac    |  last reply

How to use an Compressed Air tank?

I am new to compressed air tanks. I need some details about them. (For an air car actually) 1. How to refill a 4500 psi air tank. 2. How do I know the pressure of air comming out . ( Most Important) Can anybody please provide me a schematic drawing on how do I connect the air tank, the pressure gauges (Gauge 1. which shows the pressure and amount of air in the tank and Gauge 2 which shows the pressure of air comming out)  and the compressor with the copper tubes. I read on a site formula for power of an air engine is HP= PLAN / 33000 where P. Mean effective pressure in pounds per square inch. L. Stroke in feet. A. Piston area in square inches. N. Number of power strokes per minute. How do I get value of N for the formula. Thanks for any help.

Question by flyingdutchmen1659    |  last reply

Building a Jet Pack or rocket belt for one man VTOF using compressors and blow guns?

I would like to build a Jet Pack to lift a man off the ground to fly . I will be using blow guns with an inlet pressure of 1800 PSI and a Flow SCFM 3624 . This should give a thrust upto about 288 Lbs for lift off .what lightweight cold Air compressor could I use / Air boosters or Air Amplifiers etc ? .Being connected to a very heavy Industrial compressor also considered , because I could still achieve take off, but is 3rd best answer .website video :

Question by Nicepolicy16    |  last reply

A/C Compressor Lubrication Help? Answered

I am almost completed an A/C compressor compressor.  I wanted an air compressor, and I decided to build one from an A/C compressor.  Before I finish it up, do I need to have some oil being fed through the system and separated before the tank, or can I run it straight with just air coming in and no oil? Thanks

Question by Electric Spectre1    |  last reply

Hurricane balls and tornado ball with air compressor

This is a video of me spinning up hurricane balls with an air compressor. I have gotten them faster (I estimate this run got up to about 10,000rpm) but it is still very cool. The second part of the video is some random thing I made when I was bored. It just spins a marble really fast inside the container. I know it's not very exciting :P haha please comment and rate! hm...the video won't embed so just go here.

Topic by Electroinnovation    |  last reply

How can i build a Scroll air compressor out of scraps and cheap material and power it from renewable energy ?

How can i build a Scroll air compressor out of scraps and cheap material and power it from renewable energy ?

Question by FeteLeToiMeme    |  last reply

Net Gun

Hey instructables, I haven't been on in a while but I am back and looking for someone to give me some advice. In my class, we are playing a castle crashers type game where we have to design a device that will remove all of the foam blocks from the area provided. I came up with an idea that utilizes air pressure to propel the net forward with a decent amount of force. However, I am running into an issue in finding a feasible way to store the pressure provided from me pumping a bike pump, and releasing it to propel the net. I was interested in using a rubber bladder to contain the air pumped into it, and releasing the air on command (start button). I can't use an actual compressor unit as it must be human or battery powered, and it must fit in a 2'x2' space and can't reach more than 5' tall. Any ideas as to where or how I might create a bladder would be greatly appreciated!

Topic by piddle01    |  last reply

Recommendations for safe pneumatics?

I'm looking for a pneumatic setup for an air tank and a blow gun that is safe enough to use around school kids.  I want to provide pneumatic feedback to give the sensation that they were hit by a small gust of wind.  Safety is the foremost concern on this.  What size tank, psi, and regulator should I use?  Also can this small 'gust of wind' be controlled from a USB port?

Question by codingJoe    |  last reply

Air compressor set-up/not just for cars

Ive got all the fixns<need to run aroun 10x12 garage

Question by DOCCRASH  

Reuse, Repurpose Instructables Ideas for Air Compressor

I came up on a broken air compressor where basically it is a functioning electric belt driven pump.  Does anyone have any suggestions what I can do with that thing? It also has the mini tank with it. 

Topic by Chingasman    |  last reply

Can I use empty gas cylinder to collect air supply for flat tyre at some remote place

I have a car with flat tyres in a remote place. There is not vulcaniser nearby. Can I improvise an empty gas cylinder to collect air supply for flat tyre at some remote place

Question by sykephil    |  last reply

Can I use a hydraulic pump for air? Answered

I am looking for a high pressure pump (3000-4500) psi.  I finally got the idea that I could use a pump like this: Hand Pump  I think they have a built in reservoir but I think I could pump into it at around 100 psi from a pre-compressor.  Will this work or can it not pump air. Also, would it need oiled because it doesn't have the oil flowing through.  Just so you know I wouldn't be pressuring a vessel to 4500 psi by hand, I would rig up a motor for this.

Question by    |  last reply

What fittings can I connect together (building an air compressor) ?

Hi, I'm building an air compressor out of fridge compressors, propane tanks and NPT fittings from ebay, everything was cool until I received a check valve I ordered before all the other stuff (because it was from another seller so no need for a group order :) for one item). So I ordered a 1/8 female/female check valve (one way valve), and I measured the diameter with calipers, and it's not 1/8" (3.2mm) but a lot more, which makes sense, 3mm would be really tiny so now I don't understand how all of that works here are the fittings that will compose the system (those are 1/2 I guess but I will order 1/4 and 1/8 as well to make the complete circuit (around 20 fittings total): here is the check valve I already ordered (1/8 BSPP): I also noticed the valve is linear while the fittings appear to be the shape of a cone, will it matter ? Thanks in advance for any help ;)

Topic by nazmo76    |  last reply

Please help, need advice for installing engineered hardwood floors?

Hi, I recently purchased some 3/8th Bruce engineered hardwood flooring, and was planning on purchasing a staple gun to install the flooring (like I needed a reason for a new toy!), what gauge stapler would you all recommend? Bruce doesn't have specific instructions, it just says the staples should be at least 1 inch long.  I've heard if you buy too big a staple (15.5 gauge), it will cause issues with bumps in the flooring, but I'm afraid if I get too small a staple then it may not attach properly. Please help! As a side note, how big an air compressor would you all recommend?  I was planning on getting a 6gal, 2.6 scfm at 90 psi compressor, and just want to make sure it will have enough power.

Topic by JMH renovations    |  last reply

I need a compressor that can blow up balloons VERY FAST what compressor is best to do this?

I tie balloon for kids for free. I believe kids need a break and so I have a saying; put down a beer to spread some cheer. I tie all my balloons now for Free using all my money I use to spend on booze. Can someone help me find a compressor that has a VERY high CONSTANT output to blow up hundreds and hundreds of balloons> I did have a King Canada compressor 4 gallon model. I can blow faster than it can, almost. But not efficient. Would any one care to take a stab at helping me? The season is gettnig busy and I have many kids to tie for. A HUGE FOLK Festival FULL Of hundreds of kids and tons of balloon displays to blow up round balloons to do a dazzling display is coming fast. Plus the Ride to Conquer Cancer is coming up and many World Championship races that I announce at. There are many cycling Championships I attend and people that count on me to do some dazzling displays for kids. I also go to skate board parks to tie balloons too! FREE for the rest of my life to help kids be happy and teach them to choose smart. I hope someone knows or can steer me right. Thanks so VERY SINCERELY ! Crazy Larry Banff,Alberta Canada

Question by Crazy Larry    |  last reply


Why does an AC of 1.5 Ton with 1 to 5 Star rating differ in power consumption though they all have the same compressor. I fail to understand how a 1 Star AC consumes more current than a 5 star rated AC?

Topic by Dipankar    |  last reply

what can i use as a portable compressed air source for my homemade pvc paintballgun?

I saw lots of instructables and decided to make 1.... but was limited to non portable air compresser so cant play a paintball fight or something:S

Question by mohammedbsat    |  last reply

How to convert a gas powered air compressor to electric?

I have an old gasoline engine powered, belt driven air compressor on which the the engine no longer works. Does anyone know of a way to convert it to an electric compressor I can use in my shop? I'm guessing I could remove the engine and use an electric motor, but am not sure how to make the motor shut off when the tank reaches pressure, how many rpms the motor needs to do, or even what kind of motor I need to look for. Thanks for any help you can give me!

Question by WMProgram    |  last reply