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Old 05-16-2007, 11:40 AM
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Home built air compressor

Built this using a sears 30 gallon tank that had a weenie little pump on it. I used a HF pump and motor which I got on sale and some pipe fittings which I had and now have a compressor that runs all the tools I need to run..

Sam
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Old 05-16-2007, 12:41 PM
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A guy I know that runs a local dairy farm bought one of those pumps last year, well the earlier all cast iron version anyway, and that thing works darn good for the $99 he paid for it, heck it works darn good at any price. He mounted it on a 60 gallon tank from a dead CH compressor and used a Marathon 23 AMP 5 HP motor with the pulley from the 6 1/2 "peak" HP motor (3 1/2 HP actually) and the pulley that came with the pump. This thing appears to put out about 14 CFM at around 90 PSI which is not bad at all, a bit of guessing using crude measurements on the CFM but I am sure it is real close.

Another good pump for a replacement on the VERY popular 60 gallon 15 AMP (regardless of the HP "rating") compressors such as the CH and similar is this DeVillbiss from Surplus center for $99 dollars also. I have one of these sitting in the garage right now still in the box that I ordered for a fellow as a replacement on another CH 60 gallon and it appears to be a simple bolt on exchange.


http://www.surpluscenter.com/item.as...-1761&catname=

BTW that is a nice neat job you did on that thing

Last edited by oldred; 05-16-2007 at 12:52 PM.
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Old 05-16-2007, 12:58 PM
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This one pumps all day long and never gets warm..I have a 3hp motor on it with a 3" pulley and the 14" pulley on the compressor..Turns the compressor at about 730 rpm..i have no clue as to CFM but it does hold 60 psi with my airsaw wide open and the trigger held down..spray guns work just fine..

And thanks..

Sam
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Old 05-16-2007, 01:17 PM
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Quote:
Originally Posted by OneMoreTime
This one pumps all day long and never gets warm..

Sam
Aluminum pumps do run a lot cooler than cast iron they work really good and seem to hold up just fine. Some of the "brand" name outfits, such as Rol-Air (very good pump), use all Aluminum for their single stage pumps because they run cooler.
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Old 05-21-2007, 06:38 PM
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Bought a pump? Thats not homemade, cheater.

I made my compressor from an old lawnmower engine. Pop out the tappets, replace valve springs with lighter duty springs and scrap head. Raid scrap bin for plate, layout bolt holes, make check valve and fitting. Bolt onto cylinder. Remove flywheel, bore pulley to specified crank taper, install. Assemble with 1 old farm duty motor and ta-da: homemade air compressor for el'cheapo
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Old 05-21-2007, 06:47 PM
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Innovation!
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