Quote:
Originally Posted by Northy
Richy,
Can you give us a few more details on how to make one? 
G |
Hi G, best thing to do is a google search for home made compressors.
But i made mine like this:
Obtained a working fridge motor/compressor from an old fridge, a small Calor gas bottle, an on/off pressure switch from an old compressor (these are available new for little money), and a water trap.
I cut 2 lengths of some steel section i had kicking about and welded the gas bottle to them and then bolted the compressor on behind it. You need to power up the compressor and find out which pipe is the outlet, and run a rubber pipe to the inlet of the gas bottle (i screwed a tail barb into the non return valve in the top of the bottle).
Drilled and tapped a hole in the top of the gas bottle to fit the pressure on/off switch and fitted that, and this allows you to set the cut off point for the pressure.
Added a water trap from the outlet of the pressure switch, and voila!
one thing to note is the non return valve in the top of the gas bottle must be retained to stop prevent there being pressure in the pipe from the compressor to the tank, or the compressor wont retart when tank pressure drops.