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Old 04-12-2005, 06:56 AM
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should I buy this compressor?

Hi all!

I have found a used belt driven two stage (twin cylinder) air compressor with a 100Liter (26 Gallon?) tank for R500 (which is only $82). It needs some work, apparently the belt is slipping, and the current owner (a tool hire company) couldn't tell me what horsepower it is or it's output in cfm. They don't like to rent it out because people don't take care of it, they just want to get rid of it because it's just taking up space and gathering dust.

So, it's kind of an 'as is' deal. I don't have a compressor of my own, and unless I buy this one and fix it, I won't be buying one anytime soon. This one is going to cost me as much as 3 days rental, so I figure it's worthwhile for me to buy a new belt for it and have my own compressor.

What do ya all think? I'll try to find out it's HP, make, and cfm output.

Rich

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Old 04-12-2005, 07:34 AM
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I would be surprised if it's two stage based on the smallish tank size. You may know this already, but two cylinders does not equate to two stage. There are a lot of two cylinder pumps that are single stage.

That being said, for $82 you can hardly go wrong. You can always use it as a bicycle pump.
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Old 04-12-2005, 08:00 AM
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Now that you say that, I also doubt it's a two stage. I'm showing my ignorance here as I have to be honest, I did assume two cylinder equates to two stage, but now I know better, thanks.

It's probably no more than 3HP max in that case either. Well, it might not be ideal, but for the price, at least I'd have a compressor, or a rather bulky overpriced bicycle pump... I could pump a lot of bicycle tires even with a 23 gallon tank.

Rich
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Old 04-12-2005, 08:07 AM
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Tank size is irrelevant. HP and cfm is all important. As you state, it is likely a 3hp, 6-7cfm unit which is by far the most popular hobby compressor. Pretty good value for $82 assuming it doesn't need a lot of repair work but won't be adequate if you are wanting to run a spray gun or D/A sander.
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Old 04-12-2005, 08:33 AM
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I guess I also assumed it was two stage because of the fact it is two cylinder and belt driven. I kind of equated these things as features of a decent compressor, compared to the smaller direct drive single cylinder compressors I have been warned to stay away from.

So it's probably nothing special, just another small underpowered compressor, but I think I'll go ahead and buy it anyway just so I can feel one step closer to having a real hotrodders garage (a compressor is just one of those things real hotrodders have and I really want to be a real hotrodder ).

I can start collecting some air tools and use it to spray smaller parts. I wonder how long it'll take before I get tired of waiting for it to catch up with my tools though.

This is assuming I get it working of course.

How hard are compressors to work on or rebuild if necessary?

Rich
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Old 04-12-2005, 12:01 PM
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Quote:
Originally Posted by rlackey
I think I'll go ahead and buy it anyway just so I can feel one step closer to having a real hotrodders garage (a compressor is just one of those things real hotrodders have and I really want to be a real hotrodder).

How hard are compressors to work on or rebuild if necessary?

Rich
Regarding a rebuild, I would guess your problem is going to be finding parts. Mechanically I'm sure it would be something you could handle.

And regarding being a "real hotrodder"...I think with the project(s) you are undertaking you already qualify.

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Old 04-12-2005, 12:24 PM
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99% of the time all that is wrong with those little pumps is a broken stainless steel reed valve. Bottom ends rarely go bad.
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Old 04-12-2005, 03:35 PM
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Remember that compressor tanks can be rusted inside. They can be very dangerous if they explode. I would be leary of buying a used compressor if I didn't know it's age.

Roger
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Old 04-12-2005, 07:21 PM
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1. watch the inside of the tank- rust=bad
2. 100psi is about minimum for running air tools efficently (impact wrench, stuff like that)
3. I'm still learning also so listen to those who have been rodding and stuff longer than my feeble 17 years of rodding out of 19 being alive(I started with helping change spark plugs and putting pebbles in fuel tanks at age 2)
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Old 04-12-2005, 09:30 PM
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Quote:
Originally Posted by ChevelleSS_LS6
1. watch the inside of the tank- rust=bad
2. 100psi is about minimum for running air tools efficently (impact wrench, stuff like that)
3. I'm still learning also so listen to those who have been rodding and stuff longer than my feeble 17 years of rodding out of 19 being alive(I started with helping change spark plugs and putting pebbles in fuel tanks at age 2)
How about jambing wood splinters in the door key hole like my grand son did?
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Old 04-12-2005, 09:59 PM
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go to the place and tighten up the belt (if not too bad) and bring the most air consuming tool u have a 1/2 imact will surfice and see how it handles it a d/a will suck some air too dont be afraid to kick the tires before you buy something used cause once you pay the cash its yours if it blows up you can use it for a secondary tank for the new one you wanted to buy in the first place
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Old 04-13-2005, 02:56 PM
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I'd buy it. Have some fun with it. It might not be able to power bigger tools but for $82 you can always fill the tires up yourself at home, and power smaller air tools.

Quote:
Originally Posted by willys36@aol.com
How about jambing wood splinters in the door key hole like my grand son did?
Didnt he also scratch up a brand new paintjob on the Willys with a key? Thought that was you but not sure...



Mike
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Old 04-13-2005, 03:04 PM
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Great memory! Didn't scratch it with a key; he went clear around it with a blue Sharpe permanent ink pen. Luckily I had just waxed it so the ink rubbed right off with no effort. His mother was sick though!
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Old 04-14-2005, 01:27 AM
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Quote:
Originally Posted by willys36@aol.com
Great memory! Didn't scratch it with a key; he went clear around it with a blue Sharpe permanent ink pen. Luckily I had just waxed it so the ink rubbed right off with no effort. His mother was sick though!
Hearing things like this make me question whether I ever want kids.

Rich
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