I happen to own the Champion compressor and its awesome. The thing
easily keeps up with my blasting cabinet, comes on for a very short
while and shuts back off, very short cycle time while blasting which
keeps the heat down. Keeping the heat down helps with the moisture in
the lines. And the 805RPM is QUIET, I can work in the middle of the
night and not wake up the neighbors as long as the garage door is closed.
My previous compressor was a 60gallon Craftsman 5HP airless compressor
and while SEARS calls them oilless, they really are airless compared to
the Champion. I burned up the first one in 2 weeks while blasting and
they replaced it, the second one seized up after a 2 months, rebuilt it
and sold it ($50 because that is all I felt it was worth). This
Champion is worth every penny to me and I would no longer consider the
less expensive compressors but you have to figure out how much air you
need. You mentioned blasting, that is a large air use and you need to
realistically think of how often and how long you do that. The other
thing is you need to figure out how much money you have left over
because once you have a quiet and reliable air supply you will be buying
more air tools :)
I would be more concerned with CFM than I would be pressure, I limit my
air lines to 125psi in the garage and rarely go above 100 on anything
anyway so either compressor will do the job when it comes to PSI.
Mark Andy wrote:
> Whats the deal with single vs. dual stage compressors?
> I've long been thinking that I'd want to get a decent 60 or 80 gallon
> two stage compressor when I upgrade next. But I was reading the
> recent TP Tools thanksgiving sale flyer and they had some listings for
> High output single stage compressors.
> One in particular was $650 and has a working pressure of 95-125 psi,
> with 16.5 cfm @ 90 psi (Eagle brand three cylinder 5 hp running, 23A
> at 230VAC, 7hp peak, 60 gallon). No spec on pump rpm.
> That's as compared to $1300 for a Champion 5hp two stage, @19.1 cfm
> @125 psi, 22A @230vac. The pump rpm on this one is 805rpm
> I realize that 19.1 cfm @ 125psi is more air that 16.5 cfm @ 90 psi,
> but would I ever care about that? I'm going to be a single user using
> normal air tools like cut offs & body sanders, plus a blast cabinet,
> perhaps painting a car, etc.
> Currently I have a Craftsman direct drive single stage that says it
> does 7 scfm @ 90psi... That thing won't keep up with a cutoff very long.
> Half price is pretty attractive if it'll do what I need it to do...
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