Howdy,
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...
Mark
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