[ale] WAY OT: Air tools?

[Mike Lockhart]

While I wholeheartedly agree on the size of the hose, but length and
bends really don't matter much.  In the shop I work in on weekends, we
have an 80gal. compressor that hooks into the air distribution line,
which runs the entire perimeter of the shop (150'x80') in a circular
loop, and multiple bends (we have to go around breaker boxes, the
office, etc), and has a connection point every 20'.  All our air lines
are 35'.  We've never had an issue with pressure, even when 3 people are
hooked in at once using tools.  The difference with our setup is that
there are no pressure valves until you reach the connect points, so the
pvc pipe that makes up the distribution line is always charged.

On Mon, 2003-02-03 at 18:06, Christopher Ness wrote:
> On Monday 03 February 2003 10:59 am, Robert L. Harris wrote:
> .  The compressor had plenty of
> > preasure and the wrench was hitting just not very hard it seemed, I
> > tried the dial on the bottom of the wrench, no change.
> 
> OKAY - Here's the scoop. It is not the pressure that is the problem. It is the 
> CFM. You are undoubtedly trying to use a 1/4" hose and fittings. Do not use 
> 1/4" for anything other that a two foot stinger connecting your main hose to 
> the wrench.. Use at least a 3/8" hose and better yet, a 1/2inch hose. You 
> still want to keep it as short as possible. If you must do a longer run use 
> pipe with as few 90's as possible. Fluid friction will do you in.
> Yes, I know that it is much easier to get 1/4 inch and cheaper too, but it 
> will not deliver the CFM - and an impact wrench is one of the biggest 
> consumers of pressure.
> -- 
> Chris Ness
> mailto:cness at earthlink.net               All jobs are equally easy to
> http://home.earthlink.net/~cness           the person not doing the work.
> 			   			    Holt's Law
> 
> 
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