Re: Cheap vacuum pump

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Ben McMillen <spoonman534@xxxxxxxxx>

If anyone's looking for a good pump cheap, I've got one lying around 
that needs a motor. I believe it's made by Varian, but I'll have to 
check. The motor windings are burned from what looks like moisture 
(someone probably let it get wet) and instead of replacing the motor 
the just bought an entire new unit (that's research for you)..

The motor looks pretty standard, so it shouldn't be hard to replace 
if you've got a junk pile like mine ;)

If you're interested then contact me off list and I'll get you some 
pictures so you can get a better idea of what you're dealing with.. 
This thing's been sitting around for about a year now and I'm tired 
of tripping over it..

Coiling In Pittsburgh
Ben McMillen


Tesla list <tesla@xxxxxxxxxx> wrote:
Original poster: "David Rieben" < drieben @midsouth.rr.com="">

Jonathan, all,

Agree with you there, though not fully for the same reason.
Tires are generally made of oil-resistant neoprene rubber
so I don't think the oil would be the biggest issue here. How-
ever, fridge compressors are designed to pump relatively
high pressure but not too much in the way of volume. I'm
not too sure what the CFM volume rating is on a typical
refridge compressor but I'm guessing that it would take a
WHILE to inflate a fully deflated 35 PSI rated 16Rx255 tire
on the rim. May be ok for inflating touring bicycle tires, but
probably not for most motor vehicle tires. ;^/

David Rieben



----- Original Message ----- From: "Tesla list"
To:
Sent: Thursday, January 19, 2006 2:14 PM
Subject: RE: Cheap vacuum pump


>Original poster: "Jonathan Peakall"
>
>I'm not sure if it is a g ood idea to inflate car tires with a fridge
>compressor. The two I have played with as vacuum pumps blew some oil out the
>exhaust, and oil in your tires ain't good.
>
>Jonathan
>
>www.madlabs.info
>
>
>
> > -----Original Message-----
> > From: Tesla list [mailto:tesla@xxxxxxxxxx]
> > Sent: Thursday, January 19, 2006 10:35 AM
> > To: tesla@xxxxxxxxxx
> > Subject: Cheap vacuum pump
> >
> >
> > Original poster: "Gates"
> >
> > Hey gang
> >
> > Just a little note, I saw a posting that read vacuum pumps are
> > expensive some time ago.
> > To remove those nasty air bubbles from home made caps.
> > If you have an old fridge laying around before sending it to the
> > dump pull the compressor out of it.
> > Most refrigerators are thrown out do to a Freon leak but the
> > Motor(compressor/Vacuum pump) still works.
> > If the compressor still works it makes a good vacuum pump and not to
> > mention a nifty little compressor to pump up your car tires.
> > Just cut the copper lines leaving two inches attached to the
> > compressor one is the pressure line and one is suction.
> > Just a money saving tip.
> > Gates
> >
> >
> >
> >
>