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Re: Cheap vacuum pump
Original poster: "David Rieben" <drieben@xxxxxxxxxxxxxxx>
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" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Thursday, January 19, 2006 2:14 PM
Subject: RE: Cheap vacuum pump
Original poster: "Jonathan Peakall" <jpeakall@xxxxxxxxxxxx>
I'm not sure if it is a good 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" <ryker@xxxxxxx>
>
> 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
>
>
>
>