[TheForge] Air cylinders

Mon Jul 15 07:30:00 2002

        Shannell, 2 1/2" is about right.  You'd need to put a spring in the
top of the cylinder for oil return as the portapowers are single direction
oil flow and then you just release a valve to allow oil to return to the
pump reservoir.
        I'm sure something could be put together to make one up.  They are
pretty cheap at Harbour Freight and places like that though.

Ralph


----- Original Message -----
From: "Shannell Sugrue" <[email protected]>
To: <[email protected]>
Sent: Thursday, July 13, 2000 5:32 AM
Subject: Re: [TheForge] Air cylinders


> Speaking of portapowers, Ive been wondering if these are something you can
> build yourself. Ive only seen one in use once, years ago. Is the valving
> something you can buy off the shelf? or make?  whats the usual cyl size ,
> seemed to me about 2.5" or so.
>
>
> >         Another question for you would be:  Are these the folks that
make
> > the Blackhawk porta powers for body work?
>
>
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