Date:         Fri, 21 Aug 1998 06:30:49 -0400
Reply-To:     EMZ <vw4x4@FYI.NET>
Sender:       Vanagon Mailing List <Vanagon@vanagon.com>
From:         EMZ <vw4x4@FYI.NET>
Subject:      Re: R12 - Freon
Comments: To: Frank Terhaar-Yonkers <fty@CISCO.COM>
Comments: cc: Vanagon@VANAGON.COM
In-Reply-To:  <199808211015.GAA12286@claret.cisco.com>
Content-Type: TEXT/PLAIN; charset=US-ASCII

Is this the stuff they call FR-12? How did it compare
in temperature?


            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler


On Fri, 21 Aug 1998, Frank Terhaar-Yonkers wrote:

> Folks -
>
> I've been running the an R-12 (Autofrost) substitute all summer now and can
> report that it works just fine.  It's a bit more expensive that R-134 ($250 for
> a 25lb jug) but *no* conversion is required.
>
> - Frank
>
>  >Subject:      Re: R12 - Freon
>  >To: Vanagon@VANAGON.COM
>  >
>  >Yes, this is true, but the fact remains that r-12 is being phased out
>  >and will someday no longer be avail in The States.  Only recycled is now
>  >and it requires a special licence to be purchased.  It is now very
>  >expensive.
>  >
>  >FHerzig@swri.edu wrote:
>  >
>  >> Sorry folks, but the patent on Freon ran out long ago, sometime
>  >> before 1974. At NASA-Langley we had a wind tunnel that flowed
>  >> Freon rather than air and when the patent ran out, the cost to
>  >> supply the wind tunnel dropped in half because of competition.
>  >> Patents are only for 17 years (generally, some specific situations
>  >> can modify it slightly) and Freon has been around a long time.
>  >>
>  >> Frank Herzig
>  >> '85 Vanagon, with AC but took the compressor belt off long ago.
>  >
>
>
> \\\\////\\\\////\\\\\////\\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\
> Frank Terhaar-Yonkers
> Cisco Systems, Inc.
> Cat3900 Software Team
> 7025 Kit Creek Road  PO Box 14987
> Research Triangle Park,  North Carolina  27709
> fty@cisco.com   voice (919)472-2101   FAX (919)472-2940
>