

| Subject: | Re: R12 - Freon |
| From: | Frank Terhaar-Yonkers |
| Date: | Fri, 21 Aug 1998 08:07:07 -0400 |
I'm not sure of the nomenclature (FR-12 etc), they make a couple of different products and this is the stuff that's a direct R-12 drop-in substitute. As for temp, I haven't actually measured it, but it *seems* just as good as it was when there was full charge of R-12. - Frank >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 >> > \\\\////\\\\////\\\\\////\\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\ 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
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