part of what John Gladu (jgladu@bcm.tmc.edu) wrote: >I'm also looking at R406a - http://worldserver.com/ghg/ - (this is a >FANTASTIC site, with pros and cons clearly stated). >I went here mostly because I noticed that it was developed by George Gob[le] >at Purdue (who I respect, based on previous visits to his homepage - >http://ghg.ecn.purdue.edu ) . I never realized that he'd developed a couple >of alternative refrigerants. R406a and its brother R414a both use the >existing system (except for new fittings) and are compatible with the old >mineral oil lubricant. So what's the drawback? They can go right through >some hoses (require nonpermeable hoses), and, according to one of the sites >I visited, the permeable hoses are quite common on foreign vehicles. They >are also not campatible with Buna-N seals in the compressor (they make a >replacement kit that uses Neoprene seals) and we'd have to check with VW >whether the hoses and seals are "good" or "bad" for using these >refrigerants. Otherwise, they claim to have equal or better cooling >characteristics to good ol' Freon (R12). George Goble posts to the newsgroups <rec.autos.tech> and <sci.engr.heat-vent-ac>; search DejaNews (http://www.dejanews.com/forms/dnsetfilter.html) for author ghg@worldserver.com to read what he has recently posted on this subject - the articles are to long for me to quote them here. Also check out these URL's which have bulletin board forums: http://www.aircondition.com http://www.maxcool.com -- b h k
|
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.