Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!apple!agate!shelby!msi.umn.edu!noc.MR.NET!uc!nachos.SSESCO.com!elmquist From: elmquist@nachos.SSESCO.com (Chris Elmquist) Newsgroups: sci.electronics Subject: Re: incandescent light bulb life extender Message-ID: <282@nachos.SSESCO.com> Date: 6 Dec 90 22:47:25 GMT References: <58335@brunix.UUCP> <1990Dec4.113531.10096@csc.canterbury.ac.nz> <1990Dec4.042524.14018@ux1.cso.uiuc.edu> <30670@boulder.Colorado.EDU> <10183@pogo.WV.TEK.COM> Organization: none Lines: 28 In article <10183@pogo.WV.TEK.COM> bobt@pogo.WV.TEK.COM (Bob Tidrick) writes: [ some stuff about envolope thinkness deleted] > >A thicker envelope will reduce the amount of oxygen that assimilates through >the glass to the filiment. Charging the envelope with an inert gas such as >argon further extends the life of the bulb. This sure makes sense to me... >From my experiance light bulbs are engineered to have a limited life. This makes even more sense... >is basicly the same. There is only a few cents more material. I think we are >getting ripped off two ways here. Yup.. So, where do we find thick enveloped, argon filled incandescent bulbs? I am on the "light-bulb police" in our local condominium association. We are replacing outdoor bulbs like crazy. Sure would be nice to find some longer life units. The 10000 hr rating on these bulbs is at least a magnitude too high. Chris -- Chris Elmquist, N0JCF Internet: elmquist@SSESCO.com AMPRN: N0JCF@WB0GDB.MN.USA.NA BellNet: (612) 785-3516