Hi Russ, You're a lucky guy!
But you've STILL gotta watch it when baking paint---the odours are something else... ~73~ Eddy VE3CUI - VE3XZ > I have an old stove in the basement- used to be used for canning > etc. the oven is never used for cooking food here, so- perfect for > baking transformers and paint hi. Russ. > > > > > > >>From: "Eddy Swynar" <[EMAIL PROTECTED]> >>Reply-To: [email protected] >>To: <[email protected]> >>Subject: Re: [AMRadio] Re: 500 Transformer >>Date: Wed, 12 Feb 2003 21:31:23 -0500 >> >>Jeff, >> >>Baking transformers behind the XYL's back is a CINCH---the REAL >>challenge comes when you're trying to bake on an enamel finish paint >>job on some enclosure that you sprayed earlier...! >> >>Even I must admit to doing such things REALLY early in the morning >>(when she's asleep), or when she's out on some errand! >> >>~73~ Eddy VE3CUI - VE3XZ >> >> >> >> >> >> >>----- Original Message ----- >>From: "Jeffrey J. May" <[EMAIL PROTECTED]> >>To: <[email protected]> >>Sent: Wednesday, February 12, 2003 7:17 PM >>Subject: Re: [AMRadio] Re: 500 Transformer >> >> >> > Hi John! >> > You mean that your wonderful xyl lets you use her oven! 68F here >> > today!..73..Jeff..W0XV >> > ----- Original Message ----- >> > From: "John Leer" <[EMAIL PROTECTED]> >> > To: <[email protected]> >> > Sent: Wednesday, February 12, 2003 6:24 PM >> > Subject: Re: [AMRadio] Re: 500 Transformer >> > >> > >> > > Regarding drying transformers etc. I have been drying transformers >> > > and chokes for quite a few years. I have used both electric and >> > > gas ovens with no apparent difference in results. I store my spare >> > > transformers >>in >> > > an unheated outbuilding and temperatures here in Wisconsin run >> > > from >>-20F >> > > to +100 so condensation can be a problem in many different >> > > devices. I first check the resistance from winding to core with a >> > > small hand held megger which applies about 1000 volts. I find many >> > > transformers and chokes will have an indication of leakage to >> > > ground after a year or so in storage. After baking for 4 hours or >> > > so at 200+ degrees and >>allowing >> > > to cool, the megger will indicate infinite resistance winding to >> > > core. >>I >> > > have found a something strange, to wit, if the measurement is >> > > taken >>soon >> > > after removal from the oven , the megger will still indicate a >> > > leakage resistance. Upon cooling the resistance will usually be >> > > infinite. The transformers with tar type potting seem to be the >> > > worst offenders at absorbing moisture. I assume this is due to >> > > cracking of the tar. John K9XH >> > > >> > > Donald Chester wrote: >> > > > >> > > > Be careful about using a gas-fired oven to dry out the >> > > > transformers. >> > Water >> > > > is a by-product of gas combustion, and the air will carry plenty >> > > > of >> > water >> > > > vapour. Better to use an electric stove oven. >> > > > >> > > > If you are in no hurry, bring the transformer into a dry, heated >> > > > >>room >> > and >> > > > store it there over the winter season. By the time you start >>cutting >> > off >> > > > the heat in the spring, the transformer should be well dried >> > > > out. >>It >>is >> > > > more effective to let the moisture gradually evaporate from the >> > > > guts >>of >> > the >> > > > transformer, just as it gradually condensed there when the >>transformer >> > was >> > > > in a moist environment, and there will be less likelihood of >>abnormally >> > hot >> > > > temperature causing deterioration of the insulation. >> > > > >> > > > Don K4KYV >> > > > >> > > > _________________________________________________________________ >> > > > Add photos to your messages with MSN 8. Get 2 months FREE*. >> > > > http://join.msn.com/?page=features/featuredemail >> > > > >> > > > _______________________________________________ >> > > > AMRadio mailing list >> > > > [email protected] >> > > > http://mailman.qth.net/mailman/listinfo/amradio >> > > >> > > _______________________________________________ >> > > AMRadio mailing list >> > > [email protected] >> > > http://mailman.qth.net/mailman/listinfo/amradio >> > > >> > >> > >> > _______________________________________________ >> > AMRadio mailing list >> > [email protected] >> > http://mailman.qth.net/mailman/listinfo/amradio >> >>_______________________________________________ >>AMRadio mailing list >>[email protected] >>http://mailman.qth.net/mailman/listinfo/amradio > > > _________________________________________________________________ > Help STOP SPAM with the new MSN 8 and get 2 months FREE* > http://join.msn.com/?page=features/junkmail > > _______________________________________________ > AMRadio mailing list > [email protected] > http://mailman.qth.net/mailman/listinfo/amradio
