"Ron Baker" <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- Garey, about 30 to 45 seconds is all the time it took. Ron
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Garey Barrell Sent: Tuesday, April 29, 2008 5:16 PM To: Drakelist Subject: Re: [drakelist] TR-4 TX Hang-Up Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang ------------------------------------------------------------ ---------- Ron - That's a NEW one! :-) How long did the relay have to be energized to generate enough heat? Garey [EMAIL PROTECTED] wrote: > I saw once where the relay iron core was expanding do to the heat the > coil generated around it, which to this point is normal. But in this > case as the core expanded it shorted against a bare coil winding. > The core itself being at ground potential, when shorted against the > coil winding provided the ground path to key the relay. Once the > relay was unkeyed by removing power, it cooled, and worked again as > normal until it heated up again. So don't put aside the > possibility of a heat related problem in the relay itself. > > Ron / WB4HFN > > ------------------------------------------------------------ ---------- Submissions: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body Hopelessly Lost: [EMAIL PROTECTED] - help in body of message Zerobeat Web Page: www.zerobeat.net - sponsored by www.tlchost.net ------------------------------------------------------------ ---------- ---------------------------------------------------------------------- Submissions: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body Hopelessly Lost: [EMAIL PROTECTED] - help in body of message Zerobeat Web Page: www.zerobeat.net - sponsored by www.tlchost.net ----------------------------------------------------------------------
