Tom Evans <[EMAIL PROTECTED]> made an utterence to the drakelist gang ---------------------------------------------------------------------- This site seems to have the original Drake instructions. It describes them as "'PTO Braid Modification' to cure frequency jumping problems, as directed by R. L. Drake, Ohio"
http://www.alg.demon.co.uk/radio/tr7/mods.htm#10 -Tom, AG9X On Wed, 23 Feb 2005 19:58:26 -0600, Tom Evans <[EMAIL PROTECTED]> wrote: > Mike, > > One of the Drake-supplied mods I performed on my rather early TR-7 > was to add a braid to the PTO. > > See http://www.wb4hfn.com/DrakeArticles/TechTips/PTO-Repair.htm > > See if yours is missing the grounding braid. > > -Tom, AG9X > > > On Wed, 23 Feb 2005 18:34:49 -0500, Mike Williams <[EMAIL PROTECTED]> wrote: > > Well, here is the problem...The Tr7 is solid with the exception of a slight > > warble in the receiver. When sitting on a frequency listening to a cw > > signal or just tuned to the calibrator, the frequency will shift perhaps 80 > > or 100 cycles. Enough to be audible and annoying. This started shortly > > after I cleaned the main shaft of the PTO with De Oxit and followed up with > > a clean q tip to remove the residue. I have cleaned the PTO's on my 4 line > > many times and not experienced this. I think it is the PTO but I thought I > > would throw this one out to the group for comments and advice. > > > > As always, thanks for any input! > > > > Thanks, > > > > Mike W4DL > ---------------------------------------------------------------------- On Behalf of Tom Evans <[EMAIL PROTECTED]> Submissions: [email protected] Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body Hopelessly Lost: [EMAIL PROTECTED] - help in body of message Zerobeat Web Page: http://www.zerobeat.net Brought to you courtesy of TLCHost.net http://www.tlchost.net/ ----------------------------------------------------------------------
