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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for taking care of the planes my brother flew (even though “his” were in the RAF) !!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have had a relay die. Symptoms were as you describe, although your case is complicated by the slipping in and out, which does not sound like the relay.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Bottom line: relays can fail and it is a simple and inexpensive thing to replace which does not require pulling the tunnel again.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Andrew Uprichard<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Triumphs [mailto:triumphs-bounces@autox.team.net] <b>On Behalf Of </b>TERRY SMITH<br><b>Sent:</b> Sunday, July 23, 2017 5:38 PM<br><b>To:</b> triumphs@autox.team.net<br><b>Subject:</b> [TR] Yeah, I know, the Overdrive...Again....<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>So the overdrive worked great on the day after I adjusted the linkage. The next day, slipped in and out. Fluid is topped off and am using Redline MT-90 per all recommendations. The fuse is NOT blown, but when I test, I get no clunk of engagement nor snap from disengagement. I've checked and rechecked all the wires leading in the system. Joints are soldered, solid and insulated (shrink tubing). </span><o:p></o:p></p><p><o:p> </o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>Except.</span><o:p></o:p></p><p><o:p> </o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>The relay. I didn't even know I had one. Leastwise, I'd forgotten since I first wired the thing a dozen years ago. </span><o:p></o:p></p><p><o:p> </o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>Relays are simple mechanisms. Looks like a resister, maybe a diode in there. But diodes blow and resisters can die. </span><o:p></o:p></p><p><o:p> </o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>Just curious, though. It's been 50 years since I was working on comm/nav electronics on F4-Phantom jets so am not clueless, but definitely rusty, about electronics. Are simple relays more or less bullet-proof, or do they have some sort of reputation I'm not aware of....????</span><o:p></o:p></p><p><o:p> </o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>Thank you, everyone,</span><o:p></o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>Terry Smith, '59 TR3A, A-Type OD, TS 58667</span><o:p></o:p></p><p><span style='font-family:"Helvetica","sans-serif";color:#333333;background:white'>New Hampshire</span><o:p></o:p></p></div></body></html>