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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;color:#1F497D'>Both my TR3s have lightened flywheels which came from Racetorations. No financial interest, but it is owned by my cousin, Darryl Uprichard, and if he is in a good mood I sometimes get a family discount.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'>Having driven several stock TR3s, I do notice the difference. But then, both cars also have 89mm pistons, so I cannot ascribe it entirely to the flywheel.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'>Andrew Uprichard<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'>Jackson, Michigan<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></p><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"'> Paul Dorsey [mailto:dorpaul1@gmail.com] <br><b>Sent:</b> Monday, September 10, 2018 3:17 PM<br><b>To:</b> john.macartney@ukpips.org.uk<br><b>Cc:</b> jpaynepbr@cox.net; TERRY SMITH; Randall; auprichard@uprichard.net; ghaynestr4@aol.com; Triumph list Team.net<br><b>Subject:</b> Re: [TR] Electric Fans: Something Different<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>do they make a lighter flywheel? What about Aluminum?<o:p></o:p></p><div><p class=MsoNormal>Paul<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Sep 10, 2018 at 9:30 AM John Macartney <<a href="mailto:john.macartney@ukpips.org.uk">john.macartney@ukpips.org.uk</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal>I think I'm correct in saying one of the reasons for the heavier flywheel is<br>that the wet liner four engine was originally designed for the Standard<br>Vanguard with a two speed (low and high) gearbox with overdrive and also the<br>Ferguson tractor - both of which engines needed to develop shedloads of<br>torque at very low engine speeds. In both instances, much heavier flywheels<br>were required. Even if the early TR's could have got away with lighter<br>units, that would have meant having two different units. In those early post<br>WW2 days, iron and steel in the UK was in such short supply that having a<br>'common' flywheel across the range made economic sense from a production<br>cost viewpoint. Just an opinion<br><br>Jonmac<br><br>-----Original Message-----<br>From: Triumphs <<a href="mailto:triumphs-bounces@autox.team.net" target="_blank">triumphs-bounces@autox.team.net</a>> On Behalf Of<br><a href="mailto:jpaynepbr@cox.net" target="_blank">jpaynepbr@cox.net</a><br>Sent: 23 July 2018 00:38<br>To: 'TERRY SMITH' <<a href="mailto:terryrs@comcast.net" target="_blank">terryrs@comcast.net</a>>; Randall <<a href="mailto:tr3driver@ca.rr.com" target="_blank">tr3driver@ca.rr.com</a>>;<br>Andrew Uprichard <<a href="mailto:auprichard@uprichard.net" target="_blank">auprichard@uprichard.net</a>>; George Haynes<br><<a href="mailto:ghaynestr4@aol.com" target="_blank">ghaynestr4@aol.com</a>>; <a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a><br>Subject: Re: [TR] Electric Fans: Something Different<br><br>I believe the TR2/3/4 was more or less "balanced" internally. The flywheel<br>weighs about 3x what it needs to. I believe they used the flywheel to<br>smooth it out.<br><br>Jonas Payne<br>PBR Consulting Services, LLC<br>702.882.6711<br><br><br><br>** <a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a> **<br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive" target="_blank">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums" target="_blank">http://www.team.net/forums</a><br>Unsubscribe/Manage:<br><a href="http://autox.team.net/mailman/options/triumphs/john.macartney@ukpips.org.uk" target="_blank">http://autox.team.net/mailman/options/triumphs/john.macartney@ukpips.org.uk</a><br><br><br>---<br>This email has been checked for viruses by Avast antivirus software.<br><a href="https://www.avast.com/antivirus" target="_blank">https://www.avast.com/antivirus</a><br><br>** <a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a> **<br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/pipermail/triumphs" target="_blank">http://www.team.net/pipermail/triumphs</a> <a href="http://www.team.net/archive" target="_blank">http://www.team.net/archive</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/triumphs/dorpaul1@gmail.com" target="_blank">http://autox.team.net/mailman/options/triumphs/dorpaul1@gmail.com</a><o:p></o:p></p></blockquote></div></div></body></html>