<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><img src="cid:36B26F25-EC39-4F4A-8B6D-5A8E5AF3DF8E-L0-001"><br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Nov 9, 2021, at 5:04 PM, Jim Gray via Fot <fot@autox.team.net> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">Either a catastrophic, nonlinear mechanical exasperation or a sudden un scheduled disassembly.<o:p></o:p></p><p class="MsoNormal">jg<o:p></o:p></p><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b>From:</b> Fot <fot-bounces@autox.team.net> <b>On Behalf Of </b>Don Marshall via Fot<br><b>Sent:</b> Tuesday, November 9, 2021 1:21 PM<br><b>To:</b> yellow04@tr4racer.com<br><b>Cc:</b> Friends of Triumph <fot@autox.team.net><br><b>Subject:</b> Re: [Fot] pop up pistons for the TR2-4 engine ? RE: TR3 Race pistons and liners<o:p></o:p></p></div><p class="MsoNormal"><o:p> </o:p></p><div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p><div><div><p class="MsoNormal">On Tue, Nov 9, 2021, 12:26 PM Henry Frye via Fot <<a href="mailto:fot@autox.team.net">fot@autox.team.net</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" style="margin-bottom:12.0pt">A heck of a lot of races have been won by wet-liner TR's running pop-up <br>pistons. And I'll bet none of them ever had a head collapse.<br><br>Just sayin'...<br><br>On 2021-11-09 11:44, Alexandre Camoletti via Fot wrote:<br>> Gents,<br>> <br>> I recall, but I may be mistaken, that Kas wrote in one of his books<br>> that he had experimented pop up pistons but because of the specific<br>> shape of the TR2-4 combustion chambers the pop up design was<br>> detrimental to the propagation of the flame front and actually this<br>> was offsetting the compression gain, so he abandoned this route to<br>> remain on the traditional milling one (with thin steel headgasket,<br>> which can make quite an additional difference).<br>_______________________________________________<br><a href="mailto:fot@autox.team.net" target="_blank">fot@autox.team.net</a><br><br><a href="http://www.fot-racing.com" target="_blank">http://www.fot-racing.com</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://autox.team.net/archive" target="_blank">http://autox.team.net/archive</a> <a href="http://www.team.net/pipermail/fotUnsubscribe/Manage" target="_blank">http://www.team.net/pipermail/fot<br>Unsubscribe/Manage</a>: <a href="http://autox.team.net/mailman/options/fot/dmar823@gmail.com" target="_blank">http://autox.team.net/mailman/options/fot/dmar823@gmail.com</a><br><br><o:p></o:p></p></blockquote></div></div></div></div><span>_______________________________________________</span><br><span>fot@autox.team.net</span><br><span></span><br><span>http://www.fot-racing.com</span><br><span></span><br><span>Donate: http://www.team.net/donate.html</span><br><span>Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot</span><br><span>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/vfracing@aol.com</span><br><span></span><br><span></span><br></div></blockquote></body></html>