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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'><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><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>>…</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <b>On Behalf Of </b>Kelly Anderson<br><b>Subject:</b> Re: [ExI] A Gedanken Bike Experiment<b><o:p></o:p></b></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Tue, Oct 29, 2013 at 8:11 AM, spike <<a href="mailto:spike66@att.net" target="_blank">spike66@att.net</a>> wrote:<o:p></o:p></p><div><div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>>…</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <b>On Behalf Of </b>Anders Sandberg<br><b>Subject:</b> Re: [ExI] A Gedanken Bike Experiment</span><span style='color:#1F497D'><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>>…</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>  The gyro action of the front wheel would be increased way more than the factor of 30, for the radius of gyration would be increased.  So the moment of inertia of the front wheel would be increased by a factor of over a 100.  That would introduce weird handling.</span><o:p></o:p></p></div></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='color:#1F497D'>>…</span>The third think I can think of is that the ride would be far more bumpy. This would also lead to stability issues, particularly in cornering. Imagine hitting a pebble, and losing almost all contact with the road for a brief time. That could lead to a kind of skipping that would likely be very dangerous.<span style='color:#1F497D'> –</span>Kelly<span style='color:#1F497D'><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'>No problem there: the testing would be done on an Olympic-style indoor oval racetrack, like the one over in Santa Clara.  <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 may write to Jamie Hyneman, see if he wants to try to make something like this.  When tire rubber gets up close to 100C, it gets soft and gummy a little, but does not break down.  The trick is to make a cast to prevent it from deforming during the filling process.  I figured out how to do that.  This would be so cool, if I can talk the MythBusters into doing it.<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'>spike <o:p></o:p></span></p></div></div></div></div></div></body></html>