<html><body><div style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10pt; color: #000000"><div><br></div><div>Hi TeriAnn,</div><div>In theory, a lighter flywheel would make shift the harmonics to higher rpm and the load on the crankshaft (torsion forces) would be less. I believe this is a reality in the case of the 4 cyl TR crank. The heavy flywheel is there for smoother running, I don't know if there are other advantages? As you know (i.e. of the books of Kas Kastner), the harmonics of the 6 cyl TR crank are much more detrimental with high levering loads on the flywheel bolts.</div><div>Maybe the front pulley can be made lighter when the flywheel is lighter.</div><div>Respectfully yours,</div><div>Marcel Van Mulders.</div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>Van: </b>"fot" <fot@autox.team.net><br><b>Aan: </b>"fot" <fot@autox.team.net><br><b>Verzonden: </b>Donderdag 21 mei 2020 21:43:30<br><b>Onderwerp: </b>[Fot] Flywheel wt & crank harmonics -TR3/4<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><p><font size="+1"><font face="Adobe Garamond">Something I have
wondered about for years.</font></font></p>
<p><font size="+1"><font face="Adobe Garamond">Does the weight of
the flywheel affect the RPM and intensity of harmonics
inherent in a TR3/4 stock crank? I've never found an answer to
that question.</font></font></p>
<p><font size="+1"><font face="Adobe Garamond">TeriAnn<br>
</font></font></p>
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