<VV> Broken Crank!

[jvhroberts at aol.com]

 Well, perhaps. Could also be caused by case flexing. Interesting that it almost always happens at the power output end of the crank!

 

John Roberts
 

 

-----Original Message-----
From: BobHelt at aol.com
To: jvhroberts at aol.com; dnoneal at bellsouth.net; virtualvairs at corvair.org
Sent: Mon, May 3, 2010 4:07 pm
Subject: Re: <VV> Broken Crank!



In a message dated 5/3/2010 12:39:44 P.M. US Mountain Standard Time, jvhroberts at aol.com writes:
Fatigue! Which begs the   question, what's causing all this flexing, and how can it be   reduced?



Torsional vibration at the resonant frequency. Need better harmonic dampers than stock.
Regards,
Bob Helt