Bored, so I nerded out on rad/stroke ratio

[rocco16v at netzero.net (L F)]

Ron,
  Look at it this way; my new Ford GT and your Scirocco start and stop at the same place at the drag strip.  Are the  speeds the same?
Acceleration is the key to piston speed and quarter-mile speeds as well.(not talking Mean speed, talking ultimate speed)

I'll be going now..............
:)

Larry
  ----- Original Message ----- 
  From: Ron Pieper 
  To: Allyn ; scirocco-l@scirocco.org 
  Sent: Saturday, January 31, 2004 5:35 PM
  Subject: Re: Bored, so I nerded out on rad/stroke ratio


  Umm...common sense tells me that *mean* speed will be the same for any given stroke...right?  I
  mean, the piston starts and stops at the same place for one revolution regardless of rod length,
  therefore mean speed is the same.

  Al, you're not all there right now.  Losing sleep???

  Ron

  --- Allyn <amalventano@sc.rr.com> wrote:
  > ok, i get how the piston accel is lower with longer throws, but i always
  > thought the main limit for the bottom end was the mean piston speed. issue
  > being getting enough oil to keep the rings cool and the skirt lubed.
  > Al


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