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Re: Effect of Flywheel Weight for Bikes and Cars

To: Dave Dahlgren <ddahlgren@snet.net>
Subject: Re: Effect of Flywheel Weight for Bikes and Cars
From: "Thomas E. Bryant" <saltracer@awwwsome.com>
Date: Fri, 13 Apr 2001 08:26:29 -0700
Dave,

Give it some thought.. every engine cycle there is exhaust stroke with no real
pressure above the piston so you are still in the unsafe condition you describe
for 50% or the time.
I believe it would be more accurate to say reduced pressure 50% of the 
time, moving the exhaust out requires some engergy. Closed throttle 
creates a vacuum which, in my opinion, changes the pressures above the 
piston drastically. Just a thought!

Tom, Redding CA - #216 D/GCC

Dave Dahlgren wrote:

> Your theory or Surtee's theory would be valid if there were no exhaust 
>stroke..
> Give it some thought.. every engine cycle there is exhaust stroke with no real
> pressure above the piston so you are still in the unsafe condition you 
>describe
> for 50% or the time. As far as making it easier to drive with high gear only..
> My answer is get another driver that will deal with it, the car will go much
> faster with a transmission in it.  The funny thing about being the best is 
>that
> you are the best relative to everyone else at the time, and your methods are 
>the
> best at the time you used them. That does not mean that better ways to do 
>things
> will not come along or better drivers and engines. It is all relative to the
> date the records is set. It makes it all fun to see things evolve and you need
> to grow with the new information. This does not ever discount what someone has
> done in the past but does allow for growth and new thinking. Oh and you dare
> wrong on the over rev in a sporty car.. they bang those things off the limiter
> endlessly..and we do get errors on occasion that they have exceeded the 
>limiter
> by 8 or 9 hundred rpm in a set of tight corners with lots of downshifts.. Some
> of these are engines with the limiter set at 9000 or more rpm also.

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