I would put some very serious consideration into the rolling resistance. I could
be convinced that in the morning the salt is actually softer than during the
heat of the day. That will suck up a lot of HP very quickly. Sort of like
driving with the tires under inflated.
Dave
Marge and/or Dave Thomssen wrote:
>
> Hey Dave
> I forgot to mention one other thing: Rolling friction
> It is not dependent on air density, so we should go faster in more dense
> air. It might be easier to tell the difference with great differences of
> density (4214ft vs. sea level) than morning versus afternoon density
> considering all the other variables on the salt.
> Great fun trying to figure this stuff out!
> Dave
> ----- Original Message -----
> From: "Dave Dahlgren" <ddahlgren@snet.net>
> To: "Marge and/or Dave Thomssen" <mdthom@radiks.net>
> Sent: Sunday, September 15, 2002 10:02 AM
> Subject: Re: Cool Air and drag
>
> > for this to be all true wouldn't that mean that the car would run the same
> speed
> > at sea level and at 3 miles up? For me easiest way to test a theory is to
> test
> > the bounds first. I have raced a car at close to sea level and at
> Bonneville.
> > Lake Gardnier,sp. 212 to 214 11 passes
> > Bonneville 205-206 4 passes
> >
> > same car same engine same everything..
> > G/GL Cosworth Ford YB w/efi
> >
> > #1 both times the drive line was warmed up
> > #2 runs during the daytime
> > #3 EFI it stays tuned just fine
> > #4 daytime with plenty of time to play with things
> > #5 ...............
> >
> > That particular car goes faster at sea level and we have many runs on it
> at
> > Bonneville. Whenever the baro/air density is up the car goes faster. My
> bet is
> > it is still vehicle related for the same reasons i stated to begin with.
> > Dave Dahlgren
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