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Re: Ballast

To: Dan Warner <dwarner@electrorent.com>,
Subject: Re: Ballast
From: Joe Amo <jkamo@rapidnet.com>
Date: Mon, 02 Jul 2001 00:08:11 -0600
Here you go Dave, an exhaust
collector that is directed up for
the acceleration heavy portion of the
run, that rotates to or towards a more
rearward aspect to enhance drag toward
the end of the run.....
Joe

Joe Amo wrote:

> Am I missing something, with respect to the
> effect of fuel loss.  I dont see 1-2 gallon fuel
> loss weight  having an appreciable effect on
> traction, especially in contrast to the
> change in aerodynamic forces throughout the
> run.
> I can see the moveable weight transfer aid
> with respect to downforce changes, possibly.
>
> Anyone figured the force imparted by the exiting
> exhaust gas from a pipe?  directing the exhaust
> straight up nets down force, but messes with the
> airstream,  probably something to be had their
> I believe Vesco's turbine exhaust exits straight up
> netting downforce, not sure of the effect on his
> aero numbers
>
> Joe :)
>
> Dan Warner wrote:
>
> > Does ballast have to be "fixed" in a LSR car? Could you use a onboard weight
> > transfer system? I'm thinking of a very small version of the weight sled you
> > see at tractor pulls. This could compensate for lost fuel weight during a
> > run
> > 
>*****************************************************************************
> > ************
> > The current rulebook states that ballast must be fixed. If you can 
>demonstate
> > a safe mounting for movable ballast I am sure it will be looked at by the 
>tech
> > people.
> >
> > Why don't you place the fuel in the middle of the car where burn off will 
>have
> > less of an effect? The heavy stuff, water tanks, oil tank, etc. could be
> > placed around the chassis to create the fore/aft balance you want.
> >
> > D Warner

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