--- In exceldyno@yahoogroups.com, "runner1jzgte" <bobbybuch@...> wrote:
>
> Hi, very handy sheet!!
> Have you considered accounting for engine inertia for the traction
and
> accel calc?
>
> Bobby
>

H Bobby,

Yeah I have thought about it, but it makes the sheet too complicated.
Adding it to the sheet is easy enough, but knowing what values to put
in is the hard part. For example, tail shaft inertia, rear diff,
wheels and rear axles are all directly related to car speed. So you
could use one value for all those parts (but who has any idea what the
moment of inertia for all that on their car is).
Then the engine would have to be seperate because it is effected by
what gear your in at the time, and you need more than just a flywheel
weight. You need a moment of inertia for the entire engine. I don't
think you'd be able to find that sort of info anywhere.

Since any values you'd put in would be a guess, then it isn't really
making the calculation any more accurate anyway....

Cheers,
Wes