Re: Hydroplaning

[Chris Woodward <cwoodward@earthlink.net>]

Don Hoefer wrote:

> Chris,
>
> > NONONO!   Vehicle mass determines the downward force that is exerted on the
> > water!!!
>
> Perhaps I should have said "Tire pressure determines the downward force per
> unit area that is exerted on the water".
>
> Sound better?
>
> Don Hoefer
> '82 Coupe
>
> Massachusetts, USA



I'm not convinced that tire pressure is directly related to downward force per
unti area.

But:  tire pressure does play a part in contact patch size, thus, it does
indirectly relate to downward force per unit area.   However, DFPUA is directly
related to contact patch size, no?

Chris
'97 A4ta