Toyota UA-LAC

[Joshua Van Tol]

Also, there's vacuum depletion to consider. The first engagement of the
brakes will have full assist, but each subsequent one will have less. That's
why our turbo Audis have hydraulic assist.

On Wed, Jan 27, 2010 at 4:14 PM, Mark Rosenkrantz <speedracer.mark at gmail.com
> wrote:

> By "meek," I take that to mean "dragging the brakes," more akin to a normal
> (not panic/full ABS) stop.
>
> Any average car has approximately 1200 HP worth of brakes.  Even with a 400
> HP engine, you'll still have more than 1/2 the stopping force (800 HP).
>
> The problem is that if you drag the brakes (even lightly) for an extended
> period of time while troubleshooting, the brake pad material will start to
> brake down, gassing out will occur, and the brake rotors can get heat
> treated from the friction.  Anybody with overheated brakes on a race track
> will know what this is like.
>
> That said, ANY car can stop at least once with WOT from a high rate of
> speed.... but you need full on braking force... try to engage the ABS
> system.
>
> It's a learning experience... no matter what your experience is, if you
> drive a car, understand it's systems, limitations, and how to control it in
> an emergency.
>
> Just back from instructing,
> Mark Rosenkrantz
>