No Max, you are right (if you see what I mean). For a given pressure in the
hydraulic line a larger slave piston will exert a greater pressure on the
brakes. Same p/si, greater si, greater p. The side effect is slightly
longer travel of the pedal to achieve the same pressure.
----- Original Message -----
From: "Max Heim" <mvheim@attbi.com>
To: "MG List" <mgs@autox.team.net>
Sent: Sunday, June 30, 2002 10:21 PM
Subject: Re: GT real brake cylinders
> Hmmm, that is only if you assume a one-to-one relationship between brake
> pedal pressure and volume of fluid sent to the rear brakes. But I don't
> think that's true. What I would expect is a one-to-one relationship
between
> pedal pressure and line pressure -- if it takes more fluid to achieve the
> same line pressure, it moves more fluid. Then, in the larger diameter
brake
> cylinder, the same pressure being transmitted across a larger area (of the
> brake piston) would apply a greater force to the brake shoe.
>
> Otherwise, I don't see how you explain the fact that the heavier GT used
> larger cylinders.
>
> But, then, there is a very real possibility that I don't know what the
heck
> I'm talking about...
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