REFLECTOR: Leaking Brake Master cylinder
Brian Michalk
michalk at awpi.com
Thu Feb 14 10:11:49 CST 2008
Are you talking about max operating pressure?
pi * (5/8)^2 = 1.227 ~ 1.25 in^2
needs 360lbs of plunger force.
Same diameter as the originals, so performance would be identical.
NMFlyer1 at aol.com wrote:
> Brian & Or Jim,
>
> Have you checked the pressure of the cylinders? I noticed in the
> paperwork I got back with my Matco brakes that they need at least 450
> PSI to work right. (There was an upper limit too but I can't recall it
> off the top of my head). I'm hoping that my upgraded ones work ok...
> but Jim's data suggests they still may be marginal.
>
> I find that strange. The brakes on my Cherokee 235 are half the size
> of the Matco's.. I mean they are really small for the 2900 pound gross
> weight. But they work just fine.
>
> Kurt
>
>
>
>
>
>
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