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Re: Brake design question - Ray? Anyone?
"Geoff Miller" <geoffm@u1.netgate.net> wrote in message
news:e5nlnd$cto@u1.netgate.net...[color=blue]
>
>
> Ray O <rokigawa@tristarassociatesDOTcom> writes:
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>> Rear brakes last longer than front brakes because the front
>> brakes do most of the stopping.[/color]
>
>
> On cars with 4-wheel discs, the front rotors are of larger
> diameter than the rear rotors for that reason (and are often
> vented as well).
>
> Since the stopping capacity of the front brakes meet or exceed
> what's needed at the rear wheels, why not use the same rotors
> and calipers at all four wheels and make any necessary adjustments
> with a brake proportioning valve? Expenses could be lowered by
> having to procure, transport and stock fewer components.
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>
>
> Geoff
>[/color]
The reduced expenses by the factors you mentioned are probably not enough
to offset the expense of having to install larger rotors, calipers, and
pads. Also, Toyota uses a drum brake incorporated into the rear disc brake
for a parking brake.
--
Ray O
(correct punctuation to reply)
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