> This is a good idea I have worked on a device such as this on a machine
> I worked on.
> The drain hole in the m middle is very important.
>
> ALSO the seals used need special attention.  I cannot remember details
> but some types of seal material will come apart when exposed to brake
> fluid.
>
> Another slave cylinder  (I think some folks call them wheel cylinder and
from the wreckers or even new as they are cheap approx $20 last time I
purchased one)  in a sturdy cage with strain gauge.

Using a real slave cylinder (or master cylinder) you can be confident that
the correct materials are used.
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