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Re: Back axle and brakes...

To: "T. .R. Dafforn" <td214@cam.ac.uk>
Subject: Re: Back axle and brakes...
From: Andrew Mace <amace@unix2.nysed.gov>
Date: Mon, 10 May 1999 08:52:57 -0400 (EDT)
On Mon, 10 May 1999, T. .R. Dafforn wrote:

>     1) How can the rear brakes work when the rear wheel cylinder
> apparently only acts on one shoe?
>      Is the rest achieved by telekinsis?

No, more like basic physics. For every action there is an equal and 
opposite reaction -- the cylinder should slide freely, so the piston 
pushes one shoe, then the cylinder moves the opposite direction to push 
the opposite shoe.

>     2) The hydraulic lines to the rear brakes seems to take a strange
> route compared to that in the works manual. The flexible hose connects
> from a bracket on the rear of the rear cross-member to a bracket on the
> rear of drum-brake back plate. A solid pipe then connects this to the
> slave cylinder taking the longest possible route around the back of the
> drum brake. The manual seems to show a direct connection between the
> flexible hose and slave... Which is right?

The pictures are of the earlier, original Herald/Spitfire, etc., setup. 
Later cars with the 1" longer axles have the extra bracket and pipe from 
there to the cylinder.

--Andy

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* Andrew Mace, President and                *
*   10/Herald/Vitesse (Sports 6) Consultant *
* Vintage Triumph Register <www.vtr.org>    *
* amace@unix2.nysed.gov                     *
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