?I don't see any adjustment on the "balance bar" so I think it's there just
to connect the two master cylinders to the brake pedal. And since Brad
said there was a proportioning valve, a balance bar isn't necessary. ?
On Fri, Dec 15, 2017 at 10:09 PM, Duncan Charlton via Fot <
fot at autox.team.net> wrote:
> Set up as in the photo the balance bar could bend or fracture if the pedal
> is pushed hard enough. If the unused master cylinder is filled with fluid
> its piston will not move at all so the balance bar between the two MC?s
> will be put under a lot of bending stress when the pedal is pushed ? one
> piston moves and the other one doesn?t, and the pedal would move a lesser
> distance than if both cylinders are being used. If the unused MC is empty,
> the piston will easily bottom out, putting stress on the cross balance bar
> for the same reason as the other scenario. Since the pedal would move a
> much greater distance with no fluid in the unused MC, I assume it was left
> filled. Come to think of it, though, leaving the right ratio of air and
> fluid in the unused MC would allow it to behave like a spring and put a
> normal level of stress on the balance bar.
>
> Duncan
>
>
> On Dec 15, 2017, at 2:21 PM, Brad Eells via Fot <fot at autox.team.net>
> wrote:
>
> Hi Gang,
>
> I am trying to understand what may have happened with the duel master set
> up and it's plumbing.
>
> The front and rear circuits are both coming out of the right hand cylinder
> while the left hand cylinder is returning to itself. The car does have a
> prop valve for the rear brakes located in the cockpit.
>
> One person suggested the the driver may have had a problem during a race
> weekend and simply re-plumbed to make it through a race weekend. The car
> was last raced in Sept 1976.
>
> Should a line for each circuit simply go to each master cylinder? I have 2
> new ones on order.
>
> Your thoughts are appreciated!
>
>
> Brad
>
> *Brad Eells*
> *Chino CA*
> *#35 DP 1962 Triumph TR4*
> *#76 FP 1969 Triumph Spitfire Mk3*
> *1965 Triumph TR4A IRS...for the road!*
>
>
>
>
> *<BCE_0044 (Large).JPG><BCE_0046 (Large).JPG>?*
>
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