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#Post#: 2955--------------------------------------------------
Front brake performance
By: guzzied Date: May 18, 2023, 5:31 am
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Has anyone done a front brake conersion to disc brakes? It
would be nice to be able stop as quickly as other vehicles on
the road!, or any hints for improving the standard set-up?
Thank you.
#Post#: 2956--------------------------------------------------
Re: Front brake performance
By: banquo Date: June 1, 2023, 5:34 am
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Sorry for tardy response: I rarely check on here now, as it gets
so little traffic.
Yes, disc brakes have been fitted, but that means grafting on a
complete front end.
I compensated for a not very good front brake for the first 18
years or so, until I could no longer put up with it jamming on.
Following advice from others, I realised it was because the cams
were turning so far, the springs were unable to push them back -
this despite there being a huge amount of friction material
left.
I bought new shoes off eBay, fitted them, and discovered that
they wouldn't fit the drum - just a fraction too large in
diameter.
I took the brake plate with shoes fitted, and a thin shim
between the operating cam and the heel of the shoe to simulate a
slight application of the brake, along with the complete wheel
to a machinist, who turned down the assembled linings to just
fit the drum.
After adjustment, I now have the best brake ever, with huge fork
dive and a screeching tyre.
I assume the geometry of the brake is wrong from the factory,
with the shoes not forming a perfect circle from new, and it's
crazy that the shoes need discarded with 5mm of material left,
but the end result is as good a TLS brake as I have ever
experienced.
For adjustment, my simple approach is to disconnect the
connecting link (and replace those split pins with r-clips while
you're at it), pull the front lever on by hand, and then adjust
the length of the linkage until it just lines up with the rear
lever when it too is pulled home by hand.
It works for me.
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