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