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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
(Front) Brake improvements
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<blockquote data-quote="davidd" data-source="post: 172777" data-attributes="member: 1177"><p>I have discussed several simple solutions to this problem. However, even simple problems require some machining work or welding skills to be utilized.</p><p></p><p>Good brakes on a stock Vincent are very difficult to achieve because the entire system is poorly designed. Phil Irving did admit that the 7" diameter was a poor choice. But, design issues aside, the individual components were not strong enough to provide continuous reliable braking. The double-pivot posts are just one weak link in the chain. If you replace the double posts with a single post that eliminates the bending problem, then you are likely to bend or break the shoes as they are already flexing under normal braking. If you replace the shoes the twin posts will bend. If you replace the posts and the shoes the cable will stretch or the drum will start to bulge.</p><p></p><p>[URL unfurl="true"]https://www.vincentownersclub.co.uk/threads/lightning-brakes.11670/post-109171[/URL]</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 172777, member: 1177"] I have discussed several simple solutions to this problem. However, even simple problems require some machining work or welding skills to be utilized. Good brakes on a stock Vincent are very difficult to achieve because the entire system is poorly designed. Phil Irving did admit that the 7" diameter was a poor choice. But, design issues aside, the individual components were not strong enough to provide continuous reliable braking. The double-pivot posts are just one weak link in the chain. If you replace the double posts with a single post that eliminates the bending problem, then you are likely to bend or break the shoes as they are already flexing under normal braking. If you replace the shoes the twin posts will bend. If you replace the posts and the shoes the cable will stretch or the drum will start to bulge. [URL unfurl="true"]https://www.vincentownersclub.co.uk/threads/lightning-brakes.11670/post-109171[/URL] David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
(Front) Brake improvements
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