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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Installing a Front Disc Brake on a Series ‘C’
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<blockquote data-quote="davidd" data-source="post: 94026" data-attributes="member: 1177"><p>Tim,</p><p></p><p>I think it is an option to use hydraulic drum brakes. The reason you don't see many hydraulic drum brakes on motorcycles is the the manual drum brake is so powerful. The drum brake has to be detuned quite a bit to make it stable when aided by hydraulic pressure, like using low friction linings or twin trailing shoes, the latter being the most stable set-up. I would guess that most cars that use rear drums have very carefully matched friction coefficients for their linings.</p><p></p><p>However, if you think of using hydraulics on a stock Vincent drum I think it would do well, except that it would highlight the horrible pre-existing problems like the poorly designed brake shoes and the low friction linings provided as originals and replacements. The shoes would be bent into pretzels.</p><p></p><p>I think a better way is to design better shoes and experiment with high friction linings to see what optimal braking with the almost stock brakes are. This might provide some good results. If it does not, we can spend our money with Vincent Speet or the Club and get a better designed brake.</p><p></p><p>The alternative to both is the disc brake conversion. This is ideal for someone riding with modern bikes because it will provide similar braking performance. This is one of the reasons why I like large rotors. I don't think it is the best idea to make a weak disc brake simply because it is stronger than a poorly set up Vincent brake.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 94026, member: 1177"] Tim, I think it is an option to use hydraulic drum brakes. The reason you don't see many hydraulic drum brakes on motorcycles is the the manual drum brake is so powerful. The drum brake has to be detuned quite a bit to make it stable when aided by hydraulic pressure, like using low friction linings or twin trailing shoes, the latter being the most stable set-up. I would guess that most cars that use rear drums have very carefully matched friction coefficients for their linings. However, if you think of using hydraulics on a stock Vincent drum I think it would do well, except that it would highlight the horrible pre-existing problems like the poorly designed brake shoes and the low friction linings provided as originals and replacements. The shoes would be bent into pretzels. I think a better way is to design better shoes and experiment with high friction linings to see what optimal braking with the almost stock brakes are. This might provide some good results. If it does not, we can spend our money with Vincent Speet or the Club and get a better designed brake. The alternative to both is the disc brake conversion. This is ideal for someone riding with modern bikes because it will provide similar braking performance. This is one of the reasons why I like large rotors. I don't think it is the best idea to make a weak disc brake simply because it is stronger than a poorly set up Vincent brake. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Installing a Front Disc Brake on a Series ‘C’
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