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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: 172793" data-attributes="member: 1177"><p>I am not sure what shoes the Club is selling. If they are Videan's shoes, they come with a Vintage Brakes VB 3000 lining bonded onto the shoe bed. Generally, a reliner will only rivet shoes if you say that you are racing. If you are racing, the reliner will expect the shoes to run up to 1000 degrees and they will insist on using glue and rivets because the glue tends to degrade at very high temperatures. Vincent brakes do not get hot enough to worry about glue degrading.</p><p></p><p>The new shoes have an Achilles heel, the H48. It is not hardened steel and it is not cast into the shoe. This means the stock H48 will deform and create a "detent" which will prevent the user from getting the shoe to press harder on the drum during a stop. </p><p></p><p>A heavy cable is good, but if it is a conventional cable it is unlikely to work well. On a Vincent, the cable housing itself does all the braking on the right-side front drum. The cable housing needs to be highly resistant to compression and the horizontally wound cables are compressible. The non-compressable cables work better because the outer housing's metal reinforcement is run longitudinally. Motion Pro makes this type of cable and they mark them "LW" for "longitudinally wound." Venhill may make them also.</p><p></p><p>Some owners have switched to two cables on the front brake which has the benefit of avoiding the use of the spongy housing on the stock cable. Others prefer stock cables. On the racer, the most recent setup is two longitudinally wound cables, one for left and one for right.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 172793, member: 1177"] I am not sure what shoes the Club is selling. If they are Videan's shoes, they come with a Vintage Brakes VB 3000 lining bonded onto the shoe bed. Generally, a reliner will only rivet shoes if you say that you are racing. If you are racing, the reliner will expect the shoes to run up to 1000 degrees and they will insist on using glue and rivets because the glue tends to degrade at very high temperatures. Vincent brakes do not get hot enough to worry about glue degrading. The new shoes have an Achilles heel, the H48. It is not hardened steel and it is not cast into the shoe. This means the stock H48 will deform and create a "detent" which will prevent the user from getting the shoe to press harder on the drum during a stop. A heavy cable is good, but if it is a conventional cable it is unlikely to work well. On a Vincent, the cable housing itself does all the braking on the right-side front drum. The cable housing needs to be highly resistant to compression and the horizontally wound cables are compressible. The non-compressable cables work better because the outer housing's metal reinforcement is run longitudinally. Motion Pro makes this type of cable and they mark them "LW" for "longitudinally wound." Venhill may make them also. Some owners have switched to two cables on the front brake which has the benefit of avoiding the use of the spongy housing on the stock cable. Others prefer stock cables. On the racer, the most recent setup is two longitudinally wound cables, one for left and one for right. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
(Front) Brake improvements
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