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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Speet Brake Installation Query
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<blockquote data-quote="davidd" data-source="post: 110564" data-attributes="member: 1177"><p>I don't think anyone has ever figured out the mechanical advantage of the Vincent front brake. I have never seen it published in MPH and when I asked here I received no replies, just speculation. I suspect the speculation is correct, but the problem you run into is that it is difficult to mix and match because the formulae are not obvious. Thus, it is difficult to calculate the results beforehand.</p><p></p><p>I would suggest sticking with either system, but not interchanging parts unless you are willing to put the time into the experiment. If there is a mechanical advantage with the balance beam it is at the expense of losing lever travel. This may be fine, but it could also require a lot of fabrication (as Gary mentions) and trial and error. Also, if the brake shoes are stock it is likely that they are too flimsy to take advantage of any additional mechanical advantage.</p><p></p><p>You can use the balance beam as the adjusters if you make the beam stationary and run a cable to each end. Mike Hawthorne did this with his Flash racer.</p><p>[ATTACH=full]28965[/ATTACH]</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 110564, member: 1177"] I don't think anyone has ever figured out the mechanical advantage of the Vincent front brake. I have never seen it published in MPH and when I asked here I received no replies, just speculation. I suspect the speculation is correct, but the problem you run into is that it is difficult to mix and match because the formulae are not obvious. Thus, it is difficult to calculate the results beforehand. I would suggest sticking with either system, but not interchanging parts unless you are willing to put the time into the experiment. If there is a mechanical advantage with the balance beam it is at the expense of losing lever travel. This may be fine, but it could also require a lot of fabrication (as Gary mentions) and trial and error. Also, if the brake shoes are stock it is likely that they are too flimsy to take advantage of any additional mechanical advantage. You can use the balance beam as the adjusters if you make the beam stationary and run a cable to each end. Mike Hawthorne did this with his Flash racer. [ATTACH type="full"]28965[/ATTACH] David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Speet Brake Installation Query
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