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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Quaife/Surtees overshifting
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<blockquote data-quote="Monkeypants" data-source="post: 55384" data-attributes="member: 2708"><p>Thanks Roy, but honestly I think it is the design of the Quaife that makes for the slick shifting, rather than my efforts. </p><p>Of interest, while looking for info on the overshifting problem, I found an MPH article written by John Lumley in 1969. In the article John discusses the idea of a new Vincent 5 speed gear cluster to be made by his friend Ken Quaife. The description of the kit is almost identical to the one we can purchase today, however the estimate of cost is a little lower at just 100 GBP!</p><p>John mentions that some of the experienced Vincent people of the day have expressed concern that the narrow gears of the five spl not be strong enough for the job, however Ken Quaife responds that with modern gear geometry the Quaife 5 speed for the Vincent is "good for 180 Brake Horsepower"</p><p>At the time of the article, the design work is complete and all that is needed to get production underwsy is a minimum order of 25 gearts by a group or individual. Aparently</p></blockquote><p></p>
[QUOTE="Monkeypants, post: 55384, member: 2708"] Thanks Roy, but honestly I think it is the design of the Quaife that makes for the slick shifting, rather than my efforts. Of interest, while looking for info on the overshifting problem, I found an MPH article written by John Lumley in 1969. In the article John discusses the idea of a new Vincent 5 speed gear cluster to be made by his friend Ken Quaife. The description of the kit is almost identical to the one we can purchase today, however the estimate of cost is a little lower at just 100 GBP! John mentions that some of the experienced Vincent people of the day have expressed concern that the narrow gears of the five spl not be strong enough for the job, however Ken Quaife responds that with modern gear geometry the Quaife 5 speed for the Vincent is "good for 180 Brake Horsepower" At the time of the article, the design work is complete and all that is needed to get production underwsy is a minimum order of 25 gearts by a group or individual. Aparently [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Quaife/Surtees overshifting
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