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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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<blockquote data-quote="greg brillus" data-source="post: 121574" data-attributes="member: 597"><p>So some things that can cause a wobble on the Girdraulic forks, or contribute more than Brampton's. They can be oversprung if the inner springs are in place, the friction......now this is a big one.......as Vic said, some friction might be desirable to settle the forks from being too active. Well i have never found this the case, look at the extra surface area from larger diameter spindles and bushes, especially the lower link rear ones that are huge. The other really big one is the actual spring cases themselves, these end up with age old grease and grit from the road, and if they suffer any mechanical damage the cases bind quite badly. Lastly the links are longer than those on the Brampton's so this is like a set of telescopics that have more offset on the yolks. This also explains why when you jack up the rear of the bike with much longer springs, the front end "Turns in" far more readily than if short springs on the rear are used. A Vincent set up like this will out turn a Featherbed framed bike no problem........There is more than meets the eye on this one.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 121574, member: 597"] So some things that can cause a wobble on the Girdraulic forks, or contribute more than Brampton's. They can be oversprung if the inner springs are in place, the friction......now this is a big one.......as Vic said, some friction might be desirable to settle the forks from being too active. Well i have never found this the case, look at the extra surface area from larger diameter spindles and bushes, especially the lower link rear ones that are huge. The other really big one is the actual spring cases themselves, these end up with age old grease and grit from the road, and if they suffer any mechanical damage the cases bind quite badly. Lastly the links are longer than those on the Brampton's so this is like a set of telescopics that have more offset on the yolks. This also explains why when you jack up the rear of the bike with much longer springs, the front end "Turns in" far more readily than if short springs on the rear are used. A Vincent set up like this will out turn a Featherbed framed bike no problem........There is more than meets the eye on this one. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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