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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet suspension
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<blockquote data-quote="timetraveller" data-source="post: 37894" data-attributes="member: 456"><p>I agree with you TT, check photo <a href="http://www.vincentownersclub.co.uk/photos/search.php?searchid=4638" target="_blank">http://www.vincentownersclub.co.uk/p...?searchid=4638</a> BOTH forks are the same, I believe that if i get the top spindle, the headlight bracket (F85/1) bolt and the lower spindle aligned then I will be cooking with gas.....thoughts?</p><p></p><p>My worry is this and you have to think about what 'trail' is, and what it is for, in the context of front forks. A line drawn through the steering head will hit the ground some distace in front of where the lowest part of the tyre does. The tyre then drags behind this pivot point like a castor. If the lower part of the forks with the spindle hole, and thus the wheel/tyre etc have all moved backwards then the trail will have increased (NOT DECREASED AS I WROTE EARLIER). This will mean that the bike is a pig to steer round corners but much more importantly, if you go over a large bump and the forks plus wheel drop to their lowest position then there seems to be a likelyhood that the mudguard will foul the mag cover and you will lock up the steering. You don't want to do that!!</p></blockquote><p></p>
[QUOTE="timetraveller, post: 37894, member: 456"] I agree with you TT, check photo [URL="http://www.vincentownersclub.co.uk/photos/search.php?searchid=4638"]http://www.vincentownersclub.co.uk/p...?searchid=4638[/URL] BOTH forks are the same, I believe that if i get the top spindle, the headlight bracket (F85/1) bolt and the lower spindle aligned then I will be cooking with gas.....thoughts? My worry is this and you have to think about what 'trail' is, and what it is for, in the context of front forks. A line drawn through the steering head will hit the ground some distace in front of where the lowest part of the tyre does. The tyre then drags behind this pivot point like a castor. If the lower part of the forks with the spindle hole, and thus the wheel/tyre etc have all moved backwards then the trail will have increased (NOT DECREASED AS I WROTE EARLIER). This will mean that the bike is a pig to steer round corners but much more importantly, if you go over a large bump and the forks plus wheel drop to their lowest position then there seems to be a likelyhood that the mudguard will foul the mag cover and you will lock up the steering. You don't want to do that!! [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet suspension
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