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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet suspension
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<blockquote data-quote="Howard" data-source="post: 38489" data-attributes="member: 271"><p>I'm a bit confused (about normal for me) what you mean by "preloaded". I spent some time in the 70s sorting suspension on a couple of specials I built, unfortunately I've forgotten most of what I learned, but I'm sure the idea was to set the spring "preload" so that, with the rider on the bike, the suspension was about 25% compressed. </p><p>The theory being that bumps go down (potholes) as well as up, and the springs keep the tyre in contact as the road falls away. If this wasn't the case, the front end is likely to become light and light front end plus bumps seem to be the prerequisites for a tankslappper. </p><p>I'm happy with 1 and 2, it's point 3 that I don't understand, my knowledge of girders is about the same as my knowledge of the dark side of the moon, but surely the springs become preloaded when they take the weight of the bike.</p><p></p><p>H</p></blockquote><p></p>
[QUOTE="Howard, post: 38489, member: 271"] I'm a bit confused (about normal for me) what you mean by "preloaded". I spent some time in the 70s sorting suspension on a couple of specials I built, unfortunately I've forgotten most of what I learned, but I'm sure the idea was to set the spring "preload" so that, with the rider on the bike, the suspension was about 25% compressed. The theory being that bumps go down (potholes) as well as up, and the springs keep the tyre in contact as the road falls away. If this wasn't the case, the front end is likely to become light and light front end plus bumps seem to be the prerequisites for a tankslappper. I'm happy with 1 and 2, it's point 3 that I don't understand, my knowledge of girders is about the same as my knowledge of the dark side of the moon, but surely the springs become preloaded when they take the weight of the bike. H [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet suspension
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