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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Hydraulic Steering Damper
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<blockquote data-quote="macvette" data-source="post: 99576" data-attributes="member: 262"><p>Hi Norman ,</p><p>Just to make it clear I did this analysis to get to the bottom of the motion involved, not to get into" this is better than that" kind of discussion. In the real world they will all work. When I made my final version, I did it intuitively so my actuating arm has 60mm of offset to the back of the bike. Yesterday, I measured the distance from the centre of the steering stem to the centre of the old damper stop. It is about 57mm. I "eyeballed" the offset of my actuating arm at 60mm. If I had done the analysis beforehand, I would have made it 57 mm not 60 as I did. The result is that my damper moves out of // with the forks by a small amount so there are a few degrees of rotation of the body. I went to the centre pivoted damper to get good clearance from the eccentrics and spring boxes.</p><p>I could do the measurements you ask with some difficulty but I dont think its necessary.</p><p>The reason is that with 60mm rearwards offset on my actuating arm, I get the stroke required. With the offset pivot the damper there is approx an addition 15mm rearwards for the same stroke.</p><p>Regards Mac</p></blockquote><p></p>
[QUOTE="macvette, post: 99576, member: 262"] Hi Norman , Just to make it clear I did this analysis to get to the bottom of the motion involved, not to get into" this is better than that" kind of discussion. In the real world they will all work. When I made my final version, I did it intuitively so my actuating arm has 60mm of offset to the back of the bike. Yesterday, I measured the distance from the centre of the steering stem to the centre of the old damper stop. It is about 57mm. I "eyeballed" the offset of my actuating arm at 60mm. If I had done the analysis beforehand, I would have made it 57 mm not 60 as I did. The result is that my damper moves out of // with the forks by a small amount so there are a few degrees of rotation of the body. I went to the centre pivoted damper to get good clearance from the eccentrics and spring boxes. I could do the measurements you ask with some difficulty but I dont think its necessary. The reason is that with 60mm rearwards offset on my actuating arm, I get the stroke required. With the offset pivot the damper there is approx an addition 15mm rearwards for the same stroke. Regards Mac [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Hydraulic Steering Damper
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