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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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<blockquote data-quote="hadronuk" data-source="post: 75844" data-attributes="member: 1866"><p>OK Gentlemen, I give up on a longer damper. After all, it won't be me doing the testing!</p><p>TTs description of his Cadwell crash sounds a little similar to the scenario described in the Cranfield and Imperial paper, where a road irregularity of just the right wavelength momentarily forces the forks sideways provoking a self sustaining oscillation. MartynG's accident sounds much more like the scenario where the front wheel leaves the ground and touches down off line. The high trail then forces the wheel to turn violently, again provoking self sustaining oscillation.</p><p>Anyway, I can speculate for ever so I will stop.</p><p>I greatly regret I was not able to complete my Girdraulic force model. It could have been used to look at spring rates and the wheel and whether the geometry makes this progressive, friction in the links, different geometries, and the balance point of the opposing forces in the forks under braking. </p><p>I might have another go when I am retired. Oh, I am retired. Memory not what it was.</p></blockquote><p></p>
[QUOTE="hadronuk, post: 75844, member: 1866"] OK Gentlemen, I give up on a longer damper. After all, it won't be me doing the testing! TTs description of his Cadwell crash sounds a little similar to the scenario described in the Cranfield and Imperial paper, where a road irregularity of just the right wavelength momentarily forces the forks sideways provoking a self sustaining oscillation. MartynG's accident sounds much more like the scenario where the front wheel leaves the ground and touches down off line. The high trail then forces the wheel to turn violently, again provoking self sustaining oscillation. Anyway, I can speculate for ever so I will stop. I greatly regret I was not able to complete my Girdraulic force model. It could have been used to look at spring rates and the wheel and whether the geometry makes this progressive, friction in the links, different geometries, and the balance point of the opposing forces in the forks under braking. I might have another go when I am retired. Oh, I am retired. Memory not what it was. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Modified Steering Stem
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