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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ATD Springs
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<blockquote data-quote="Ken Targett" data-source="post: 43381" data-attributes="member: 521"><p>Think I've got to disagree with you there, Martyn. The bob-weights do the advancing. The springs and the load of the magneto do the retarding.The more torque there is applied to the inner sleeve of the ATD to resist its rotation, the more it is going to try to retard the ATD. Possible causes for the effect that we agree does actually happen? ... ummm. 1. If the axial play between the inner and outer sleeves of the ATD is borderline, could the compression of the inner sleeve when the centre-nut is done up cause the sleeves to nip up? 2. If the radial clearance between the inner and outer sleeves of the ATD is borderline, could the radial expansion of the inner sleeve when the centre-nut is done up cause the sleeves to nip up? I remember that when I had this problem with my Venom, it only occurred when the thing was hot.</p><p></p><p>Ken.</p></blockquote><p></p>
[QUOTE="Ken Targett, post: 43381, member: 521"] Think I've got to disagree with you there, Martyn. The bob-weights do the advancing. The springs and the load of the magneto do the retarding.The more torque there is applied to the inner sleeve of the ATD to resist its rotation, the more it is going to try to retard the ATD. Possible causes for the effect that we agree does actually happen? ... ummm. 1. If the axial play between the inner and outer sleeves of the ATD is borderline, could the compression of the inner sleeve when the centre-nut is done up cause the sleeves to nip up? 2. If the radial clearance between the inner and outer sleeves of the ATD is borderline, could the radial expansion of the inner sleeve when the centre-nut is done up cause the sleeves to nip up? I remember that when I had this problem with my Venom, it only occurred when the thing was hot. Ken. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ATD Springs
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