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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Camshaft design
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<blockquote data-quote="passenger0_0" data-source="post: 90811" data-attributes="member: 208"><p>Unfortunately this conversation Grey One is of no real value to most followers of this forum and this is my last positing on this topic. You are simply wrong with your comments as I will demonstrate below.</p><p></p><p>Using the flat follower mathematical model described in the textbook Cam Design and Manufacturing Handbook (2002, Robert Norton), shown by the first figure below.</p><p></p><p>[ATTACH=full]19464[/ATTACH]</p><p></p><p>Following their method of analysis you get reasonable results until the lift get high (for our geometry and base circle, over 0.400” lift). Following this analysis you get the following impossible cam profile shown below:</p><p></p><p>[ATTACH=full]19465[/ATTACH]</p><p></p><p>The irregular location of the contact point between the cam and follower occurs when lift gets too high, causing the problems I mentioned earlier. QED.</p></blockquote><p></p>
[QUOTE="passenger0_0, post: 90811, member: 208"] Unfortunately this conversation Grey One is of no real value to most followers of this forum and this is my last positing on this topic. You are simply wrong with your comments as I will demonstrate below. Using the flat follower mathematical model described in the textbook Cam Design and Manufacturing Handbook (2002, Robert Norton), shown by the first figure below. [ATTACH=full]19464[/ATTACH] Following their method of analysis you get reasonable results until the lift get high (for our geometry and base circle, over 0.400” lift). Following this analysis you get the following impossible cam profile shown below: [ATTACH=full]19465[/ATTACH] The irregular location of the contact point between the cam and follower occurs when lift gets too high, causing the problems I mentioned earlier. QED. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Camshaft design
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