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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Flywheel Fit
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<blockquote data-quote="powella" data-source="post: 146768" data-attributes="member: 1609"><p>Hi Bill</p><p>No did not weld since this would mean another 8 operations.</p><p>Used a "Slip fit " of pin to inner dia. of sleeve , wheel bored to 1.248 +0 ,0005 , outside diameter of sleeve 1.250 -0.0005.</p><p>The shoulder of the sleeve was not used as there were good side plates to use.</p><p>Criteria for fitting was 2 tons of pressure minimum ,and to push the pin and sleeve into the wheel at the same time .If less than 2 tons the whole lot could be pushed out and a " different " sleeve made.</p><p>Fitting pressure was 4 tons constant finishing with a 6 ton final push.</p><p>The whole plot is now tightened on the crankpin nuts to around 100 ft pounds the nuts slackened off and the shafts trued up in the time honoured way of belting them with a Lead Hammer !!!</p><p>After checking ( 0.0005 and 0.001 readings ) the nuts are given a final tighten to 150 ft pounds which puts the assembly IN COMPRESSION with the side plates free to " float " in a permanent flow of oil.</p><p>Must now go and wash the wine glasses.</p><p> Regards Alan.</p></blockquote><p></p>
[QUOTE="powella, post: 146768, member: 1609"] Hi Bill No did not weld since this would mean another 8 operations. Used a "Slip fit " of pin to inner dia. of sleeve , wheel bored to 1.248 +0 ,0005 , outside diameter of sleeve 1.250 -0.0005. The shoulder of the sleeve was not used as there were good side plates to use. Criteria for fitting was 2 tons of pressure minimum ,and to push the pin and sleeve into the wheel at the same time .If less than 2 tons the whole lot could be pushed out and a " different " sleeve made. Fitting pressure was 4 tons constant finishing with a 6 ton final push. The whole plot is now tightened on the crankpin nuts to around 100 ft pounds the nuts slackened off and the shafts trued up in the time honoured way of belting them with a Lead Hammer !!! After checking ( 0.0005 and 0.001 readings ) the nuts are given a final tighten to 150 ft pounds which puts the assembly IN COMPRESSION with the side plates free to " float " in a permanent flow of oil. Must now go and wash the wine glasses. Regards Alan. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Flywheel Fit
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