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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Strange Comet engine.
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<blockquote data-quote="oexing" data-source="post: 142781" data-attributes="member: 1493"><p>Bill, you better bin the between-centers-check on the lathe. Looks impressive but you cannot know what the crank does when assembled in the engine when supported by main bearings. That is why I recommend to put crank on main bearing places on little bearings or on V-slots made of plywood or alu, perfectly OK for checking runout on crank ENDS. No use to put the clock on same place above the bearings, you always get zero in that case. </p><p>Look into my youtube clip below to see how I do for decades, no questionable procedure using centers in shafts and meditating after this what you will get later in the engine .</p><p></p><p> Vic</p><p>crank check clip:</p><p><a href="https://www.youtube.com/watch?v=A_h9m3NWmr4" target="_blank">HRD crank</a></p></blockquote><p></p>
[QUOTE="oexing, post: 142781, member: 1493"] Bill, you better bin the between-centers-check on the lathe. Looks impressive but you cannot know what the crank does when assembled in the engine when supported by main bearings. That is why I recommend to put crank on main bearing places on little bearings or on V-slots made of plywood or alu, perfectly OK for checking runout on crank ENDS. No use to put the clock on same place above the bearings, you always get zero in that case. Look into my youtube clip below to see how I do for decades, no questionable procedure using centers in shafts and meditating after this what you will get later in the engine . Vic crank check clip: [URL='https://www.youtube.com/watch?v=A_h9m3NWmr4']HRD crank[/URL] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Strange Comet engine.
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