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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Perfidious Albion
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<blockquote data-quote="vibrac" data-source="post: 66143" data-attributes="member: 60"><p>[ATTACH=full]13477[/ATTACH] </p><p>Here are the bottom gear set that was in my box No3 (top) and the 'standard' bottom gear set I have taken from my Albion gear cache (bottom)</p><p>As I suspected i8/30 is the nearest I can do against a 19/29 of the No5 box generally used on the original Grey Flash. I think that one tooth will not matter too much. A point to note with these boxes is that the smaller gear is often (for example on the standard set) the same tooth count as on the mainshaft top gear and at first glance they look identical but only one gear has a slightly raised edge (visible in the top small gear) this can be used on either shaft but one with a raised edge must be used on the layshaft (pointing away from the sprocket end).Why did Albion not produce both the gears with the raised edge you may well ask..yes indeed,why not? thats why I call them perfidious<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p>I will now assemble the box, workout the overall ratios and this time sort out a chart of speeds in the gears against rear sprocket sizes</p></blockquote><p></p>
[QUOTE="vibrac, post: 66143, member: 60"] [ATTACH=full]13477[/ATTACH] Here are the bottom gear set that was in my box No3 (top) and the 'standard' bottom gear set I have taken from my Albion gear cache (bottom) As I suspected i8/30 is the nearest I can do against a 19/29 of the No5 box generally used on the original Grey Flash. I think that one tooth will not matter too much. A point to note with these boxes is that the smaller gear is often (for example on the standard set) the same tooth count as on the mainshaft top gear and at first glance they look identical but only one gear has a slightly raised edge (visible in the top small gear) this can be used on either shaft but one with a raised edge must be used on the layshaft (pointing away from the sprocket end).Why did Albion not produce both the gears with the raised edge you may well ask..yes indeed,why not? thats why I call them perfidious:) I will now assemble the box, workout the overall ratios and this time sort out a chart of speeds in the gears against rear sprocket sizes [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Perfidious Albion
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