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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Series B rear ends
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<blockquote data-quote="A_HRD" data-source="post: 21364" data-attributes="member: 49"><p>OK Ernie, now you've achieved your aim and embarrassed me into replying! </p><p></p><p>For one, I would strongly advise against using 3mm stainless in this application. It is too thin - especially as this is a nominal size and it tends to really be in the region of 2.8mm. Then remove a little more for the polishing they've done and you'll probably find its not much more than 100 thou. Going down a steep driveway in reverse could buckle it - ask Jack Barker - he knows! 5mm is just a little OTT, extremely heavy and the torque clips might not fit, so 4mm (5/32) should fit the bill. </p><p></p><p>Secondly, surely 3/4 inch shorter between centres is too much? The B RFM is 1/2 inch shorter, so why would you need 3/4s shorter 'twixt centres on the torque-arm? ? </p><p></p><p>If my fingers don't glue themselves to the metal in the freezing conditions, I'll do you a one-off mock-up and send it to you for a trial.... </p><p></p><p>("Thinks: Sigh, I'll never get my own restorations done at this rate... ;-) "</p><p></p><p>Peter B</p><p>Bristol, UK.</p></blockquote><p></p>
[QUOTE="A_HRD, post: 21364, member: 49"] OK Ernie, now you've achieved your aim and embarrassed me into replying! For one, I would strongly advise against using 3mm stainless in this application. It is too thin - especially as this is a nominal size and it tends to really be in the region of 2.8mm. Then remove a little more for the polishing they've done and you'll probably find its not much more than 100 thou. Going down a steep driveway in reverse could buckle it - ask Jack Barker - he knows! 5mm is just a little OTT, extremely heavy and the torque clips might not fit, so 4mm (5/32) should fit the bill. Secondly, surely 3/4 inch shorter between centres is too much? The B RFM is 1/2 inch shorter, so why would you need 3/4s shorter 'twixt centres on the torque-arm? ? If my fingers don't glue themselves to the metal in the freezing conditions, I'll do you a one-off mock-up and send it to you for a trial.... ("Thinks: Sigh, I'll never get my own restorations done at this rate... ;-) " Peter B Bristol, UK. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Series B rear ends
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