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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Dynamo Fitting
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<blockquote data-quote="oexing" data-source="post: 163917" data-attributes="member: 1493"><p>When you are going to set up the case on the mill, you could face the shoulder on primary inside where your oil ring seats. On this face you can have a v-ring sealing quite well. The effect is like an oil slinger but with a contact on the alu face - no problem. The sealing lip is very soft and great when you cannot have concentric bores with o-rings or other seals in there for radial sealing lips. When having axial sealing lip like with v-rings it does not matter if there is some offset as long as the lip keeps within the milled face. Just you have to provide a bit of step on the rear of sprocket to pull the all-NBR rubber onto this for spinning with the sprocket and light axial contact on that face behind the sprocket. See in photo below one v-ring loosely on sprocket, one on the bench. </p><p></p><p> Vic</p><p>[URL unfurl="true"]https://www.ebay.de/itm/383769386685?hash=item595a701ebd:g:yqQAAOSwUjRdgP~~&amdata=enc%3AAQAHAAAA0OgqysPqV2PAaScsrLpTAVjyNeZ1Za4yJOZYPujUmbSclDwQkKkur5vTfnOn5%2FcEzu184HEUoSazjAestEWdewSuIq7CrmksR0eFYWLHCdhLZu6%2F6xJq%2F8J80qyiRNNXvq0KrWCwn5uSekXI2zAFtlQ888wU67uL3lVvEGqC8vnWFTHuvkWnvsScwo37Bd0r0jBI0yJFqSq74Lbu1vhyjY4pSOnSzr7XxoahiFpoE%2Fa%2BYc%2FTA6zG7L6xmhXylErBGxV7AAtEsQYmx1Y3pmgc1Fc%3D%7Ctkp%3ABk9SR5iftbr6YA[/URL]</p><p></p><p>[ATTACH=full]53766[/ATTACH]</p></blockquote><p></p>
[QUOTE="oexing, post: 163917, member: 1493"] When you are going to set up the case on the mill, you could face the shoulder on primary inside where your oil ring seats. On this face you can have a v-ring sealing quite well. The effect is like an oil slinger but with a contact on the alu face - no problem. The sealing lip is very soft and great when you cannot have concentric bores with o-rings or other seals in there for radial sealing lips. When having axial sealing lip like with v-rings it does not matter if there is some offset as long as the lip keeps within the milled face. Just you have to provide a bit of step on the rear of sprocket to pull the all-NBR rubber onto this for spinning with the sprocket and light axial contact on that face behind the sprocket. See in photo below one v-ring loosely on sprocket, one on the bench. Vic [URL unfurl="true"]https://www.ebay.de/itm/383769386685?hash=item595a701ebd:g:yqQAAOSwUjRdgP~~&amdata=enc%3AAQAHAAAA0OgqysPqV2PAaScsrLpTAVjyNeZ1Za4yJOZYPujUmbSclDwQkKkur5vTfnOn5%2FcEzu184HEUoSazjAestEWdewSuIq7CrmksR0eFYWLHCdhLZu6%2F6xJq%2F8J80qyiRNNXvq0KrWCwn5uSekXI2zAFtlQ888wU67uL3lVvEGqC8vnWFTHuvkWnvsScwo37Bd0r0jBI0yJFqSq74Lbu1vhyjY4pSOnSzr7XxoahiFpoE%2Fa%2BYc%2FTA6zG7L6xmhXylErBGxV7AAtEsQYmx1Y3pmgc1Fc%3D%7Ctkp%3ABk9SR5iftbr6YA[/URL] [ATTACH type="full"]53766[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Dynamo Fitting
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