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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cam Wear
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<blockquote data-quote="druridge" data-source="post: 93621" data-attributes="member: 3754"><p>Would a measure of the height of 'static head' - that point at which the pump pressure will support the oil to, be a possible way to measure individual pump efficiency? Imagine the return pipe removed at the bottom banjo bolt, then a clear pipe fitted over the end of a short banjo pipe (the same diam as the return pipe would be good) and pointed straight up. We need the oil to lift the eg 18" back from the pump to the usual pipe exit into the oil tank; we should see the oil in the clear pipe at least get above this point (vertically). If the oil is pumped up to 6" above this point (before the oil level stops rising and it sits at equilibrium in the pipe), that could be seen as good, 12" above this point better, etc? I wonder has anyone done this before on a Vincent? This could also give an indication of 'spare in the system' ,allowing oil flow modifications to be monitored?</p><p>Have I got this right?</p></blockquote><p></p>
[QUOTE="druridge, post: 93621, member: 3754"] Would a measure of the height of 'static head' - that point at which the pump pressure will support the oil to, be a possible way to measure individual pump efficiency? Imagine the return pipe removed at the bottom banjo bolt, then a clear pipe fitted over the end of a short banjo pipe (the same diam as the return pipe would be good) and pointed straight up. We need the oil to lift the eg 18" back from the pump to the usual pipe exit into the oil tank; we should see the oil in the clear pipe at least get above this point (vertically). If the oil is pumped up to 6" above this point (before the oil level stops rising and it sits at equilibrium in the pipe), that could be seen as good, 12" above this point better, etc? I wonder has anyone done this before on a Vincent? This could also give an indication of 'spare in the system' ,allowing oil flow modifications to be monitored? Have I got this right? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cam Wear
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