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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Running without ESA
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<blockquote data-quote="davidd" data-source="post: 75603" data-attributes="member: 1177"><p>Howard,</p><p></p><p>I tend to favor the ESA. I have read many stories of Norton boxes suffering damage without an ESA. I think you could get away with a lot due to the strength of the Vincent box, but in the end, I think they are a help. I think a cush drive in the clutch might be a more reliable solution. </p><p></p><p>From what I understand the pulses from a running four stroke are incredibly harsh and hard on all the drive components including the rear tire. This is easy to understand with a big single banging away every other rotation with the attendant speeding up and slowing down with each explosion. A twin is not much better as the 50 degree firing can be seen as one much longer bang. The fly wheel is the primary ESA as it is absorbing pulses with its momentum. The gear box is protected by the ESA or the clutch cush drive and the rear tire adhesion is smoothed considerably by the rear wheel cush drive. I tend to see it as a one way system in that the benefits do not readily run back upstream.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 75603, member: 1177"] Howard, I tend to favor the ESA. I have read many stories of Norton boxes suffering damage without an ESA. I think you could get away with a lot due to the strength of the Vincent box, but in the end, I think they are a help. I think a cush drive in the clutch might be a more reliable solution. From what I understand the pulses from a running four stroke are incredibly harsh and hard on all the drive components including the rear tire. This is easy to understand with a big single banging away every other rotation with the attendant speeding up and slowing down with each explosion. A twin is not much better as the 50 degree firing can be seen as one much longer bang. The fly wheel is the primary ESA as it is absorbing pulses with its momentum. The gear box is protected by the ESA or the clutch cush drive and the rear tire adhesion is smoothed considerably by the rear wheel cush drive. I tend to see it as a one way system in that the benefits do not readily run back upstream. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Running without ESA
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