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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Primary Belt drive by Bob Newby
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<blockquote data-quote="davidd" data-source="post: 41844" data-attributes="member: 1177"><p>Glen,</p><p></p><p>I have been racing with a completely englosed cover in the last season of racing and I would not consider this high risk. I suspect a cooling air flow would do more for the clutch than the belt. I think it was Roland Pike that discovered that a primary chain drive used about 2 hp of energy that is efficiently turned into heat. Carleton Palmer ran an unventilated stock primary cover on his Flash for years with a belt. </p><p></p><p>Personally, I would run it closed. Pebbles will cause a belt to break in a nanosecond. If vented, screens would be a "must".</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 41844, member: 1177"] Glen, I have been racing with a completely englosed cover in the last season of racing and I would not consider this high risk. I suspect a cooling air flow would do more for the clutch than the belt. I think it was Roland Pike that discovered that a primary chain drive used about 2 hp of energy that is efficiently turned into heat. Carleton Palmer ran an unventilated stock primary cover on his Flash for years with a belt. Personally, I would run it closed. Pebbles will cause a belt to break in a nanosecond. If vented, screens would be a "must". David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Primary Belt drive by Bob Newby
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