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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Series ‘A’ Valves
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<blockquote data-quote="oexing" data-source="post: 106793" data-attributes="member: 1493"><p>Still I don´t see any benefit in that threaded design. I wouldn´t want to cut any threads into the valve stem , provided you got a decent valve steel at all. So with modern material - I wouldn´t accept anything less - you´d have less of a problem to machine a typical recess for standard valve split collets or the three grooves type. </p><p> This threaded (dreaded) design seems to me just a fancy idea to be different from other manufacturers but in effect not to your advantage - as happened very often in earlier times when pride in the design offices prevented acceptance of proven solutions. </p><p></p><p> Vic</p></blockquote><p></p>
[QUOTE="oexing, post: 106793, member: 1493"] Still I don´t see any benefit in that threaded design. I wouldn´t want to cut any threads into the valve stem , provided you got a decent valve steel at all. So with modern material - I wouldn´t accept anything less - you´d have less of a problem to machine a typical recess for standard valve split collets or the three grooves type. This threaded (dreaded) design seems to me just a fancy idea to be different from other manufacturers but in effect not to your advantage - as happened very often in earlier times when pride in the design offices prevented acceptance of proven solutions. Vic [/QUOTE]
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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Series ‘A’ Valves
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