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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Camshaft
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<blockquote data-quote="oexing" data-source="post: 105090" data-attributes="member: 1493"><p>Norman got a copied cam that I did from a genuine Andrews set of cams I had for almost 30 years. Well, some projects take longer than you did think at that time. Anyway, we wanted to see if these cams would be a recommendation for more people as I believe Megacycle still do exactly this version of MK 2 , developed by Andrews - which were taken over by Megacycle and described as "modified " MK 2 s. Just looking at my Andrews I expected at least SOME quieting ramps and judging from the very great finish I do believe the guys at Andrews knew their business well enough to recommend these cams. Norman was able to confirm quieting ramps, albeit a bit less on the closing side of the lobes. There is a lot of measuring uncertainty in our setups so we do not claim to have absolute truth in our findings. But anyway , these cams seem to be the best that is still available and semi-professionally measured as well. </p><p> I got three sets from Andrews in the eighties and do not believe there were no other sets in use in bikes whose owners have a look into this forum and could provide some real life experience from road or track mileage ???</p><p> We do not pretend to be able to design cam shapes so no need to discuss this matter. Our object was to compare this set with anything that may be around for copying or new production in order to possibly enhance some future spares for better wearing valve train. </p><p>So hopefully this is allright for Norman when I ask for more info on any cams suitable for measuring and completing databases ?? I do not think they did everything in an optimal way more than half a century ago at the factory . So a more modern pattern for copying and new production - or just a bit of tweaking the Megacycle cams , should there be minor imperfections - may be seen positive in the club ??</p><p></p><p> Vic</p><p></p><p>My copied Andrews cams :</p><p>[ATTACH=full]26184[/ATTACH]</p></blockquote><p></p>
[QUOTE="oexing, post: 105090, member: 1493"] Norman got a copied cam that I did from a genuine Andrews set of cams I had for almost 30 years. Well, some projects take longer than you did think at that time. Anyway, we wanted to see if these cams would be a recommendation for more people as I believe Megacycle still do exactly this version of MK 2 , developed by Andrews - which were taken over by Megacycle and described as "modified " MK 2 s. Just looking at my Andrews I expected at least SOME quieting ramps and judging from the very great finish I do believe the guys at Andrews knew their business well enough to recommend these cams. Norman was able to confirm quieting ramps, albeit a bit less on the closing side of the lobes. There is a lot of measuring uncertainty in our setups so we do not claim to have absolute truth in our findings. But anyway , these cams seem to be the best that is still available and semi-professionally measured as well. I got three sets from Andrews in the eighties and do not believe there were no other sets in use in bikes whose owners have a look into this forum and could provide some real life experience from road or track mileage ??? We do not pretend to be able to design cam shapes so no need to discuss this matter. Our object was to compare this set with anything that may be around for copying or new production in order to possibly enhance some future spares for better wearing valve train. So hopefully this is allright for Norman when I ask for more info on any cams suitable for measuring and completing databases ?? I do not think they did everything in an optimal way more than half a century ago at the factory . So a more modern pattern for copying and new production - or just a bit of tweaking the Megacycle cams , should there be minor imperfections - may be seen positive in the club ?? Vic My copied Andrews cams : [ATTACH type="full" alt="26184"]26184[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Camshaft
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