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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Series 'A' Oil Pump Modification
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<blockquote data-quote="Marcus Bowden" data-source="post: 150699" data-attributes="member: 3287"><p>No Tim as it felt so good and the actual usage of it was only a few thousand mikes if that, Pat Wilson built it about 1953 from back door bits of the ex-works as I remember him having a friendly argument when driving back from Rugby after the 1969 annual dinner when Vincent & HRD were present on the top table, Pat was saying how much quieter it was with the chain drive and Vincent that it wouldn't have the reliability that gears gave to the timing. As you know I have a few more Comet engines and have started modifying another set to fit the Honda oil pump but directing it's outlet into the filter housing so all the oil is filtered then fed into B/E as the works tried plain bearings on the early Flashes but the oil supply was not constant so didn't last so was abandoned. Godet racing 500's use a plain bearing. !</p><p> The new rear frame being fabricated in 1" Dia S/S as the Original rotted through after being zinc plated and chemicals got inside the tubes then left for 30 years as I've had it since 1976 found the picture of it in Jan 78 front cover of MPH as I noticed the shape of the oil tank as it was a photo Sid Biberman took in 53 or 54 when he was over visiting the works.</p><p>[ATTACH=full]46773[/ATTACH]</p><p></p><p></p><p></p><p></p><p>[ATTACH=full]46774[/ATTACH]</p></blockquote><p></p>
[QUOTE="Marcus Bowden, post: 150699, member: 3287"] No Tim as it felt so good and the actual usage of it was only a few thousand mikes if that, Pat Wilson built it about 1953 from back door bits of the ex-works as I remember him having a friendly argument when driving back from Rugby after the 1969 annual dinner when Vincent & HRD were present on the top table, Pat was saying how much quieter it was with the chain drive and Vincent that it wouldn't have the reliability that gears gave to the timing. As you know I have a few more Comet engines and have started modifying another set to fit the Honda oil pump but directing it's outlet into the filter housing so all the oil is filtered then fed into B/E as the works tried plain bearings on the early Flashes but the oil supply was not constant so didn't last so was abandoned. Godet racing 500's use a plain bearing. ! The new rear frame being fabricated in 1" Dia S/S as the Original rotted through after being zinc plated and chemicals got inside the tubes then left for 30 years as I've had it since 1976 found the picture of it in Jan 78 front cover of MPH as I noticed the shape of the oil tank as it was a photo Sid Biberman took in 53 or 54 when he was over visiting the works. [ATTACH type="full" alt="IMG_3744.jpeg"]46773[/ATTACH] [ATTACH type="full" alt="IMG_3744.jpeg"]46774[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Series 'A' Oil Pump Modification
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