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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Starting Problem - Series 'C' BIG Single
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<blockquote data-quote="Bill Thomas" data-source="post: 160361" data-attributes="member: 485"><p>It's your call Jez ,</p><p>But I can't agree, If anything I would go smaller Carb',</p><p>Can't see what you would get going bigger,</p><p>I thought we agreed, Rev's is NOT what we want ?,</p><p>Your piston speed would be too high ?.</p><p>And the air to petrol ratio , You would need even more petrol with a bigger carb' ?.</p><p></p><p>Peter is talking about that thing with an aircraft engine, Have you heard it ?.</p><p>He only rev's it to a few thousand !, You can count the bangs as he pulls away !.</p><p></p><p>Heat can be made if the ign's is too high or too low,</p><p>There is only one way to find out, </p><p>As long as you know the advance is working right , I would retard it 2 degrees.</p><p></p><p>But we also know it was as WEAK as hell with the carb',</p><p>Partly my fault, The way amal britbike gives us settings , For carb's, Not Bikes !,</p><p>I thought , They would be in the "Ball Park ",</p><p>They was Spot on with my Mk2 Amals, Which I was shocked about !,</p><p>So until that is sorted, it's hard to know what to do , "To Me ".</p><p></p><p>Your call , I am just guessing, I can only say what I would do.</p><p></p><p></p><p>Funny , I have never had pinking with a Vincent, And I have had SO many different Carb's,</p><p>On my bikes,</p><p> I even tried Strongbergs Off a car, It ran SO smooth slow running, Twin Vin',</p><p>But with the rev's It wouldn't keep the slide up !,</p><p>They had a rubber Diafram and the slide worked by air pressure,</p><p></p><p>Often thought of running one carb' between the two cylinders, </p><p>Or 2 carb's with a link pipe !.</p><p>But never got around to it.</p></blockquote><p></p>
[QUOTE="Bill Thomas, post: 160361, member: 485"] It's your call Jez , But I can't agree, If anything I would go smaller Carb', Can't see what you would get going bigger, I thought we agreed, Rev's is NOT what we want ?, Your piston speed would be too high ?. And the air to petrol ratio , You would need even more petrol with a bigger carb' ?. Peter is talking about that thing with an aircraft engine, Have you heard it ?. He only rev's it to a few thousand !, You can count the bangs as he pulls away !. Heat can be made if the ign's is too high or too low, There is only one way to find out, As long as you know the advance is working right , I would retard it 2 degrees. But we also know it was as WEAK as hell with the carb', Partly my fault, The way amal britbike gives us settings , For carb's, Not Bikes !, I thought , They would be in the "Ball Park ", They was Spot on with my Mk2 Amals, Which I was shocked about !, So until that is sorted, it's hard to know what to do , "To Me ". Your call , I am just guessing, I can only say what I would do. Funny , I have never had pinking with a Vincent, And I have had SO many different Carb's, On my bikes, I even tried Strongbergs Off a car, It ran SO smooth slow running, Twin Vin', But with the rev's It wouldn't keep the slide up !, They had a rubber Diafram and the slide worked by air pressure, Often thought of running one carb' between the two cylinders, Or 2 carb's with a link pipe !. But never got around to it. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Starting Problem - Series 'C' BIG Single
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