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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
How Much Compression Reading Should A Twin Have & Leak Down
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<blockquote data-quote="CarlHungness" data-source="post: 174368" data-attributes="member: 2517"><p>There are hundreds of panel beaters across the world who can oxy aluminum. It's one of those disciplines that as soon as you get the 'mixture' right, you're on your way. The mixture is knowing what tip size to use (I'm using .043"), how much oxy...2 lbs, how much acetylene (or hydrogen) 2 lbs and being able to 'see' when the material just gets shiny.</p><p>You have to have the proper goggles, which I have. They used to make Burt weld lenses during WWII that eliminate</p><p>the orange glare from the flux, and TM technologies now makes a very good clone...about $275 US. It'll take me a while, but I'll get it down one day. So far I'm blowin' holes. Just have to get the torch within a nickel's height of the material. And, the coupons I'm practicing on probably are not large enough to absorb much heat. One should use 12"</p><p>square and I've been using 3' x 6". If <em>someone</em> learned it, I'll learn it eventually. If I stop now I know the outcome, and</p><p>that isn't in my personality. It took me 6 years to move from 3rd chair to 2nd chair in the orchestra with the violin</p><p>I built, but I didn't give that up either.</p><p> Regarding the Vincent I'm out of options on what to try next. My KS spring should be here tomorrow and will </p><p>start the process all over again. If it ran once, it'll run again. Seems like it is just not getting enough fuel, and then</p><p>when it does start, momentarily, it seems like it runs out of fuel. So do I have a vacuum leak I can't find? I've ticked off the best Vincent mechanic in the US, Glenn Bewley and he doesn't want any part of me now, and has been a friend for 30 years, so this is a costly hiccup. </p><p> He says 90 lbs compression is enough to run it, and it <em>was </em>running, and it sure seems like it has compression enough to start it, it's no easier to kick than ever before. I'm a little ticked off at mechanic Bill Jean and Sid Biberman who charged me a whole lot to go through the engine years back and they gave it back to me with the pistons hitting the valves, thus had to put compression plates under the cylinders, thus the low compression. </p><p> Expecting a lot out of myself? That's what I do, the result of a dysfunctional upbringing whereupon I was branded as an idiot. But I overcame that, I have books in every state in the US Union and in every country in the industrialized world, and was told there is <em>NO </em>way I could be accepted to the University of Colorado as I didn't have a high school diploma, hadn't taken the SAT tests, and five years later I graduated from <em>that</em> school #2 in the class.</p><p> I'm not going to let some mechanical device, the motorcycle, or an oxy torch beat me now.</p></blockquote><p></p>
[QUOTE="CarlHungness, post: 174368, member: 2517"] There are hundreds of panel beaters across the world who can oxy aluminum. It's one of those disciplines that as soon as you get the 'mixture' right, you're on your way. The mixture is knowing what tip size to use (I'm using .043"), how much oxy...2 lbs, how much acetylene (or hydrogen) 2 lbs and being able to 'see' when the material just gets shiny. You have to have the proper goggles, which I have. They used to make Burt weld lenses during WWII that eliminate the orange glare from the flux, and TM technologies now makes a very good clone...about $275 US. It'll take me a while, but I'll get it down one day. So far I'm blowin' holes. Just have to get the torch within a nickel's height of the material. And, the coupons I'm practicing on probably are not large enough to absorb much heat. One should use 12" square and I've been using 3' x 6". If [I]someone[/I] learned it, I'll learn it eventually. If I stop now I know the outcome, and that isn't in my personality. It took me 6 years to move from 3rd chair to 2nd chair in the orchestra with the violin I built, but I didn't give that up either. Regarding the Vincent I'm out of options on what to try next. My KS spring should be here tomorrow and will start the process all over again. If it ran once, it'll run again. Seems like it is just not getting enough fuel, and then when it does start, momentarily, it seems like it runs out of fuel. So do I have a vacuum leak I can't find? I've ticked off the best Vincent mechanic in the US, Glenn Bewley and he doesn't want any part of me now, and has been a friend for 30 years, so this is a costly hiccup. He says 90 lbs compression is enough to run it, and it [I]was [/I]running, and it sure seems like it has compression enough to start it, it's no easier to kick than ever before. I'm a little ticked off at mechanic Bill Jean and Sid Biberman who charged me a whole lot to go through the engine years back and they gave it back to me with the pistons hitting the valves, thus had to put compression plates under the cylinders, thus the low compression. Expecting a lot out of myself? That's what I do, the result of a dysfunctional upbringing whereupon I was branded as an idiot. But I overcame that, I have books in every state in the US Union and in every country in the industrialized world, and was told there is [I]NO [/I]way I could be accepted to the University of Colorado as I didn't have a high school diploma, hadn't taken the SAT tests, and five years later I graduated from [I]that[/I] school #2 in the class. I'm not going to let some mechanical device, the motorcycle, or an oxy torch beat me now. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
How Much Compression Reading Should A Twin Have & Leak Down
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