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General Chat (Vincent Related)
Winton Historic Racing, May 2021 Luis Gallur
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<blockquote data-quote="greg brillus" data-source="post: 140175" data-attributes="member: 597"><p>Problem is most early mechanical injections suit engines designed to put out power on full throttle only, anything in between is a real compromise. A proper timed injection like the one shown above is fine, but a lot of work obviously........The Horner's are trying injection because of continued aeration of the fuel in the fuel bowls on their race bikes........My thoughts are, they need to run some kind of pressurized system like pressure carb's on earlier aircraft engines. I think many people have made up alloy head stocks over the years........It will save weight but perhaps not as much as you like to think........the main bearing areas need to be beefed up, so this will counteract the effort to some extent........Perhaps a fabricated item might be better......who knows. There is very little weight saving in simply drilling holes in things, these days machining slots on a CNC mill is much better........It's all time and money.........but it does work well.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 140175, member: 597"] Problem is most early mechanical injections suit engines designed to put out power on full throttle only, anything in between is a real compromise. A proper timed injection like the one shown above is fine, but a lot of work obviously........The Horner's are trying injection because of continued aeration of the fuel in the fuel bowls on their race bikes........My thoughts are, they need to run some kind of pressurized system like pressure carb's on earlier aircraft engines. I think many people have made up alloy head stocks over the years........It will save weight but perhaps not as much as you like to think........the main bearing areas need to be beefed up, so this will counteract the effort to some extent........Perhaps a fabricated item might be better......who knows. There is very little weight saving in simply drilling holes in things, these days machining slots on a CNC mill is much better........It's all time and money.........but it does work well. [/QUOTE]
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General Chat (Vincent Related)
Winton Historic Racing, May 2021 Luis Gallur
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