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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Who's Vincent/Hrd has the most power?
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<blockquote data-quote="Monkeypants" data-source="post: 44280" data-attributes="member: 2708"><p>My point was that the wide tires give a comfortable ride when going fast on rough roads. If you want to run five or six hundred miles in a day and not feel destroyed, comfort is important.</p><p></p><p>And changing the standard Vincent from skinny stock tires to something a bit wider was done to meet the tire manufacturers load rating. The only Avon Roadrider sized for fitment onto the stock rear wm2 rim is the 3.25x 19 universal. The load rating on that tire is 467 pounds. With two people on board and luggage, this little tire is grossly overloaded.</p><p>The switch to wm3 x18 rear rim permits fitment of a wider and deeper tire which gives a 620 pound load rating, just enough to cover the load. The improvement in ride quality is a bonus.</p><p></p><p>"NB The Irving Vincents are a different kettle of fish" How different? Their first really fast 1300, the one that did so well when it debuted in 2003, was rated at 135 hp by them. It used Terry Prince top ends with the Trease head design. , On later bikes they built their own top ends, but power per cc was about the same according to their numbers. Up until the four valve head, did they stray far from that Trease design?</p><p> From article "The project began in 1999, when Ken began searching for suppliers of remanufactured Vincent engine components. Finding that parts were exorbitantly priced and insufficient for the goals he had in mind, he decided to build the engine from scratch with some help via Terry Prince Vincent in New South Wales. Ken designed and manufactured the bottom end components and crankcases at KHE, while TPV provided updated reproduction heads" I think this article is almost correct except I recall from another earlier interview the bike actually used complete 92mm TPV top ends. Glen</p></blockquote><p></p>
[QUOTE="Monkeypants, post: 44280, member: 2708"] My point was that the wide tires give a comfortable ride when going fast on rough roads. If you want to run five or six hundred miles in a day and not feel destroyed, comfort is important. And changing the standard Vincent from skinny stock tires to something a bit wider was done to meet the tire manufacturers load rating. The only Avon Roadrider sized for fitment onto the stock rear wm2 rim is the 3.25x 19 universal. The load rating on that tire is 467 pounds. With two people on board and luggage, this little tire is grossly overloaded. The switch to wm3 x18 rear rim permits fitment of a wider and deeper tire which gives a 620 pound load rating, just enough to cover the load. The improvement in ride quality is a bonus. "NB The Irving Vincents are a different kettle of fish" How different? Their first really fast 1300, the one that did so well when it debuted in 2003, was rated at 135 hp by them. It used Terry Prince top ends with the Trease head design. , On later bikes they built their own top ends, but power per cc was about the same according to their numbers. Up until the four valve head, did they stray far from that Trease design? From article "The project began in 1999, when Ken began searching for suppliers of remanufactured Vincent engine components. Finding that parts were exorbitantly priced and insufficient for the goals he had in mind, he decided to build the engine from scratch with some help via Terry Prince Vincent in New South Wales. Ken designed and manufactured the bottom end components and crankcases at KHE, while TPV provided updated reproduction heads" I think this article is almost correct except I recall from another earlier interview the bike actually used complete 92mm TPV top ends. Glen [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Who's Vincent/Hrd has the most power?
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