07-15-2009, 07:47 PM | #11 |
Chaotic Neutral
Join Date: Feb 2008
Location: Cherry Hill NJ
Moto: GV1200 Madura, Hawk gt
Posts: 13,992
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damn you guys for posting that link. now ive got this unreasonable hope for a modern RGV 500 with direct gas and oil injection. again i know its never gonna happen. a-holes
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07-15-2009, 09:31 PM | #12 |
Moto GP Star
Join Date: Mar 2008
Posts: 14,556
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07-15-2009, 09:59 PM | #13 |
Chaotic Neutral
Join Date: Feb 2008
Location: Cherry Hill NJ
Moto: GV1200 Madura, Hawk gt
Posts: 13,992
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and now im addicted to youtube videos of gnome rotaries. never did know what those were called
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07-15-2009, 10:25 PM | #14 |
Soul Man
Join Date: Nov 2008
Location: Everywhere, all the time.
Moto: '0000 Custom Turbo Cross (with jet kit).
Posts: 6,481
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Yes! Exactly!
In an overhead valve engines didn't come along until the early 20th century, because everyone in the 19th century was using side valve engines sort of way. Other than that, yes, EXACTLY! JC
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07-15-2009, 10:28 PM | #15 |
Moto GP Star
Join Date: Feb 2008
Posts: 12,156
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07-15-2009, 10:49 PM | #16 |
Moto GP Star
Join Date: Mar 2008
Posts: 14,556
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Are you really that nit picky that you're gonna go on about where the intake valve happens to be situated in the diagram? You realize that some motor have sideways firing pistons right? Then what? Oh don't tell me you were the lead engine designer for Volvo in the 1970s....
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07-15-2009, 10:50 PM | #17 | |
WERA White Plate
Join Date: Feb 2008
Location: Renton, WA
Moto: Ninja 650R
Posts: 1,920
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I had heard early harleys- like pre WWII. Had springless intake valves. Seriously limited compression and RPMs.
Very cool link.
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07-15-2009, 11:03 PM | #18 |
Moto GP Star
Join Date: Mar 2008
Posts: 14,556
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No! That is not possible because the knower of all things says that it is not!!! The maker of this website is probably a mechanical engineering professor but I'm sure that A M J knows better!!! Yeesh!
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07-15-2009, 11:11 PM | #19 |
Moto GP Star
Join Date: Feb 2008
Posts: 12,156
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Springless intake valves but the exhaust had springs though? How in the hell would that work? The air would take the path of least resistance and blow back out the intake valves.
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07-15-2009, 11:45 PM | #20 |
Moto GP Star
Join Date: Mar 2008
Posts: 14,556
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Hmmm... well not if the valve is one way, so to speak... although I must confess to wonderin what keeps it seated until vacuum opens it? The pressure of the exhaust gasses until they are released?
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