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ed_ma61 Forums Junkie Location: Lost in the K hole Registered: May 2002	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Fri, 15 October 2004 00:33 i think what were looking at is intake velocities in an unrestricted intake system (4 stroke): open pipe, throttle plate and intake port runner are on left, the in and ex valves (which are opening and closing) at centre/mid right, then exhaust primary pipe on far right. RED is the rightward moving wave BLUE is the leftward moving wave PINK is the pressure superposition the ascending, descending PINK column in the middle is cyl pressure... from: http://www.optimum-power.com/blair.htm intake and exhaust velocities @ 9000rpm: the following is the mach number for the same system: [Updated on: Fri, 15 October 2004 00:52] [Report message to a moderator]

	Subject	Poster	Date
	ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Mon, 11 October 2004 14:59
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	oldcorollas	Mon, 11 October 2004 15:13
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Mon, 11 October 2004 15:16
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Mon, 11 October 2004 15:23
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	bbaacchhyy	Mon, 11 October 2004 21:25
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	takai	Mon, 11 October 2004 21:43
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	bbaacchhyy	Mon, 11 October 2004 22:15
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Steve_Reynolds	Mon, 11 October 2004 23:10
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	gianttomato	Mon, 11 October 2004 23:22
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Ben Wilson	Tue, 12 October 2004 05:25
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	gianttomato	Wed, 13 October 2004 13:05
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	thechuckster	Wed, 13 October 2004 13:38
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	oldcorollas	Wed, 13 October 2004 13:51
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Wed, 13 October 2004 14:45
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Wed, 13 October 2004 14:48
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Wed, 13 October 2004 15:04
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Wed, 13 October 2004 14:58
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Wed, 13 October 2004 15:06
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Wed, 13 October 2004 15:07
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Wed, 13 October 2004 15:30
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Wed, 13 October 2004 15:40
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Wed, 13 October 2004 15:40
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Wed, 13 October 2004 15:42
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Wed, 13 October 2004 15:45
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Wed, 13 October 2004 15:50
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	bbaacchhyy	Wed, 13 October 2004 21:36
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Thu, 14 October 2004 01:34
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	bbaacchhyy	Thu, 14 October 2004 02:08
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Thu, 14 October 2004 02:26
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	moo4AGZETA22	Thu, 14 October 2004 02:49
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	bbaacchhyy	Thu, 14 October 2004 03:09
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	gianttomato	Thu, 14 October 2004 03:52
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Thu, 14 October 2004 04:15
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	gianttomato	Thu, 14 October 2004 04:27
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	bbaacchhyy	Thu, 14 October 2004 05:06
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	gianttomato	Thu, 14 October 2004 05:21
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	bbaacchhyy	Thu, 14 October 2004 05:32
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	boxh34d	Thu, 14 October 2004 12:21
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 00:22
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	justcallmefrank	Fri, 15 October 2004 00:39
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	mrshin	Thu, 14 October 2004 12:54
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	RWDboy	Thu, 14 October 2004 14:51
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Thu, 14 October 2004 15:17
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	gianttomato	Thu, 14 October 2004 21:25
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Thu, 14 October 2004 23:42
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 00:33
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 00:46
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	justcallmefrank	Fri, 15 October 2004 00:50
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 00:51
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	justcallmefrank	Fri, 15 October 2004 00:56
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	justcallmefrank	Fri, 15 October 2004 01:00
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 02:35
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	SupraPete	Fri, 15 October 2004 02:55
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	SupraPete	Fri, 15 October 2004 02:45
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 02:59
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 03:01
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	SupraPete	Fri, 15 October 2004 03:11
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	SupraPete	Fri, 15 October 2004 03:21
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	SupraPete	Fri, 15 October 2004 03:14
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	RWDboy	Fri, 15 October 2004 03:19
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 03:26
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	SupraPete	Fri, 15 October 2004 03:28
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 03:35
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	gianttomato	Fri, 15 October 2004 03:55
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Fri, 15 October 2004 04:44
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Fri, 15 October 2004 04:50
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	CelicaRA45	Sat, 16 October 2004 03:38
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	mrshin	Sat, 16 October 2004 13:30
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Sat, 16 October 2004 13:55
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	mrshin	Sat, 16 October 2004 14:37
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	RWDboy	Sun, 17 October 2004 08:29
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Sun, 17 October 2004 10:12
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	RWDboy	Sun, 17 October 2004 11:12
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Sun, 17 October 2004 12:13
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Sun, 17 October 2004 13:19
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	ed_ma61	Sun, 17 October 2004 22:55
	Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....	Bill Sherwood	Mon, 18 October 2004 02:40

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