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Jayem Forums Junkie Location: Finland Registered: November 2002	Re: Help needed with designing... Tue, 16 September 2003 13:15 I have more than 10 years ago studied ALOT about air flow on air intake and wing dynamics due to my RC-airplane hobby and common interest to airplanes. I have forgotten most of it now because cars are far more interesting now. My own humble theories are that bellmouth side of butterfly there is over pressure and valve side there is under pressure and there are turbulence on both side but far more on less pressured side. This is valid at fully or nearly open butterfly but at idle engine generates heaps more under pressure(suck) than air flow can generate in collision to butterfly. I wanna add that I KNOW that there aint under pressure, only vacuum and pressure. Some smart-arse was going to correct me . Anyway, I would do as long as I could from bellmouths with even mild narrowing for accelerating air flow and slightly compressing it. Also parallel it. Mouth itself would have desing like pic2 but bit more (round) edge on inside "lip". Have a look to jet airplane air intake and you know what I mean. These are some of my theories and propably nowhere near truth. This why I would like to have some help. Feel free to correct me. Engjish? [Report message to a moderator]

	Subject	Poster	Date
	Help needed with designing...	Jayem	Mon, 15 September 2003 15:35
	Re: Help needed with designing...	shinybluesteel	Mon, 15 September 2003 23:24
	Re: Help needed with designing...	Steve M	Tue, 16 September 2003 04:48
	Re: Help needed with designing...	ed_ma61	Tue, 16 September 2003 06:12
	Re: Help needed with designing...	oldcorollas	Tue, 16 September 2003 11:07
	Re: Help needed with designing...	ed_ma61	Tue, 16 September 2003 11:12
	Re: Help needed with designing...	Jayem	Tue, 16 September 2003 13:15
	Re: Help needed with designing...	oldcorollas	Tue, 16 September 2003 13:56
	Re: Help needed with designing...	ed_ma61	Tue, 16 September 2003 15:41
	Re: Help needed with designing...	ed_ma61	Tue, 16 September 2003 16:11
	Re: Help needed with designing...	ed_ma61	Mon, 10 May 2004 08:26
	Re: Help needed with designing...	takai	Mon, 10 May 2004 08:38
	Re: Help needed with designing...	ed_ma61	Mon, 10 May 2004 09:15
	Re: Help needed with designing...	YelloRolla	Mon, 10 May 2004 08:46

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