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earlyrolla Regular Location: Perth Registered: May 2003	Re: Mehanical engineers or other informed people - supercharger questions Tue, 14 December 2004 11:31 Originally I wasn't too sure, but the more I thought about, the supercharger should further compress the air. Ths supercharger moves the air at its inlet to its outlet in a ratio proportional to engine speed. If the air at the inlet is at atmospheric pressure then once moved into the intake by the supercharger it will be compressed to 'x' density. If the air is already compressed to 'y' density then it would make sense that moving the air at a greater density into the intake manifold would in turn produce an even greater air density in the intake manifold, say 'z' density. That make sense? The supercharger displaces a set volume of air per revolution, e.g. an M90 (Eaton) displaces 1.5L per rev at atmospheric pressure. Then if you doubled the pressure (at the intake to the supercharger) but kept the overall volume the same you have approximately doubled the density of air and hence mass of air that you move through the supercharger per rev, i.e. approximately 3L per rev. It seems logical, but I may be completely wrong. [Report message to a moderator]

	Subject	Poster	Date
	Mehanical engineers or other informed people - supercharger questions	JAZE	Sun, 12 December 2004 12:31
	Re: Mehanical engineers or other informed people - supercharger questions	oldcorollas	Sun, 12 December 2004 13:52
	Re: Mehanical engineers or other informed people - supercharger questions	b1gb3n	Sun, 12 December 2004 14:09
	Re: Mehanical engineers or other informed people - supercharger questions	JAZE	Sun, 12 December 2004 14:10
	Re: Mehanical engineers or other informed people - supercharger questions	oldcorollas	Mon, 13 December 2004 03:49
	Re: Mehanical engineers or other informed people - supercharger questions	earlyrolla	Mon, 13 December 2004 11:34
	Re: Mehanical engineers or other informed people - supercharger questions	SupraPete	Mon, 13 December 2004 00:37
	Re: Mehanical engineers or other informed people - supercharger questions	JAZE	Mon, 13 December 2004 14:31
	Re: Mehanical engineers or other informed people - supercharger questions	earlyrolla	Tue, 14 December 2004 11:31
	Re: Mehanical engineers or other informed people - supercharger questions	Norbie	Tue, 14 December 2004 12:05
	Re: Mehanical engineers or other informed people - supercharger questions	JAZE	Tue, 14 December 2004 12:56
	Re: Mehanical engineers or other informed people - supercharger questions	oldcorollas	Tue, 14 December 2004 13:47
	Re: Mehanical engineers or other informed people - supercharger questions	M.W.P.	Tue, 14 December 2004 16:54
	Re: Mehanical engineers or other informed people - supercharger questions	JAZE	Tue, 14 December 2004 17:02

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