Sound of multiple cylinder engine

Posted by Hendrik on October 03, 2006 at 16:00:36 from (84.85.78.15):

All 4-stroke engines have as many ignitions (power strokes) as they have cylinders during two full revolutions of the crankshaft. And for most engines the ignitions are equally spaced. Yet, and here comes my question, all engines have a particular sound to them. How come we can so easily tell a 4-cylinder from a 6-cylinder, just by listening to it, even if we are unfamiliar with the engines? Is it the acoustics of the exhaust manifold?
Any and all help appreciated. Hendrik

Replies:

• Re: Sound of multiple cylinder engine the Unforgiven 19:08:43 10/03/06 (0)
• Re: Sound of multiple cylinder engine B-maniac 19:06:43 10/03/06 (0)
• Re: Sound of multiple cylinder engine Rauville 18:30:28 10/03/06 (0)
• Re: Sound of multiple cylinder engine mjbrown 17:44:29 10/03/06 (1)
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• Re: Sound of multiple cylinder engine Coloken 16:45:35 10/03/06 (0)
• Re: Sound of multiple cylinder engine Allan In NE 16:04:16 10/03/06 (6)
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      • Re: Sound of multiple cylinder engine Harley 18:14:50 10/03/06 (2)
        • Re: Sound of multiple cylinder engine Butcher 18:47:20 10/03/06 (1)
          • Re: Sound of multiple cylinder engine Harley 05:41:34 10/04/06 (0)

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