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Article #9307

Re: Best Buy Treated Me Like a Thief

#9307
From: trent
Date: Sun, 08 Jan 2006 03:26
26 lines
2471 bytes
Fred wrote:
> 
> trent wrote:
> 
> >>a muffler on a car is an everyday example of 'passive cancellation'.
> >
> >
> > I don't think muffling is considered cancellation, outside of the Bose
> > Marketing Department anyway.
> 
> Reference http://www.flowmastermufflers.com/performance.html :
> 
> "Our rich exhaust sound is created by Flowmaster's patented noise
> cancellation system, where exhaust sound energy is split and directed
> through slightly different paths.   Where the paths merge, the two parts
> of the sound energy are out of phase creating noise cancellation, much
> as two ripples colliding in a pond absorbing each others energy."

Total BS.  Take an engineering class.  Everybody knows that exhaust
noise is trapped inside of a muffler until it is full.  Then it is
replaced with a new, empty muffler.

trent
-- 
"This user has a pattern of behaviour in the usenet group chi.forsale
that borders on abusive."
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From: trent <oozenet@trentland.com>
Newsgroups: misc.consumers,chi.general,mn.general
Subject: Re: Best Buy Treated Me Like a Thief
Date: Sat, 07 Jan 2006 21:26:26 -0600
Organization: trentland
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