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Date:         Wed, 4 Aug 2004 12:50:27 -0600
Reply-To:     don spence <dspence@OANET.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         don spence <dspence@OANET.COM>
Subject:      Re: Fire Suppression Solutions
In-Reply-To:  <200408041635.i74GZcL22366@moe.oanet.com>
Content-Type: text/plain; charset=US-ASCII; format=flowed

Not starting an argument but the CO2 extinguisher outputs "dry ice" as a result of the cooling of expanding gas. In other words it both cuts off air supply and cools the area. Also a lot easier to clean up. The important thing here is the size of the cylinder. Tiny is not what you want. On Wednesday, August 4, 2004, at 10:49 AM, Automatic digest processor wrote:

> From: Andrew Grebneff <andrew.grebneff@STONEBOW.OTAGO.AC.NZ> > Subject: Re: Fire Suppression Solutions > >> The chemical cylinder would need to be big enough to >> completely flood the engine compartment sufficiently so that even with >> the chemicals that would escape out the bottom under the engine, there >> would be enough going into the area to suffocate any flames. > > The thing we were told on our extinguisher course was that you must > not only out the fire out, you must cool things down so that there is > no reignition. This is one thing where dry-powder extinguishers are > superior. We were told that for fires above floor/ground-level, > carbon dioxide flows down and this often allows the fire to reignite. >


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