

| Subject: | Re: Firewood |
| From: | ROBERT DONALDS |
| Date: | Fri, 17 Feb 2006 11:37:12 -0500 |
John When we raced the VW engines in the formula Vee class SCCA we had a fire bottle in the car with a chemical called purple K designed for magnesium fires I never had to try it junk case anyone Bob ----- Original Message ----- From: "John Rodgers" <inua@charter.net> To: "ROBERT DONALDS" <donalds1@verizon.net> Cc: <vanagon@GERRY.VANAGON.COM> Sent: Friday, February 17, 2006 10:49 AM Subject: Re: Firewood > Magnesium - once lit - will burn under water. Heat is so intense and > chemical reaction so fierce that it splits the oxygen from the water > molecule for it's own use in combustion. Tough to fight a fire like that > with water. CO2 extinguishers don't work very well either. The intensity > of the chemical reaction in the magnesium is such that it also splits off > the oxygen from the carbon in the CO2 and consumes it. Carbon is the > leftover byproduct of magnesium combustion and it makes a heck of a carbon > soot mess. The intensity of the cold of a discharging CO2 extinguisher > might chill the magnesium sufficiently to reduce and then snuff the > flame, but I would not count on it. I can't say I have ever seen a > magnesium fire extinguished successfully- it only went out when it burned > itself out. > > Regards, > > John Rodgers > 88 GL Driver > > > ROBERT DONALDS wrote: > >> I machine the bug cases so I have magnesium flakes that collect over time >> one night I took a large hand full out into the ally and lit it on fire >> not >> very impressive until I kicked it with my boot it then lighted up the >> ally >> like daylight and then some funny what a little sturring will do >> water will not put this out >> Bob >> >> >> ----- Original Message ----- >> From: "Bill Collins" <wb6otg@INTREX.NET> >> To: <vanagon@GERRY.VANAGON.COM> >> Sent: Friday, February 17, 2006 9:00 AM >> Subject: Re: Firewood >> >> >>> >Wood is nice, but I highly recommend burning an engine case (ala >>> >>>> Burning Van 06). >>> >>> >>> Just make sure no one throws water on it! Someone did that the last >>> time >>> they burned one at Everybus. (I think that's part of the reason it was >>> the >>> LAST time) >>> >>> Bill >>> >> >> > >
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