PSN-L Email List Message
Subject: Re: Modified sound card and datalogging and geophones
From: Gordon Couger gcouger@..........
Date: Sat, 23 Jul 2005 19:40:04 -0500
I was pretty sure it could happen in open air but it was a mix
of propane, butane and ethane not just propane as I remembered
Ethane will detonate in air and probably set off some of the
other gases. I a valley full of the stuff there would be all
kinds of concentrations and once a detonation started I expect
it would trigger every thing in its reach that would detonate
and burn most of the rest. Not something I would want to see.
But for a 2 liter bottle oxygen and acetylene flood filled from
a torch sounds like the most practical solution. If you want a
safer one put the exact amount of carbide in a gelatin capsule
to release the amount of C2H2 for the air in the bottle and drop
it in after the bottle is almost buried, screw the lid with the
igniter on and finish the burial and go on to the next one.
BOB BARNS wrote:
> The little I have read (
> suggests that something other than the correct fuel-air ratio
> to cause detonation.
> Gordon Couger wrote:
>> A propane air mixture will detonate if the mix is just right
>> used as fuel in detonation engines. The fuel to air ration
>> narrower and the conditions more critical than hydrogen or
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