</font><blockquote><font size="1" face="Verdana,Tahoma,Arial,Helvetica,Geneva">quote:</font><hr /><font size="2" face="Verdana,Tahoma,Arial,Helvetica,Geneva">Originally posted by lugerholsterrepair:
<strong>Most would have gone up the chimney though wouldn't it?</strong></font><hr /></blockquote><font size="2" face="Verdana,Tahoma,Arial,Helvetica,Geneva">Figure out the volume of gas expansion of an amount of burning powder, the speed of combustion; compare to the volume of the fireplace and the speed of exhaustion through the chimney (which is essentially convective, not pressure).
I would guess that the gout of flame and smoke out of the front of the fireplace was...startling.
--Dwight
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