File puptcrit/puptcrit.0909, message 280


Date: Mon, 21 Sep 2009 22:55:12 -0400
To: puptcrit-AT-puptcrit.org
Subject: Re: [Puptcrit] Need recommendations for smoke illusion


One idea not mentioned yet is water mist.  It might be put in a 
hair-spray type bottle.  I have seen some spray bottles that can be 
pumped up with air pressure so that you can get a continuous flow for 
a while.  However, this smoke effect would not really float like 
smoke should and would have minimal visual impact. It would probably 
need back lighting to show up well.

When I've done the talcum powder version, I had a small pill bottle 
that contained a small amount of the powder, and had two tubes 
entering the pill bottle.  The longer tube went to the air source and 
reached down into the bottom of the pill bottle into the powder. Then 
the short tube only went into the bottle a bit, and was how the 
"smoke" exited from the pill bottle. This produced a nice even cloud 
and controlled the quantity of power that I used.

Note that corn starch will not work if you use your breath as the air 
source, because it will clump.  Also, if you were to use a large 
quantity of corn starch (I am guessing anything significantly more 
than you would apply to a baby), I would be concerned about fire. A 
cloud of corn starch is flammable.  Talcum powder cannot be made to burn.


Joe Dunfee  joe-AT-dunfee.com
Gordonville, Pennsylvania, U.S.A. 

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