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Spraying dope with a window box fan

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Spraying dope with a window box fan

Old 11-27-2023, 04:55 PM
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fazer
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Default Spraying dope with a window box fan

Will spraying Butyrate dope for 1/3 scale airplanes create an explosion environment in a portable 6' X 8' spray booth with a box fan and furnace filter in a window or is an explosion proof fan absolutely needed?
Old 11-27-2023, 05:41 PM
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mgnostic
 
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Most fans use brushless induction motors. No brush, no spark, no explosion. If you are moving enough air to be able to stay in the booth it probably isn't concentrated enough to sustain combustion. Stagnant air where the fumes can collect in one place is more dangerous.
Old 11-28-2023, 09:52 AM
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Lee Taylor
 
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I would say that it is a huge mistake to try it
Old 11-28-2023, 10:30 AM
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Originally Posted by mgnostic
Most fans use brushless induction motors. No brush, no spark, no explosion. If you are moving enough air to be able to stay in the booth it probably isn't concentrated enough to sustain combustion. Stagnant air where the fumes can collect in one place is more dangerous.
+1, If you just move enough air through your enclosed space so that you can stand to be in there you should be fine. I'd worry more about using a proper cartridge respirator.

Last edited by Truckracer; 11-28-2023 at 12:10 PM.
Old 11-29-2023, 07:26 AM
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scale only 4 me
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I'm my cabinet business I've sprayed many many gallons of lacquer based paints with just household box fans going,, even with torpedo heaters going,, never blew myself up
Old 12-17-2023, 02:56 PM
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I've sprayed dope through a box fan in a single car garage for years. Haven't blown myself to bits yet.

carl

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