Homemade fume extractor

advmaker

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Aug 5, 2019
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Just testing out a cheap way to suck fumes. Seems to work with a $15 fan.
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Flammable fumes? Fans aren't electrically protected so explosion risk if you're sucking flammable fumes.
 
Shaded pole motors, like small fans, are inherently explosion-proof, since there is no spark like there is with a centrifugal switch on a larger induction motor.
 
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