Air Brush Paint Booth Takes Shape!
The original design I sketched had the fan housing sitting on top of the ventilation chambers as an external feature. With the box fabrication in progress and the components purchased and on-hand, experimentation with positioning was possible. Joe suggested that there is enough room in the ventilation chamber for the fan housing to be enclosed with the main body for the paint booth. Not a bad idea! There are several possible configurations which would require the location of the filter access door to be relocated. At this point, not a big deal. The below slideshow displays various component configuration possibilities: Feedback from a number of you has indicated concerns about the fan motor being an ignition source for flammable paint vapor.... As it turns out this motor does have exposed brushes! JUST KIDDING!!!! Ha ha ha....
Actually the fan motor (NuTone Model 696N) is an enclosed shaded pole, thermally protected, 120vAC, 60 Hz, .9 amp. design. I believe that given the travel distance the paint vapors will travel from the airbrush to the fan, via a filter, the potential for ignition with this fan motor is minimal. The real test will come when the motor's power is tested in the enclosed chamber to see if it is strong enough to maintain proper airflow out of the painting chamber. My initial calculations indicate that it will work. Chris
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