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Johns Web Site
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Date: 3-8-2018
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Number of Hours: 0.00
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Manual Reference:
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Brief Description: Paint Booth
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One of the important factors to achieve a good paint job, especially for an amateur, is control of the painting environment. This includes temperature, humidity, air current, direct sunlight,dust, bugs, and other forms of debris.
To create this controlled environment, without practical access to a large professional paint booth, I decided to design an inexpensive, temporary, paint booth in my hangar. The booth design I came up with is eight feet wide, eight feet tall, and twenty-four feet long. It is constructed primarily from 2”x 2”x 8' dimension lumber, a roll of Visqueen, some plywood for gussets and fan/filter boxes, and 1/8” thick Masonite sheets for the floor, and lots of drywall screws.
There is a fan/filter box on each end of the booth. The inlet box has a three speed, 20-inch fan on the input side, and four 20” x 25” x 1” filters on the output side. The outlet box has four more filters on the input side, and a three speed, 20-inch fan on the output side. This arrangement provides clean filtered air into the booth, and filters the air exiting the booth to keep over-spray from exiting the booth or coating the exhaust fan.
Light is provided by eight overhead LED shop light fixtures providing 4500 lumens each.
Compressed air for the paint gun is provided by an old Sears compressor rated at 7.4 cfm at 40 psi, with an on-board filter and regulator. The air is plumbed to the side of the paint booth and into a large, homemade, desiccant air dryer. The dried air is plumbed into the booth through a final filter and regulator.
There is a four-foot wide door on the side for sub-component access, and the entire outlet end wall is hinged to provide access for the fuselage and wings.
There are mounting points on the inside of the booth to temporarily hold the control surfaces after painting, so they can cure in the controlled environment.
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View From Outlet End
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Interior View of the Inlet End
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Control Surfaces Curing Rack
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