Retractable Green Screen

Retractable Green Screen

I have had a green screen for a few years now. I never use it, because of light issues and didn’t have any where to hang it. I have fixed both those problems. The first was the lighting. I have added three 4′ lights to the shop that greatly improves the over all brightness. To fix the hanging of the green screen I have came up with a way the make it retract up to the ceiling. The screen is 5′ X 10′ and I get plenty of coverage.  lets take a look at the design for the retractable Green Screen. Any and all links for materials will be below. 
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Supply Links

DPDT Switch12V MotorGreen Screen, Lights, Wire, Power Supply, Power supply leads, 5/8 bearing, velcro
Wiring of the switch is pretty easy. The DPDT switch has 6 leads. A and D Lead are used for the Motor. It DOESN’T matter on polarity. It also don’t matter if you use C and F for the motor. The OPPOSITE side of the switch C and F is hooked up to OPPOSITE CORNERS of the other side. For EXAMPLE A,F together and D, c Together. The middle leads B and E are for power, again DOESN’T matter on polarity. It just means the switch will work opposite in this case.
i found a great spot in my shop for the switch. The switch need to be close to an outlet for the power supply. You will need the Leads if you don’t want to cut the wires. Two wires will have to be ran to the motor where ever it may be located in relation to the switch.
The Disc are for going inside a 2″ Pvc pipe. This is what the green screen will roll up on. The green screen used in this project is 5′ wide and 10′ tall. So the pipe was cut slight larger then 5′. Also long screen may need larger pipe due to sagging. One disk gets a hole for the size shaft of the motor. the other disc gets a hole for a bearing. The shaft on this motor is 6MM and the bearing used in this project was 13/16″ OS DIMENSION and 5/8″ inside.
Two end plate need to be made. One hold the Motor, fiction fit. The other hold a 5/8″ bearing.  Note: you want to keep the center of the motor shaft close to the center of the bearing. Epoxy the disc into the pvc tube. Then glue and screw the plates on each end of a board large enough board to span the pipe in the middle. Slide the motor side into the shaft and work it into place. a 5/8″ cut off bolt Slides through the end plate bearing and the bearing in the disc. A large enough bolt SHOULDN’T back out. At least my 8″ bolt HASN’T yet. If it does just make a wood cap to go over the bolt head and glue it in place.
The Motor shaft will most LIKELY spin in the wooden disc. to Correct the issue I drilled a hole through the pvc, disc and shaft of the motor. Inserted a nail and bent the nail down acting as a shaft pin.

Mount the whole assembly to the ceiling.
You want to get any dust or WRINKLES out of the green screen as it will effect the out come. You may want to recruit some help with this. Iron out the wrinkles as you place the green screen on the tube. Used good velcro to attach the screen to the tube. Clean the tube with rubbing ALCOHOL and mark a STRAIGHT line down the LENGTH. Place the hard side of the velcro on the tube where you made your line. The soft side I used a sewing machine the stitch it to the top of the green screen. As the green screen is being iron out. Use the assembly to roll it up. When you get to the bottom you want to add a little bit of weight. I found a piece of wire conduit work perfect. Cut it to LENGTH and slide it into the pocket of the screen.