Saturday, July 30, 2011

DIY Camera Slider



I finally got my camera slider done. After watching many of the tutorials online, I decided to take the best aspects of the ones I watched and mash them together into one rig. The overall cost came out to about $30.

Originally, I had a small dolly made out of two skateboard trucks and scrap of board. I dropped this idea long ago because my wheels weren't aligned and it was bulky and unreliable. Then I came across Lolo Two's Big Brother camera rig which used conduit and connectors. After filing down the inner rim of the connectors as the video demonstrates, I realize that it was nearly impossible for me to attach the rest of the shuttle without increasing the friction.

I then stumbled across a video making an over head documentation camera that used bearings. The great thing about this is it doubles the contact points. One skateboard has four wheels and eight bearings, so I was able to get more stability by crossing the bearings along the pipe instead of just using the wheels to run along the top.
This rig uses the same mount assembly as the fig rig. The shuttle is made from 3/4" PVC connector and pipe, 8 skateboard bearings, and 8 5/16" carriage bolt assemblies.

I put 1/4" washers on each side of the bearing to prevent needless grime from getting in, as well as a layer of masking tape around the outside to dampen the metal-on-metal screech.

The rail system is 3/4" EMT conduit, some of the cheapest piping available. I chose it to be stronger and more rigid than PVC. It's screwed down with 3/4" conduit hangers to two scrap pieces of board.

I'm really excited to try it out. Special thanks to Katie Black for helping me acquire parts.

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