In this video tutorial, you'll learn how to create a $30 steadicam for your Apple iPhone 4. The rig consists of a three-axis gimbal with a weight at the bottom.
You'll require the following materials:
A 2" PVC outer ring.
A 1" PVC coupling ring.
A 3/4" PVC pipe.
A skateboard bearing.
Aluminum bar for handle (optional).
Drill a 1/4" hole in each side of the 3/4" PVC pipe. Make sure not to drill into the bearing. Drill 1/4" holes in each side of the PVC copuling. Also 5/16" holes. Drill 5/16" holes in each side of the 2" PVC pipe. Drill a third hole for optional handle. Thread in 1/4" bolts. Add 5/16" bolts through the PVC pipe into the coupling, add a handle. Voilà, a cheap, three-axis gimbal.