I just finished my dolly. Works well, I think. Very smooth. I found that 1" pvc was the best trac so far with the spacing on the wheels.
Here are 2 clips of it in action. The jumpyness on the first one is just the compression, not the rig.
www.katynet.net/dolly.wmv
www.katynet.net/dollycrane.wmv
Here are 2 clips of it in action. The jumpyness on the first one is just the compression, not the rig.
www.katynet.net/dolly.wmv
www.katynet.net/dollycrane.wmv