d12bn

My Feedback: (4)

Many ways to do it, here's one

http://www.youtube.com/watch?v=G1mon1x_7Ow

9sec240

Creative and a decent video. Thanks for sharing.

gi1mo2

You should also find the center of gravity for each blade, mark them, and depending on where the balance is, put the tape in a position to change the center of gravity to balance the blades both ways.