Dynamic fan balancing

Still to be tried by this author but here is a method to dynamically balance the EDF fan.

Requires:
 * Smartphone (Andriod, iPhone)
 * Vibration App.

Developer/inventor: _Sergey_

Procedure: http://www.rcgroups.com/forums/showthread.php?t=1267814

iPhone App: http://itunes.apple.com/us/app/vibration/id301097580?mt=8