no dis-respect to ed, put ed manages to create these high power robots (vortex, storm 2 etc) by having the money to pay for it. Why bodge when you can have to profesionally made? Most of us dont have the money, therefore have to bodge!

As far as i know the LEM spinner is just a rumour, I cant see it possible. How do you get a 3Kg motor, strong enough supports, batteries that can last a fight, and supply the current required and then have someway of controling it; all into 12kg? I personally dont see it possible, but hey, prove me wrong!