-------------- Original message from "Leon" <peon@pacific.net.au>: --------------


> Here's another couple of pix to show a 3 rotor being balanced. Notice the
> Mallory Metal added to the front counterweight to shift the balance axis.
> The factory front counterweight was originally drilled off centre by the
> factory due to the rotors not all being the same weight. During balancing,
> all the rotors were reduced back to the same dynamic weight as the lightest.
> Then put on the shaft.
>
> Cheers,
>
> Leon