Im using a timing belt so slippage shouldnt be a problem. And Ill look into the aluminium mounts as being part of the motor mount also (thanks for the pic)... Im overvolting a 9.6v motor on 14.4v...

Ive been now thinking of using two 14mm steel discs bolted together, this would be an effective 28mm spinning steel mass. again 65mm diameter... And also milled out in the centre...

Ill release pics of the build soon... (on http://www.micro-maul.co.ukwww.micro-maul.co.uk) Oh and Geoff, When will your website be up?...