Cheers
It's not been too bad, most of the work was done in one weekend, the hardest part being the polishing, trying to get between those 'fins' was making my fingers sore, which is when I came up with using the Dremel with a cotton bud in it, ended up with polish flying everywhere though! Since the battery became useless in it I've run some wires inside the Dremel to power it directly from the bench PSU, so I can lower the voltage to it and make it run slower.
Regards,
Lloyd