thanks gster - sounds really cool - i'll have to check that book out - though i'm still not sure what an electric arc is or a dome thingy!
EDIT - oh hang on - is this one?
https://www.youtube.com/watch?v=9fyiqAlVKJI
sorry to hijack your thread radical edward...
Last edited by arran; 26-04-2007 at 03:26 PM.