This forum is great! I have learnt more from this forum in the last two days than all of my research! Thanks for the link Woody (Did you build onslaught?). If I was to use four of these
http://www.argos.co.uk/static/Product/partNumber/7104899/Trail/searchtext%3EDRILLS.htmhttp://www.argos.co.uk/static/Produc...rchtext%3EDRIL LS.htm
would that be O.K?

So that I can work out what wheels I am going to use please can I have a formula for a) RPM to speed with x sized wheels and b) A formula for torque.

Thanks a lot you lot,

Alex R