Rubber tracks would certainly be alot better for ease of speedy movement.
I was thinking of adding more length to the upper structure for greater capacity... my version wouldn't be prototypical of any make.
It'll be good to see what you do Sparky... what's been happening with your Payhauler 350 build, that we haven't seen any updates of in..... what a yr now?
That was a great video Neil, thanx for posting it.
Have you this one before? I think it was AFV that is making those track modules,

saw on them on some site in recent weeks.
http://www.youtube.com/watch?v=hQwBd...eature=related