[moogie]

Originally Posted by doodlebug

Did you mean this truck? http://rctruckandconstruction.com/sh...ight=half+pipe See post #14
Cheer's, Neil.

Almost, it was very similar to that but if i can remember correctly it used half a leaf spring. The video showed the truck moving across a floor from left to right traveling over books or ply wood that formed steps.
Thanks for all your help so far.
Noel.