[karatekid]

Originally Posted by Kage

I had that same "angle versus flat" idea...and was thinking of there was any way to change the angle of the contact surface on the "kicker"...im pretty stumped right now, but I guaruntee its possible

I think you could accomplish changing the contact piece by having the contact piece have different possible shapes to hit the ball. Then, have a motor rotate the contact piece to change the contact shape.