Use those special hydraulic suspension systems that are normally used for bouncing cars up and down.
Impress your friends as you fall arse over tit.-- Ling, Jun 03 2006 both together?+-- jellydoughnut, Jun 03 2006 oh man. ingenious. i want! major bun.-- epicproblem, Jun 03 2006 A custom motor cycle builder (I forgot the name) has built a motorcycle with pneumatic suspension that can raise and lower front and rear, but it can't bounce like your thinking of.
I think you should move this to the motorcycle catagory.-- BJS, Jun 03 2006 Done.-- Ling, Jun 03 2006 halfbakery