Check this out!! The Robo-"Devils' Tower". Zero to 11.5 feet at only about 40% power applied to the CIM/Dewalt combo in low gear

. Now we just have to add the arm and gripper on the top. Well, if the final bot doesn't work maybe we can climb up this bean-stalk and go after the golden goose ... or get a few heads of cabbage and make everyone some coleslaw
http://www.rose-hulman.edu/~lauerbt/DevilsTower1.wmv