Quote
My tube climber is slow and works on lots of jamming friction. Its not pretty but gets it done.

http://fantasticcontraption.com/?designId=1158523


My solution to Tube:

http://FantasticContraption.com/?designId=1109354


?_________
|_|_|\____\___
l-----[O]≡≡≡≡[O]
()_)()_)-----)_)

Stay the Trail!