Presented as mechanical engineering challenge for dotcomrades in this specialty and other interested parties with thanks in advance for participation from Prince. Related topic, "space fountain" consisting of pellets in evacuated tubes propelled by linear induction motors out into space where path is reversed and potential energy recovered in closed loop.
http://www.spaceward.org/elevator-feasibility
Plus "orbital siphon" variant:
http://www.idlex.freeserve.co.uk/siphon/siphon.html