12 Jun '10 13:53

http://spaceelevatorconference.org/AbouttheSpaceElevator.aspx

There are several video's on this link, but I would like to know the exact physics behind it. For instance, they say the ribbon would extend 100,000 km up with presumably a station at the geosynchronous altitude. But that is just a bit under 36,000 km up. I can't figure out how they would keep the upper 70,000 odd km stable. I assume another one would be at the end but the natural orbital period at 100,000 km high would be a lot slower than at geo height so how would you be keeping the whole ribbon in a straight line? It would seem you would have to accelerate the end station to match the velocity of the geo height one. Not sure if that could work. Any thoughts on that?

There are several video's on this link, but I would like to know the exact physics behind it. For instance, they say the ribbon would extend 100,000 km up with presumably a station at the geosynchronous altitude. But that is just a bit under 36,000 km up. I can't figure out how they would keep the upper 70,000 odd km stable. I assume another one would be at the end but the natural orbital period at 100,000 km high would be a lot slower than at geo height so how would you be keeping the whole ribbon in a straight line? It would seem you would have to accelerate the end station to match the velocity of the geo height one. Not sure if that could work. Any thoughts on that?