Wednesday, September 19, 2007

Cable redesign



Lately I've overworked some models for my space-elevator. At first I changed the old solid cable into a more flexible and light looking (and more interesting) design. It's inspired by the structure of the carbon-nanotubes, the most promising material for a space-elevator.

*edit: City-rendering updated at 21. June, 2008

4 comments:

Andrew Glazebrook said...

Boy this is looking amazing, would love to see this animated !!! Top notch work man !!

mirc said...

Hi Armin, the new cable is looking a lot better than the old one, but what about the downtown complex.

The older downtown complex is looking better (more massive) from this pov. Is the current open framework wip or conceptually close to final?

Greatest space elevator images ever seen! Good work. Very inspiring.
Cheers

Mirco

Drakath said...

Hi Mirco,
the ground base is still in the works. I also wasn't satisfied how it looks in the last update, but I definatly want an open framework because a giant hall doesn't make any sense.
Just imagine the unbeliveable effort to set such a big room under pressure. Besides the airlocks for the in/outgoing trains...
Another point is that a spacerope is not a rigid contruction, it's always slightly swinging (like huge bridges) due to natural influences (like gravity irregularities) and the traffic along the cable.
Especially from that point its important to build a flexible anchorage.

I don't know much about architecture but I hope my thoughts were right.

Armin

mirc said...

Hi Armin,

well I do actually think you're right about the cable moving. As did Kim Stanley Robinson in his version too (you know that part where the cable needed to swing or oscillate to avoid collisions with mars moons).

Perhaps the amount of stress and tension onto the anchoring due to movement of the cable is relatively small when calculating it's swing amplitude over the length of the cable. If it swings for about a kilometre or so to each side in the aproximate center of the cable length the movement is probably not even noticeable at 17500 km down or up the rope ;-)

A giant pressurized hall is probably nonsense, that's true - though I like the idea of airlocks for trains. If a closed structure is still an option perhaps you could justify it as supporting structure for solar panels attached to an open grid or similar. The hexagonal panels on one of the pressure domes look quite well suited. It would also blend with the paneling already attached to the tower structure (a leftover of the previous version?).

But then I am no architect or physician either and simply thinking about the actual size of this structure in reality is mind boggling and simply great. Keep up your great work. The ISS2 is develloping superbly as well!

By the way, have you received my eMail (in German) a few days before my last post?

Cheers
Mirco