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[TH] Japanese Firm To Build Space Elevator - Page 14

post #131 of 201
Earthquake can be countered with some kind of specific suspension as some of buildings already have so this is not a biggest problem. All it would need is just adjusting it to the size and weight and all that stuff for this project.
Meteor shower is a quite a problem. Maybe somekind of magnetic field could protect it? Afterall we would have a free energy source from solar panels right, question is how much power would be needed to force the meteors to not hit the structure.
post #132 of 201
Quote:
Originally Posted by prznar1 View Post

Earthquake can be countered with some kind of specific suspension as some of buildings already have so this is not a biggest problem. All it would need is just adjusting it to the size and weight and all that stuff for this project.
Meteor shower is a quite a problem. Maybe somekind of magnetic field could protect it? Afterall we would have a free energy source from solar panels right, question is how much power would be needed to force the meteors to not hit the structure.

Those suspension may not work on huge earthquake like 9.0 magnitude or may not work on building that is as tall as this space elevator.
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post #133 of 201
wait.... going at 120mph... 7.5 days to get to outer space.... am I the only one confused here?
my first child
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post #134 of 201
Quote:
Originally Posted by Silver_WRX02 View Post

Those suspension may not work on huge earthquake like 9.0 magnitude or may not work on building that is as tall as this space elevator.
Dont forget that it will deffinetly not put whole pressure it could due to centrifugal force and size of that thing. I even assume that this thing will be putting extremly low pressure compared to the typical building.
Quote:
Originally Posted by kyle7412 View Post

wait.... going at 120mph... 7.5 days to get to outer space.... am I the only one confused here?

7.5 * 24 * 200 = 36 000. GEO achived.
post #135 of 201
Might be cheaper to build an elevator on the moon and have it extend into earth's atmosphere, I wonder what earth's gravity would do to the moon and the elevator. It'll probably be like tug-of-war. However, that's a significantly longer elevator at 250k miles in length.

I personally think we should focus our efforts on colonizing the moon first.
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post #136 of 201
Quote:
Originally Posted by BizzareRide View Post

Might be cheaper to build an elevator on the moon and have it extend into earth's atmosphere, I wonder what earth's gravity would do to the moon and the elevator. It'll probably be like tug-of-war. However, that's a significantly longer elevator at 250k miles in length.
I don't think that would work as the moon isn't in a geosynchronous orbit with the Earth, the moon actually does rise and set. Even if we didn't tether it to the earth the moon elevator would swing around the upper atmosphere all willy-nilly.
Edited by JimmyOh - 2/29/12 at 7:39pm
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post #137 of 201
If everyone is so worried about earthquakes they could probably release the ribbon to suspend freely if damage to the ground facility was too great and simply recapture and reattach once damage is repaired and danger is passed. It's not like it's attached to the ground to keep the whole thing from flying off into space (the station is in geosynchronous, and the counterweight is there to balance the weight of the earthward ribbon).
post #138 of 201
Quote:
Originally Posted by SpankyMcFlych View Post

If everyone is so worried about earthquakes they could probably release the ribbon to suspend freely if damage to the ground facility was too great and simply recapture and reattach once damage is repaired and danger is passed. It's not like it's attached to the ground to keep the whole thing from flying off into space (the station is in geosynchronous, and the counterweight is there to balance the weight of the earthward ribbon).
Yeah I think people misunderstand the purpose of the tether, it's just used as a medium to reach the station that itself is already in orbit. It's not like it's holding the whole thing up. Or am I mistaken?
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post #139 of 201
Quote:
Originally Posted by Skaterboydale View Post

Just imagine the size of the shadow this would cast! it'd literally span most of the earth!

I'm not going to hazard the math, because frankly I'm terrible at that, but the cable, if composed of carefully designed carbon nanotubes would be very thin. Carbon nanotubes have, in experiments, produced examples with width to length ratios of 1:>100 million. The cable would not be very thick, it couldn't be, or it'd be too massive.
    
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post #140 of 201
I was just researching this the other day. There are two problems with what's going on here:
1. Travelling through the Van Allen Belt leaves the travelers at risk for radiation exposure far above the allowable amounts.
2. The materials used to connect the counterweight to the surface station haven't been invented yet, and Google X is on the job. If they haven't yet gotten a hold of the materials to do this, what makes the Japanese think they have?
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