How much would a space elevator cost to build and how long would it take?

Braznor

Diamond Member
Oct 9, 2005
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If we get to work on it, I guess it will take the world a decade or two to build an elevator at the cost of hundreds of billions of dollars.
 

Braznor

Diamond Member
Oct 9, 2005
4,497
349
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Originally posted by: FoBoT
$42 trillion and take 42 years


Would it also take two bumbling philosophers?

I'll throw a towel in for free!
 

lozina

Lifer
Sep 10, 2001
11,709
8
81
it should cost 450 billion and take 3 years.

but once you factor in the labor unions it balloons to 12 trillion in 10 years
 

conehead433

Diamond Member
Dec 4, 2002
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A physical impossibility. Under the sheer weight of a structure that tall the bottom of the structure would be liquefied.
 

lozina

Lifer
Sep 10, 2001
11,709
8
81
Originally posted by: conehead433
A physical impossibility. Under the sheer weight of a structure that tall the bottom of the structure would be liquefied.

not if it's a synthetic spider silk structure
 

Injury

Lifer
Jul 19, 2004
13,066
2
0
Originally posted by: lozina
Originally posted by: conehead433
A physical impossibility. Under the sheer weight of a structure that tall the bottom of the structure would be liquefied.

not if it's a synthetic spider silk structure

I bet Ron Popeil could pull it off.
 

slayer202

Lifer
Nov 27, 2005
13,682
119
106
Doesn't seem possible unless it took up an insane amount of space to hold the weight
 

lozina

Lifer
Sep 10, 2001
11,709
8
81
Originally posted by: Injury
Originally posted by: lozina
Originally posted by: conehead433
A physical impossibility. Under the sheer weight of a structure that tall the bottom of the structure would be liquefied.

not if it's a synthetic spider silk structure

I bet Ron Popeil could pull it off.

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judasmachine

Diamond Member
Sep 15, 2002
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Originally posted by: lozina
it should cost 450 billion and take 3 years.

but once you factor in the labor unions it balloons to 12 trillion in 10 years

and then dirty politicians, and sticky fingered middle men, then even that balloons to 32 trillion, and it never gets done.
 

effowe

Diamond Member
Nov 1, 2004
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Originally posted by: lozina
Originally posted by: conehead433
A physical impossibility. Under the sheer weight of a structure that tall the bottom of the structure would be liquefied.

not if it's a synthetic spider silk structure

Isn't the structure at the top of the elevator also in Earth's orbit, therefore there is no weight being put onto the rope?
 

sdifox

No Lifer
Sep 30, 2005
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Assuming we can bring the cost of synthetic diamond down, or carbon nanotube, which ever comes first, we can build this sucker.
 

frostedflakes

Diamond Member
Mar 1, 2005
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Originally posted by: conehead433
A physical impossibility. Under the sheer weight of a structure that tall the bottom of the structure would be liquefied.
I think it's the other way around. Tension in the string due to centripetal force is the enemy, not gravity. ;)
 
Feb 6, 2007
16,432
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Obviously that would never work. From a scientific standpoint, it's absurd to think a freestanding structure over a hundred thousand miles high would not collapse under its own weight; and if it weren't freestanding, what would you anchor the guy wires to? Would you just run them around the planet a few times?

No, I'm sorry, that's just ridiculous.

Now a giant catapult on the other hand...
 

ViviTheMage

Lifer
Dec 12, 2002
36,190
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madgenius.com
impossible!

the moon orbits, its never in the same spot .... so you would have to also build a track throughout the length of the world at which the thing could shimmy over, like a lil racecar as the moon orbits around.

fools!
 

sdifox

No Lifer
Sep 30, 2005
95,028
15,140
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Originally posted by: ViviTheMage
impossible!

the moon orbits, its never in the same spot .... so you would have to also build a track throughout the length of the world at which the thing could shimmy over, like a lil racecar as the moon orbits around.

fools!

who said anything about a space elevator to the moon? Just to space, so we don't need to rocket boost everything into orbit.
 

FlashG

Platinum Member
Dec 23, 1999
2,712
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Originally posted by: frostedflakes
Originally posted by: conehead433
A physical impossibility. Under the sheer weight of a structure that tall the bottom of the structure would be liquefied.
I think it's the other way around. Tension in the string due to centripetal force is the enemy, not gravity. ;)
winnar