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Messages 5934 - 5963 of 9001   Oldest  |  < Older  |  Newer >  |  Newest
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5934
Da, you just slow down the loop so you can do a proper inspection. This guy is stuck in a loop the only thing he can think of is crawlers and tape. It is...
John John
John007hi
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May 1, 2005
12:13 pm
5935
... The slow loop masses maybe 5 million kilograms and takes one-two months to make one complete revolution. Explain to me exactly HOW you slow it down and HOW...
Robert Munck
bobmunck
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May 1, 2005
2:49 pm
5936
The LOOP may NOT even have to be made of CNT.We already can manufacture KM's long kevlar cables. http://www.tethers.com/LaunchAssist.html Phase of HASTOL...
Karl X
asilicondude
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May 1, 2005
3:32 pm
5937
... inspection. ... And, if you slow it down, doesn't that kill the coriolis force that prevents the loop sides from contacting and breaking? I don't think ...
northernchronic
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May 1, 2005
5:20 pm
5938
can ever be slowed down. not even, ever. the word was supposed to be ever. Y can't you edit your message in these forums. Geez... :)...
northernchronic
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May 1, 2005
5:24 pm
5939
I wondered why the liftport.com site was busy and the number of new requests for Liftport's announcement list had jumped. We've been mentioned on Slashdot. ...
Brian Dunbar
economic_ref...
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May 1, 2005
8:07 pm
5940
... The import of /. as a Forum seems nicely summed up by this comment; ' This is why you read slashdot, while real men go off and build the technology of a...
Brian Dunbar
economic_ref...
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May 1, 2005
8:29 pm
5941
... Again, I don't think people are grasping the difference in scale between a "regular" elevator and the space elevator. The sheer scale of the thing breaks...
Abraham Fowler
z0p1l0t3
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May 2, 2005
1:45 pm
5942
Da, We all know its not easy to compare the SE to something else, its like comparing apples to oranges. This is done for ease of communication only. All the...
John John
John007hi
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May 2, 2005
3:33 pm
5943
... First, this is ironic coming from you, who just finished calling a ... I don't know if it is just your writing style, or what, but you really come off as...
Abraham Fowler
z0p1l0t3
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May 2, 2005
7:02 pm
5944
http://crnano.typepad.com/crnblog/2005/05/going_up.html The CNT factory is big news. SE industrial capacity is finally starting to roll......
northernchronic
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May 2, 2005
7:49 pm
5945
... The enthusiasm is appreciated but, really, it's a tad misplaced. This is, for us, yes, a big deal but it's small potatoes. NASA recently re-wired a cable...
Brian Dunbar
economic_ref...
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May 2, 2005
8:55 pm
5946
... Agreed, breaks all analogies AND INTUITIONS. It's not just that you shouldn't think of the SE as a "normal" elevator or cable car; you shouldn't think of...
Robert Munck
bobmunck
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May 2, 2005
9:08 pm
5947
... You seem to have strange ideas about how discussions are conducted. Bob Munck...
Robert Munck
bobmunck
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May 2, 2005
9:15 pm
5948
... I for one appreciate your ability to maintain perspective. Perhaps you would make a good SE firm manager or something :) Jerry -- Jerry Irvine, Box 1242,...
Jerry Irvine
01rocket@...
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May 2, 2005
9:54 pm
5949
... This ... for ... engine ... Only entity on the planet dedicated to building SE attains its 1st piece of manufactoring capacity. I know the money is...
northernchronic
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May 2, 2005
11:45 pm
5950
Can someone please explain to me (through a relatively simple example) how much stronger carbon nanotubes are than steel? And what particular type of strength...
Ranger_Bob_62
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May 3, 2005
6:13 am
5951
... example) ... Tensile strength [without getting into yield vs breaking vs other subleties] is most often measured in gigapascals or GPa -- that is, billions...
Monte Davis
modavis1
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May 3, 2005
12:57 pm
5952
Not much to add to that. Except, here are some more rays of hope: The theoretical strength of polyethylene is around 25 GPa, if I am not mistaken, so some of...
Andreas Windemuth
windemut
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May 3, 2005
6:14 pm
5953
... There are ways of slowing down a high-speed feed line locally without slowing the main portion. The method I'm most familiar with is to loop the ribbon...
patnardi
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May 4, 2005
4:02 am
5954
... I know about those things. My father used to build high-speed paper-making machines and printing presses. ... "Room for 5 km of ribbon onboard" means a...
Robert Munck
bobmunck
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May 4, 2005
5:38 am
5955
... What about a mini-loop belt suspended a few hundred metres or a few km high by CNT scaffolding on the ship, moving parrallel to, and in motion at a...
northernchronic
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May 4, 2005
6:13 am
5956
... Yeah, but keep in mind that the baseline design asks essentially the same thing to be done in a spaceborne climber of 20 tons or less clinging to the...
Andreas Windemuth
windemut
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May 4, 2005
2:21 pm
5957
I don't think it is as tough as Bob makes it sound. "Repair" essentially just means merging one or more threads into the ribbon. The difficult part is the...
Andreas
awnd329
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May 4, 2005
2:33 pm
5958
I think I would go with repair crawlers. The fact that the ribbon is moving won't make any difference to them. They can crawl back and forth at whatever...
Ray
ka8uuu
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May 4, 2005
3:29 pm
5959
... Come on, you can do the math (just arithmetic, actually) on that yourself. A scaffold several kilometers high on a ship? Thirty seconds or so to do a...
Robert Munck
bobmunck
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May 4, 2005
3:36 pm
5960
Rather than just tensile strength isn't it tensile strength / unit mass that really matters? ie: GPa/Kg Are there lighter materials with significant...
robertdwaynescott
robertdwayne...
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May 4, 2005
5:55 pm
5961
... Arrrr, matey. How much time for ye repairs do ye thinks a robot or other analogous repair scheme will need for regular maintenance on a loop SE; what will...
northernchronic
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May 4, 2005
6:41 pm
5962
True. Density is assumed to be 1,300 Kg/m^3, the density of water, plastics, and CNTs, more or less. I am not sure exactly which. Andreas...
Andreas
awnd329
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May 5, 2005
2:42 am
5963
This may work for maintenance, but it will not work for build-up. At build-up, new material has to be added to the ribbon at a rate that requires high speed....
Andreas
awnd329
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May 5, 2005
2:59 am
Messages 5934 - 5963 of 9001   Oldest  |  < Older  |  Newer >  |  Newest
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