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Messages 7441 - 7470 of 8999   Oldest  |  < Older  |  Newer >  |  Newest
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7441
For small payloads you could hang a gun or coilgun based system from an airship Gun based http://www.columbiad.ca/industrial/index.html Coil Gun Based: ...
Herbert Murray
hcm1955
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Aug 3, 2006
1:15 am
7442
For a propulsion system why not use an electrical power steam rocket? This would require a water feed, electrical lines to be build into the tether. But a...
Herbert Murray
hcm1955
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Aug 7, 2006
8:55 pm
7443
I see announcements that the space elevator challenge will be held at NASA Ames on August 4th http://www.spaceref.com/news/viewpr.html?pid=18314, and that it...
Chris Hibbert
ag_cth
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Aug 9, 2006
2:32 pm
7444
I would just like to clarify that I was refering to an *additional* cable system, running down the side of the SE, for the express purpose of transporting...
LogicalDeduction
LogicalDeduc...
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Aug 9, 2006
2:33 pm
7445
Please forgive me if this has been discussed before, but from the thinking I've done recently the benefits of this idea seem decent. Maybe you can find the...
LogicalDeduction
LogicalDeduc...
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Aug 9, 2006
2:33 pm
7446
About the problem to send the energy to the elevator itself... why can't we fix the elevator on the cable and, instead, move the cable in a round trip? Like...
cascio_calogero
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Aug 9, 2006
2:34 pm
7447
Hi, as a competitor in said competition, I can safely say that it is going to be held in October, in New Mexico. Among the many reasons for this choice was the...
kyros
terenot
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Aug 9, 2006
5:51 pm
7448
... It hasn't yet been clearly established that people SHOULD be riding the SE. Cargo, yes, but people? If you're lucky, they'll only get mild radiation...
kyros
terenot
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Aug 9, 2006
6:08 pm
7449
Yes I suppose I could have been a little more clear in what I was saying. Start with the full SE, all 30,000 miles of it or whatever the final numbers work out...
Shane Thornburgh
LogicalDeduc...
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Aug 9, 2006
8:38 pm
7450
... That's a bit like the idea I had, except I had a whole chain of these loops going all the way to orbit, mechanically powered from the ground. see: ...
Ian Woollard
wolfekeeper
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Aug 9, 2006
11:17 pm
7451
Hi, Tomorrow in Airdrie Public Library (near Glasgow, Scotland) at 1 pm I shall be giving a talk on Space Elevators that will, among other things, feature ...
Andrew Nimmo
andynimmo
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Aug 11, 2006
9:42 am
7452
... I'm not sure how the side entrances / exits would work. Suppose the platform is 350 km up the elevator. Some rough calculations show that it would have a ...
Ed Minchau
spider_boris
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Aug 11, 2006
5:56 pm
7453
My immediate question is, how do you justify that really heavy 400- mile-long pulley cable? If we can get power beaming to work, which seems actually somewhat...
scifiben
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Aug 12, 2006
6:40 pm
7454
... Actually, that's not right- I started off with that, but I soon changed to a series of pulleys of fixed size hanging on a conventionally tapered cable. The...
Ian Woollard
wolfekeeper
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Aug 12, 2006
10:23 pm
7455
... Because the cable is a one-off cost, but the power beaming costs are for every launch. ... Power beaming is highly inefficient, mechanical power is much...
Ian Woollard
wolfekeeper
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Aug 12, 2006
10:44 pm
7456
... pulleys ... heavy ... smaller ... Okay, I'm a little confused. In your version, we have smaller pulleys but a whole lot more ribbon, both a traditional...
Ben Sibelman
scifiben
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Aug 13, 2006
6:02 pm
7457
You're probably greatly overestimating the extra weight of the conveyor belts. Don't forget that they're only strong enough to carry payload, and made of CNT....
Ian Woollard
wolfekeeper
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Aug 13, 2006
7:05 pm
7458
Hi Ed, The LEO Station is suspended from the Geo station above on the same kind of nanowires as the elevator uses in order to maintain its position regarding ...
Andrew Nimmo
andynimmo
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Aug 14, 2006
9:45 am
7459
... So you're going to have vehicles heading right toward the station at better than 7 kilometers per second, decellerating furiously (say 4 g for 3 minutes),...
Robert Munck
bobmunck
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Aug 14, 2006
1:11 pm
7460
I agree with Bob. This is a much greater challenege than Brad Edwards orginal concept. Lets get an unmaneed SE build first. Bert ... hotel...
Herbert Murray
hcm1955
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Aug 14, 2006
1:35 pm
7461
I'm sorry to hear that Bob smashes his garage to smithereens every time he brings his car home. As far as both velocities and the mass of the LEO station are...
Andrew Nimmo
andynimmo
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Aug 16, 2006
9:12 am
7462
... No, we have a speed limit on our street and in our driveway that's considerably below the 15,600 mph your vehicle would be traveling. More to the point, if...
Robert Munck
bobmunck
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Aug 16, 2006
3:48 pm
7463
Of course it would be wise to start with a simple, cargo-only SE. The SE with platforms at LEO-altitude is something people can dream about for later...
Abraham Fowler
z0p1l0t3
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Aug 16, 2006
4:16 pm
7464
... Well, yeah, it would. If the platform is no larger than the current ISS -- 440 tons, interior volume about that of a 747 -- it will require an SE that's...
Robert Munck
bobmunck
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Aug 16, 2006
4:39 pm
7465
I agree that cargo only is fine until the tech is proven and deemed safe. But the ultimate goal has to be to get people into space, without that, there is ...
Shane Thornburgh
LogicalDeduc...
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Aug 16, 2006
4:40 pm
7466
... To be honest, the ULTIMATE goal -- as I see it -- is to get ME into space. Without that, there is really no point to building any of it. We all sorta feel...
Peter Gaffney
trypsys
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Aug 17, 2006
9:51 pm
7467
That was so entertaining it was painfull. Spobo. I love it. S...
kyros
terenot
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Aug 17, 2006
10:58 pm
7468
Hi Guys, I've only just got that last lot of messages, unfortunately just as I have to dash off, but will read, digest and get back to you - probably Monday. ...
Andrew Nimmo
andynimmo
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Aug 18, 2006
10:42 am
7469
Here's a new justification for the SE: we wait until Wall Street gets the idea that maybe it should do something about global warming, and then propose an idea...
Ben Sibelman
scifiben
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Aug 18, 2006
2:50 pm
7470
... Yes, either that, or the New York Stock Exchange will be underwater and we'll hand our sovereignty over to the UN Environment Programme, which will declare...
Ben Sibelman
scifiben
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Aug 19, 2006
1:34 am
Messages 7441 - 7470 of 8999   Oldest  |  < Older  |  Newer >  |  Newest
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