LiftPort Group is proud to announce the opening of its online store. Here you can purchase a large array of Space-Elevator related merchandise including...
4716
Herbert Murray
hcm1955
Sep 6, 2004 1:10 pm
All, The new site for the NSS space elevator chapter is up and running. For those who are intreseted the url is:http://www.nsschapters.org/nsecc/ Bert...
4717
Herbert Murray
hcm1955
Sep 6, 2004 9:10 pm
Excellent site for SE information http://www.gizmonicsinc.com/...
4718
JW
BaronStone
Sep 7, 2004 5:46 am
One major difference. The X prize is a one time payment. This new contest will have a cash payment, but the real prize will be that the company that builds it...
4719
Blaise Gassend
blaisegassend
Sep 7, 2004 12:12 pm
From what I have heard, most of the X prize guys also have business plans beyond the X prize. I'll agree that the payoff they are expecting is less than they...
4720
Brad Walsh
epibeemie@...
Sep 7, 2004 1:10 pm
... Certainly Rutan-Allen are, by a factor of 2 or 3. On the other hand the daVinci Project entrant is being done with tons of donated time and materials, and...
4721
brian.dunbar
brian.dunbar@...
Sep 7, 2004 5:46 pm
Space elevator dry run: next stop, the Moon by Sam Dinkin Tuesday, September 7, 2004 http://www.thespacereview.com/article/220/1 In The Space Elevator by Brad...
4722
Greg Broomfield
greg_broomfield
Sep 7, 2004 11:02 pm
... Is it clear that this guy has no idea? You can't simply conclude that because surface lunar gravity is 1/6 of Earth that the tether only has to be 1/6 as...
4723
Robert Munck
bobmunck
Sep 7, 2004 11:29 pm
... Interestingly, that's not really true. There are two possible locations for lunar SEs: extending toward the Earth from the nearside lunar equator through...
4724
Herbert Murray
hcm1955
Sep 8, 2004 4:56 am
... Please see link: http://www.eurekalert.org/pub_releases/2004-09/ru-rrp083004.php Enjoy Bert...
4725
davaguco
Sep 8, 2004 8:32 am
Very interesting article. I found a bit more information about the fibers here: http://www.nanotechweb.org/articles/news/3/9/2/1...
4726
mumbles89
Sep 9, 2004 3:18 pm
... So Bob (or anyone else with proper insight)- What is the required tensile strength of the material for either an L1 or L2 Lunavator cable (ribbon)? (I am...
4727
millenial70
Sep 9, 2004 7:30 pm
... Both kinds of rotation generate their own forces. The rotation of the Moon about its axis, as the SE rotates with it, generates on the SE a centripedal...
4728
millenial70
Sep 9, 2004 9:46 pm
... the ... a ... in ... the ... generates ... After posting this, I thought about it. I realized that in the case of an SE at L2, you are in fact right. The...
4729
Robert Munck
bobmunck
Sep 9, 2004 11:46 pm
... Well, I could quibble and say that I was talking about the mechanisms _holding up_ the three SEs, and the L1 SE is not being held up by its rotation around...
4730
Herbert Murray
hcm1955
Sep 13, 2004 12:28 am
Here is a link for the contest descriptions. Is anyone intrested in entering one of three of these contest? http://www.elevator2010.org/site/competition.html ...
4731
karikarhi
Sep 13, 2004 2:46 pm
... the ... I don't know about that, but what we need is more hands-on experiments, not just paper-studies. In that sense this competition is very good. I...
4732
karikarhi
Sep 13, 2004 3:07 pm
The lunavator is of course not a new idea. See, for example: http://www.zadar.net/space-elevator/#MOON In there, the lunavator is 680,000 km, and I have seen...
4733
Herbert Murray
hcm1955
Sep 13, 2004 5:35 pm
... putting ... into ... ********************************************************************* The balloon approach sound similar to the airship to orbit...
4734
Adam Crowl
qraal
Sep 13, 2004 10:16 pm
Hi All JP Aerospace's Dark Sky Station needs to be "parked" in a polar gyre for stability, else station-keeping will be a major problem. I guess it could be ...
4735
karikarhi
Sep 14, 2004 2:27 am
I was aware of the Ascender program but had not seen the DSS before. It sounds like the very thing, except that they want to use the Ascender to get there. I...
4736
karikarhi
Sep 14, 2004 2:36 am
Should always check of course ... Lunavator is actually a Tethers Unlimited trademark for their Cislunar Tether Transport System, which is what I meant when I...
4737
Robert Munck
bobmunck
Sep 14, 2004 3:12 am
... Well, since there can be only two, and one goes through the Earth-Moon L1 point and the other through the E-M L2 point, why not call them the L1 SE and the...
4738
brian.dunbar
brian.dunbar@...
Sep 14, 2004 3:50 am
... Howard Taylor has dubbed his lunar space elevator the 'Hellevator39;, which I note is not a bad name for something like that - or an earth-based SE either. ...
4739
grahamaddis
Sep 14, 2004 12:48 pm
Hey guys, I'm having trouble following this thread. On the website it refers to DSS being 'parked39; but does this necessarily mean tethered to a fixed point on...
4740
RanulfC@...
Sep 14, 2004 7:16 pm
Thanks Brian... I hadn't gotten that far in SM yet :o) Randy...
4741
RanulfC@...
Sep 14, 2004 7:23 pm
... No tether is mentioned anywhere in the actual Dark Sky Station proposal. It would be a 'free-flying39; platform with an active thruster system. (Probably low...
4742
karikarhi
Sep 14, 2004 9:11 pm
I suggested a tethered balloon platform. It was then pointed out that a balloon platform concept already existed. However, that concept does not include a...
4743
Adam Crowl
qraal
Sep 14, 2004 10:12 pm
Hi Graham You haven't missed the point at all. Wind speed doesn't necessarily drop in the stratosphere - that's the problem. According to JP Aerospace the...
4744
aprice@...
aprice2704
Sep 14, 2004 10:37 pm
LANL have produced SWNTs 4cm long I have posted a link to the story on my blog at http://www/healthspace.ca/spacebridge Andy...