Search the web
Sign In
New User? Sign Up
space-elevator · Space Elevator
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Message search is now enhanced, find messages faster. Take it for a spin.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 8848 - 8878 of 8878   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
8848
... Yes, I remember, I called that a sputtering chain reaction back when we discussed it elsewhere. It could have been a show-stopper, but it turns out to be...
Andreas
awnd329
Offline Send Email
Jun 5, 2009
2:11 pm
8849
... No, no idea. It was on UK TV years ago. It was absolutely the minimum you could imagine- it was a wire going around in a cable. It did lift though. ... -- ...
Ian Woollard
wolfekeeper
Offline Send Email
Jun 5, 2009
2:12 pm
8850
... size, ... strength. I'm not exactly seeing how, but I've only been skimming this conversation. ... I'm all about flywheels. :-) Rub my nose in a previous...
Jo Jaquinta
jim_plummer
Offline Send Email
Jun 5, 2009
4:02 pm
8851
Aye.   Therein lies the rub. Grotleg !  CH Check out www.craigholmfiction.com ... From: Herbert Murray <hcm1955@...> Subject: [space-elevator] Re:...
Craig Holm
craig_holm
Offline Send Email
Jun 5, 2009
6:59 pm
8852
... I don't think there is much, but it follows directly as a cross between the launch loop (particularly the circles where the loop turns around) and a...
Andreas
awnd329
Offline Send Email
Jun 5, 2009
9:45 pm
8853
I would say a 60 billion for a Star Tram is deal. More less half the price of the space station. Just for comparsion the 2009 US DOD budget is more than 600...
Herbert Murray
hcm1955
Offline Send Email
Jun 7, 2009
1:56 pm
8854
I believe Star Tram is more like 600 Billion instead of 60 Billion. Still 0.2 % of GDP over 20 years is very good space investment. ...
Herbert Murray
hcm1955
Offline Send Email
Jun 7, 2009
2:10 pm
8855
Just another thought on the swarm array: The diffraction limit says the transmitter antenna size needs to be proportional to wavelength, and the thinned array...
Andreas
awnd329
Offline Send Email
Jun 7, 2009
10:45 pm
8856
... Here is another very interesting link about superconducting cable in very practical utility applications since about 2000, when we were all very much...
Andreas
awnd329
Offline Send Email
Jun 17, 2009
4:30 pm
8857
As I recall the Sunshield episode of Discovery Project Earth considered a coil gun for launching lenses to deflect light away from Earth. The project called...
William Haught
wlhaught
Offline Send Email
Jun 19, 2009
4:22 pm
8858
... To be feasible, both StarTram and coil gun will need to be designed in such a way that the energy needed during launch is first stored in the system, as...
Andreas
awnd329
Offline Send Email
Jun 20, 2009
1:33 am
8859
... or so says this IEEE article. http://spectrum.ieee.org/aerospace/space-flight/space-is-big-business...
Craig Holm
craig_holm
Offline Send Email
Jun 23, 2009
1:24 am
8860
http://tinyurl.com/kobqxd Cheers, Bert...
Herbert Murray
hcm1955
Offline Send Email
Jul 6, 2009
1:43 pm
8861
Cool. That section is an excellent representation of the lost Wikipedia article I wrote back then. Seems like it survived better than I thought it would... ...
Andreas
awnd329
Offline Send Email
Jul 6, 2009
3:57 pm
8862
... The Aerovator needs turning into a proper academic paper. Andrew Swallow...
Andrew Swallow
am4987
Offline Send Email
Jul 6, 2009
4:54 pm
8863
I agree. The Aerovator concept needs to be advanced. It is one of the few tether based ideas that is doable with today's tech, that can replace a rockets...
Herbert Murray
hcm1955
Offline Send Email
Jul 6, 2009
10:29 pm
8864
... Because the central area which is low in the atmosphere and not subject to skim equilibrium needs to be slow and short compared with the entire length, the...
Andreas
awnd329
Offline Send Email
Jul 7, 2009
4:10 pm
8865
... It probably could be. I'd be more than willing to collaborate with someone willing and able to do the grunt work, including further development of the...
Andreas
awnd329
Offline Send Email
Jul 7, 2009
4:32 pm
8866
This paper's main focus is on personal rapid transit systems, but the discussion on the history of disruptive tech pertains to space elevator and related...
Herbert Murray
hcm1955
Offline Send Email
Jul 8, 2009
3:38 pm
8868
... Another reference to the nuclear ramjet. It appears that the tech is in place to build an eletric ramjet. BTW this link refers to testing the jet by...
Herbert Murray
hcm1955
Offline Send Email
Jul 8, 2009
11:27 pm
8869
... An electric jet is interesting technology. It is quite likely easier to build and more efficient than a regular combustion jet. However, it has no...
Andreas
awnd329
Offline Send Email
Jul 10, 2009
3:21 am
8870
... A rough comparison of electric ramjet to a 747 Engine A 100 miles aluminum dual conducter with a cross section 1 million circular mils rated to carry 500...
Herbert Murray
hcm1955
Offline Send Email
Jul 10, 2009
3:34 pm
8871
I'm thinking having a new group started called "cheapspaceaccess". This group would discuss any and all technologies, both SE or anything else, for getting...
William
wlm_efn
Offline Send Email
Jul 10, 2009
8:49 pm
8872
I think this group is ok for tether based designs. Starting a new group is always hard toget people to move over...
Herbert Murray
hcm1955
Offline Send Email
Jul 11, 2009
1:33 pm
8873
Why don't we stop playing around with these light weight ideas like elevators and areovators and tethers and such. If we're going to talk about something...
Craig Holm
craig_holm
Offline Send Email
Jul 12, 2009
12:09 am
8874
2009/7/12 Craig Holm <craig_holm@...> ... http://en.wikipedia.org/wiki/Lunar_space_elevator Grotleg ! ... -- -Ian Woollard "All the world's a stage......
Ian Woollard
wolfekeeper
Offline Send Email
Jul 12, 2009
3:56 pm
8875
Personally, I think the traffic here hardly warrants such a step. Andreas...
Andreas
awnd329
Offline Send Email
Jul 13, 2009
11:58 pm
8876
... Pretty cool. The main bummer, IMHO, would be the many weeks that such a trip would take. Any vehicle short of a cruise ship would make for a rather long...
Andreas
awnd329
Offline Send Email
Jul 13, 2009
11:59 pm
8877
The real solution is to enlarge the charter to include aerovator and other "vators". As for "low cost to space" ideas, there are plenty of other unreasonable...
Jerry Irvine
01rocket@...
Send Email
Jul 14, 2009
12:22 am
8878
Ian - Thanks for the link.  The article almost makes the idea sound plausible. Grotleg !  CH Check out www.craigholmfiction.com ... From: Ian Woollard...
Craig Holm
craig_holm
Offline Send Email
Jul 14, 2009
1:24 am
Messages 8848 - 8878 of 8878   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2007 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help