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bananas (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 07:05 PM Original message |
Preliminary Economic Comparison of Space Based Solar Power and Nuclear Power |
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phantom power (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 07:12 PM Response to Original message |
1. I don't believe their figure $15/watt. |
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Massacure (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:20 PM Response to Reply #1 |
3. I agree with you on that. |
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bananas (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:57 PM Response to Reply #3 |
9. Launch costs are already lower than that, panels will be much lighter, and get 8 times the sunlight |
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Massacure (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 10:08 PM Response to Reply #9 |
14. I remember reading about the Falcon back when I used to browse Space.com |
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bananas (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 01:53 AM Response to Reply #14 |
17. I meant 8 times ground-based over 24 hours, not peak watt. |
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NickB79 (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 03:13 AM Response to Reply #17 |
18. How does a satellite propel itself from LEO to GEO? |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 06:52 AM Response to Reply #18 |
21. Magic. nt |
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OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 09:47 AM Response to Reply #21 |
25. I believe the term is "upper stage" |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 04:32 PM Response to Reply #25 |
27. I think you just added about 8 thousand tons to the beast... |
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Massacure (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 05:18 PM Response to Reply #27 |
28. Um, well. |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 07:46 PM Response to Reply #28 |
29. To be fair... |
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bananas (1000+ posts) Send PM | Profile | Ignore | Thu Apr-02-09 03:40 AM Response to Reply #27 |
32. The EROEI is very high |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Thu Apr-02-09 03:06 PM Response to Reply #32 |
35. O Rly? nt |
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bananas (1000+ posts) Send PM | Profile | Ignore | Thu Apr-02-09 03:33 AM Response to Reply #18 |
31. Solar Electric Propulsion |
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Name removed (0 posts) Send PM | Profile | Ignore | Wed Apr-01-09 11:46 PM Response to Reply #9 |
30. Deleted message |
OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 09:34 PM Response to Reply #3 |
12. BBC: Skylon spaceplane gets cash boost |
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Massacure (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 09:58 PM Response to Reply #12 |
13. The BBC gives no figures on cost per pound and it COULD fly within 10 years. |
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OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 08:50 AM Response to Reply #13 |
23. slash the cost … from US$100 to 700 million per launch, to just US$10 million |
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OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 08:45 AM Response to Reply #3 |
22. Flying a Reusable Space Plane Directly to Orbit |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:34 PM Response to Reply #1 |
7. ...and then magic happens, and then... |
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OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:45 PM Response to Reply #7 |
8. Basic assumption, everything is lifted out of Earth's gravity well |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 09:05 PM Response to Reply #8 |
10. Basic observation: We don't actually have any off-Earth factories |
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Nihil (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 05:17 AM Response to Reply #10 |
19. Hmmm ... |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 06:50 AM Response to Reply #19 |
20. But if we did that... |
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bananas (1000+ posts) Send PM | Profile | Ignore | Thu Apr-02-09 09:59 AM Response to Reply #19 |
33. The main reason for not disposing of nuke waste in space is |
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Nihil (1000+ posts) Send PM | Profile | Ignore | Thu Apr-02-09 11:01 AM Response to Reply #33 |
34. I agree with that (as stated originally) but note that you don't address the real point ... |
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bananas (1000+ posts) Send PM | Profile | Ignore | Thu Apr-02-09 09:30 PM Response to Reply #34 |
36. We don't need a "miracle solution" |
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Nihil (1000+ posts) Send PM | Profile | Ignore | Fri Apr-03-09 05:42 AM Response to Reply #36 |
37. Maybe not but that's what this thread is about - the "miracle solution" of SBSP. |
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bananas (1000+ posts) Send PM | Profile | Ignore | Sun Apr-05-09 02:33 AM Response to Reply #37 |
38. No, this thread isn't about a "miracle solution" |
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Dead_Parrot (1000+ posts) Send PM | Profile | Ignore | Sun Apr-05-09 06:20 AM Response to Reply #38 |
39. "Miracle" doesn't even begin to cover it |
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Systematic Chaos (1000+ posts) Send PM | Profile | Ignore | Sun Apr-05-09 11:45 AM Response to Reply #39 |
40. I can haz pipe dream? |
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bananas (1000+ posts) Send PM | Profile | Ignore | Tue Apr-14-09 06:58 AM Response to Reply #39 |
42. Your numbers are wrong. |
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bananas (1000+ posts) Send PM | Profile | Ignore | Tue Apr-14-09 12:01 PM Response to Reply #39 |
43. According to the 2007 NSSO report, energy payback is less than one year |
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Nihil (1000+ posts) Send PM | Profile | Ignore | Mon Apr-06-09 07:15 AM Response to Reply #38 |
41. Not sure why you went off in this direction ... |
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Ready4Change (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 10:28 PM Response to Reply #1 |
15. I think they're too optimistic. But... |
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corruptmewithpower (411 posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:00 PM Response to Original message |
2. Ever see an insect fried via sunlight and a magnifying glass? |
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bananas (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:21 PM Response to Reply #2 |
4. It's not that easy to focus |
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OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:28 PM Response to Reply #2 |
5. You may want to read the proposal |
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corruptmewithpower (411 posts) Send PM | Profile | Ignore | Tue Mar-31-09 09:30 PM Response to Reply #5 |
11. Ok, I read it. I still think the potential danger is radically understated. |
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OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 08:32 PM Response to Original message |
6. Space-based Solar Power Comes to Light |
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kristopher (1000+ posts) Send PM | Profile | Ignore | Tue Mar-31-09 11:17 PM Response to Original message |
16. We're more likely to see high altitude wind power first... |
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OKIsItJustMe (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 08:52 AM Response to Original message |
24. I personally don't expect to see large scale orbital power within my lifetime |
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tinrobot (1000+ posts) Send PM | Profile | Ignore | Wed Apr-01-09 10:33 AM Response to Original message |
26. Let's put solar on every rooftop first... |
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kristopher (1000+ posts) Send PM | Profile | Ignore | Tue Apr-14-09 01:53 PM Response to Original message |
44. ROFLMAO |
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