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Thread: Rocket Performance Comparison
Post: RE: Rocket Performance Comparison
Drashner1 Wrote: (09-07-2015, 08:14 AM)
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Just to be clear here - are we considering .75c to be 'high relativistic speeds' or no?
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No, 0.75 is merely relativistic. I'm not sure where I'd draw th... |
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Ithuriel |
General Setting Discussion
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432 |
09-08-2015, 04:48 PM |
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Thread: Rocket Performance Comparison
Post: RE: Rocket Performance Comparison
So, here are a few potentially interesting locations:
"Oort Edge" is the rough outer limit of the Oort cloud, and hence the a good a place as any to declare the edge of the Solar System.
Alpha Centa... |
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Ithuriel |
General Setting Discussion
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34 |
432 |
09-08-2015, 07:28 AM |
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Thread: Transapient equivalents of baseline/neb/superbright
Post: RE: Transapient equivalents of baseline/neb/superb...
Rynn Wrote: (09-08-2015, 04:03 AM)
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Finer gradation might not be as accurate. The S scale I interpret as being useful because it relies on big markers, finer scales imply more rigorous markers. It'... |
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Ithuriel |
General Setting Discussion
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11 |
168 |
09-08-2015, 05:49 AM |
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Thread: Transapient equivalents of baseline/neb/superbright
Post: RE: Transapient equivalents of baseline/neb/superb...
Rynn Wrote: (09-08-2015, 03:36 AM)
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1) How is a modosophont going to be able to judge the capabilities of two transapients? Some things might be simple (how quick can you solve this puzzle) and som... |
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Ithuriel |
General Setting Discussion
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11 |
168 |
09-08-2015, 03:49 AM |
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Thread: Transapient equivalents of baseline/neb/superbright
Post: Transapient equivalents of baseline/neb/superbrigh...
This topic has come up once or twice before, but I don't think it has had its own thread yet.
The issue, as I see it, is that the "size" of each toposophic level is much larger than the one below i... |
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Ithuriel |
General Setting Discussion
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11 |
168 |
09-08-2015, 01:24 AM |
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Thread: Rocket Performance Comparison
Post: RE: Rocket Performance Comparison
Rynn Wrote: (09-07-2015, 04:59 AM)
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Looks good, I'd like to see a few more distant destinations if possible. Proxima centuri is a pretty short trip by OA standards where 100+ light year trips are c... |
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Ithuriel |
General Setting Discussion
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34 |
432 |
09-07-2015, 07:20 AM |
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Thread: Rocket Performance Comparison
Post: RE: Rocket Performance Comparison
So, brachistochrone times with relativistic corrections.
Firstly, transit time as observed from a "stationary" non-accelerating reference frame, such as the star system you just departed from. The ... |
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Ithuriel |
General Setting Discussion
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34 |
432 |
09-07-2015, 02:10 AM |
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Thread: Rocket Performance Comparison
Post: RE: Rocket Performance Comparison
So, here's a chart of rocket propulsive efficiency (the amount of energy that goes into actually making the ship go faster) vs the ratio of ship speed to exhaust velocity. Running a very high Ve drive... |
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Ithuriel |
General Setting Discussion
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34 |
432 |
09-06-2015, 06:57 PM |
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Thread: <EG - rewrite> China
Post: RE: <EG - rewrite> China
QueElEs Wrote: (09-06-2015, 03:35 PM)
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I do like Syndicate as well. That's nice. 'Syndicalism' could subsequently become a new political movement, used by many space polities.
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The term has bee... |
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Ithuriel |
Encyclopaedia Galactica Articles
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32 |
308 |
09-06-2015, 06:48 PM |
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Thread: [EG - update] The Nanoswarm Age (revised title to The Sundering)
Post: RE: [EG - update] The Nanoswarm Age (revised title...
Drashner1 Wrote: (09-03-2015, 10:17 AM)
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Ithuriel Wrote: (09-02-2015, 05:35 PM)
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I'm seeing lots of stuff about high Ve rockets aren't very efficient at getting you going, but I haven't actually... |
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Ithuriel |
Encyclopaedia Galactica Articles
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75 |
740 |
09-05-2015, 08:21 PM |
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Thread: [EG - update] The Nanoswarm Age (revised title to The Sundering)
Post: RE: [EG - update] The Nanoswarm Age (revised title...
stevebowers Wrote: (09-04-2015, 06:00 AM)
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The most likely candidate for this detection would be the Ultimates, who were contacted somewhat before this time and have a whole Dyson Sphere to act as ... |
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Ithuriel |
Encyclopaedia Galactica Articles
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75 |
740 |
09-04-2015, 07:00 AM |
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Thread: [EG - update] The Nanoswarm Age (revised title to The Sundering)
Post: RE: [EG - update] The Nanoswarm Age (revised title...
Matterplay1 Wrote: (09-04-2015, 12:46 AM)
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From the writeups on Epsilon Eridani it's likely that 'crowded' meant crowded with prior arrivals who had made (and presumably could defend) some rather l... |
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Ithuriel |
Encyclopaedia Galactica Articles
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75 |
740 |
09-04-2015, 02:35 AM |
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Thread: Entanglement communication exchange
Post: RE: Entanglement communication exchange
cthulhlu Wrote: (09-03-2015, 10:26 AM)
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Ok so the biggest problem with quantum entanglement communication devices i see brought up is that you would have to build one for every person who wants to ... |
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Ithuriel |
Encyclopaedia Galactica Articles
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5 |
56 |
09-03-2015, 04:54 PM |
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Thread: Utility Spacecraft
Post: RE: Utility Spacecraft
Might be worth an update; QED is the rocket side of the system, not the fusion part. |
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Ithuriel |
General Setting Discussion
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41 |
505 |
09-03-2015, 04:36 PM |
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Thread: Utility Spacecraft
Post: RE: Utility Spacecraft
iancampbell Wrote: (09-03-2015, 04:50 AM)
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I think it's worth mentioning (just in case it hasn't already been mentioned) that fusion plasma drives, such as my favourite the DPF fusion drive or the ... |
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Ithuriel |
General Setting Discussion
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41 |
505 |
09-03-2015, 06:21 AM |
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Thread: [EG - update] The Nanoswarm Age (revised title to The Sundering)
Post: RE: [EG - update] The Nanoswarm Age (revised title...
It doesn't necessarily need to be stated outright any more than someone flying from LA to Tokyo in the present day needs to say that they traveled in an aircraft with wings and gas turbines. Only odd ... |
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Ithuriel |
Encyclopaedia Galactica Articles
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75 |
740 |
09-02-2015, 11:25 PM |
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Thread: Blood Feud, OA Style.
Post: RE: Blood Feud, OA Style.
To go back to one of the earliest points:
macnut Wrote: (09-01-2014, 04:12 AM)
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First off, I realize a conflict like this (essentially a low-intensity war with a lot of terrorist-like tactics be... |
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Ithuriel |
General Setting Discussion
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22 |
288 |
09-02-2015, 08:32 PM |
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Thread: [EG - update] The Nanoswarm Age (revised title to The Sundering)
Post: RE: [EG - update] The Nanoswarm Age (revised title...
Drashner1 Wrote: (09-02-2015, 01:12 PM)
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Later in the timeline you might add in a ramjet conversion drive phase after the boostbeam phase, and the velocities would be higher (I've always figured mo... |
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Ithuriel |
Encyclopaedia Galactica Articles
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75 |
740 |
09-02-2015, 05:35 PM |
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Thread: [EG - Update] Conversion Drives
Post: RE: [EG - Update] Conversion Drives
Drashner1 Wrote: (09-02-2015, 03:27 AM)
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C) assuming that Steve's idea doesn't fix the issue (don't have time to wrap my head around it ATM) we could still reduce the number of monopoles used until... |
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Ithuriel |
Encyclopaedia Galactica Articles
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27 |
335 |
09-02-2015, 05:21 PM |
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Thread: [EG - Update] Conversion Drives
Post: RE: [EG - Update] Conversion Drives
That'll teach me to go away and do things for half an hour mid-post... I'll try and reply to that reply later! |
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Ithuriel |
Encyclopaedia Galactica Articles
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27 |
335 |
09-02-2015, 04:10 AM |