Was doing research on cyclers and... man, what a tremendous video. That's the only word I can think of -- Tremendously well organized and put-together.
one of the robert heinlein short stories did this with three asteroids, but they were to act as pitstops between earth and Mars. glad to see it as an actual possibility.
Okay this is eerie but i was literally just having a dream last night about living in a DS9-coded cycler built in an asteroid last night, and just stumbled across this wonderful video. It's like you're begging me to build it. Mission accepted.
Great science... Now the engineering. Sadly, Assuming that a starship would be able to get 12 MW of solar panels (and Ion thruster) to Itokawa, the constant 1200N of force would take too long to achieve the correct Delta V. Roughly 1230 years. So long that worrying about where specifics don't matter. And you had me so excited... We would need to produce the power infrastructure (from in-situ resources) on Itokawa first before moving Itokawa to a better orbit. At an industrial scale (US installed 6.8Gw of residential Solar in 2023) We are talking about a couple of years of thrust... That is reasonable for something which would be used for centuries. Great video. Thank you
It would seem more likely (and something that he partially suggested) that people would just make a large factory + solar array on Itokawa proper, slowly constructing the actual cycler that would mass in the range of tens or hundreds of kilotons instead of the ~35 megatons of Itokawa. Probably even less for the first cycler from lack of need for more and desire to iron out kinks in the various processes. Interestingly, I notice the asteroid seems to have trace -- but fairly *significant* for a relatively small workforce -- amounts of several common elements required for fertilizers, though I sadly can't find any mention of nitrogen or even just any molecules with nitrogen. With that in mind, and since the asteroid is essentially almost more of a loose rock-pile... and since there's naturally a lot of experience processing and refining low grade ore on Earth... I wonder if the future of the asteroid itself is as one of the first early hubs of space expansion. Easy to reach from Earth, frequently near something people even care about to begin with (Mars, even though it seems pretty overrated compared to Venus or simply exploiting asteroids), by extent fairly "near" the rest of the asteroid belt in terms of DV, not *too* terribly "far" from earth in those terms either. Has the necessary elements for a lot of types of solar panels, decent mirrors, several types of batteries and useful industrial chemicals, and as noted several key fertilizers. In fact, if you wanted you could even ship in nitrogen in the form of ammonia ice from a bit further out in the system or some lucky finds) and essentially close the loop for fertilizers while still possibly being cheaper than shipping it en masse from earth even with something like Starship if it miraculously hits the projected launch costs.
(just to continue) Makes me so so so envision one of the first truly significant factories and mines that wouldn't just be on the moon, would serve to be relatively self-sufficient and even capable of limited population growth, and which would produce a series of smaller ships and cyclers before eventually being mostly shuttered as an ISRU facility but still leaving behind an excellent power plant + radiation shelter -- it may be quite the long lived settlement!
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Was doing research on cyclers and... man, what a tremendous video. That's the only word I can think of -- Tremendously well organized and put-together.
It's absolutely abhorrent that this has so little views. Incredibly well made video!
one of the robert heinlein short stories did this with three asteroids, but they were to act as pitstops between earth and Mars. glad to see it as an actual possibility.
Gustav would be proud but I think he'd say "Mars" is a bit louder than it needs to be. Interesting vid.
Okay this is eerie but i was literally just having a dream last night about living in a DS9-coded cycler built in an asteroid last night, and just stumbled across this wonderful video. It's like you're begging me to build it. Mission accepted.
Great science... Now the engineering. Sadly, Assuming that a starship would be able to get 12 MW of solar panels (and Ion thruster) to Itokawa, the constant 1200N of force would take too long to achieve the correct Delta V. Roughly 1230 years. So long that worrying about where specifics don't matter.
And you had me so excited...
We would need to produce the power infrastructure (from in-situ resources) on Itokawa first before moving Itokawa to a better orbit. At an industrial scale (US installed 6.8Gw of residential Solar in 2023) We are talking about a couple of years of thrust... That is reasonable for something which would be used for centuries.
Great video. Thank you
It would seem more likely (and something that he partially suggested) that people would just make a large factory + solar array on Itokawa proper, slowly constructing the actual cycler that would mass in the range of tens or hundreds of kilotons instead of the ~35 megatons of Itokawa.
Probably even less for the first cycler from lack of need for more and desire to iron out kinks in the various processes.
Interestingly, I notice the asteroid seems to have trace -- but fairly *significant* for a relatively small workforce -- amounts of several common elements required for fertilizers, though I sadly can't find any mention of nitrogen or even just any molecules with nitrogen.
With that in mind, and since the asteroid is essentially almost more of a loose rock-pile... and since there's naturally a lot of experience processing and refining low grade ore on Earth... I wonder if the future of the asteroid itself is as one of the first early hubs of space expansion. Easy to reach from Earth, frequently near something people even care about to begin with (Mars, even though it seems pretty overrated compared to Venus or simply exploiting asteroids), by extent fairly "near" the rest of the asteroid belt in terms of DV, not *too* terribly "far" from earth in those terms either. Has the necessary elements for a lot of types of solar panels, decent mirrors, several types of batteries and useful industrial chemicals, and as noted several key fertilizers.
In fact, if you wanted you could even ship in nitrogen in the form of ammonia ice from a bit further out in the system or some lucky finds) and essentially close the loop for fertilizers while still possibly being cheaper than shipping it en masse from earth even with something like Starship if it miraculously hits the projected launch costs.
(just to continue)
Makes me so so so envision one of the first truly significant factories and mines that wouldn't just be on the moon, would serve to be relatively self-sufficient and even capable of limited population growth, and which would produce a series of smaller ships and cyclers before eventually being mostly shuttered as an ISRU facility but still leaving behind an excellent power plant + radiation shelter -- it may be quite the long lived settlement!
This had always my dream as well - converting asteroid into massive spaceships
I hear music from the "cosmos" soundtrack again..
while on the cycler, any human crew would find much to do on an asteroid that size.. workin 9 to 5 mining, building, extracting and sampling..