Construction of Orbital Rings and Space Fountains

This video is about the construction of Orbital Rings and Space Fountains, hypothetical megastructures that could serve as the future of ground-to-space transportation. These structures rely on a concept called active support, because no known material is strong enough to support them in the traditional way, using their tensile strength. Watch this video to learn about these fascinating structures and about the physics of active support systems.
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Пікірлер: 37

  • @AndreiAndrei-pg8eg
    @AndreiAndrei-pg8eg3 ай бұрын

    This is like the most complicated way ive seen so far for building an orbital ring

  • @robloxxer593
    @robloxxer5934 жыл бұрын

    i'm 12 i watched

  • @NwoDispatcher

    @NwoDispatcher

    3 жыл бұрын

    ILLLEEGALLLL!!!!

  • @robloxxer593

    @robloxxer593

    3 жыл бұрын

    @@NwoDispatcher ARREST ME DADDY

  • @Imagine_Beyond
    @Imagine_Beyond22 күн бұрын

    An orbital probably won't take too long to make. An orbital ring one could be as thin as a regular old underwater sea cable. Those weigh around 1.4 tons per kilometer and the Earth has a circumference of around 40000 km which means that it would weigh 56000 tons. Assuming Starship Block 3 can carry 200 tons to orbit, that would require 280 Starship launches. Falcon 9 launches once every 4 days and Starship can probably launch even more often than that, but if we stay conservative, then that's 1120 days or around 3 years to build it. Of course if Starship launches serval times a day like it is planned to do, then it could easily take under a year to build. The best thing is when you have one, you can use that one to get more mass up. So the price of the next one is even less. It is a self fulfilling circle.

  • @HorrorTactico
    @HorrorTactico Жыл бұрын

    underrated explanation, actually better than Isaac Arthur's one lol

  • @GravitonMedia

    @GravitonMedia

    Жыл бұрын

    Thank you!

  • @AlaskanBallistics
    @AlaskanBallistics3 жыл бұрын

    great explanation. Simplified like issac Arthur

  • @GravitonMedia

    @GravitonMedia

    3 жыл бұрын

    Thank you. SFIA is one of my favorite channels!

  • @pewterhacker
    @pewterhacker10 ай бұрын

    Quite a very good primer video! For anyone interested in understanding the technology at a much deeper level, check out "The Techno-Economic Viability of Actively Supported Structures for Terrestrial Transit and Space Launch".

  • @sethapex9670
    @sethapex96702 жыл бұрын

    The American per-capita annual energy consumption would put about 1.25 kg of mass on the ring.

  • @xyzero1682
    @xyzero16823 жыл бұрын

    great stuff

  • @GravitonMedia

    @GravitonMedia

    3 жыл бұрын

    Thanks a lot!

  • @monkeynomics8995
    @monkeynomics8995 Жыл бұрын

    Isaac Arthur says 1000tons per strand and starship2.0 18m diameter is estimated to have a 1000t payload. With focused effort we could build this. What about emf gain? And grounding?

  • @samanthahines8120
    @samanthahines81202 жыл бұрын

    why are comments on all others videos turned off?

  • @n1mbusmusic606
    @n1mbusmusic6062 жыл бұрын

    haters please explain more about what is wrong about what he said. dont just hate. thanks.

  • @glennnile7918
    @glennnile7918 Жыл бұрын

    Perhaps use bullets instead of particles. (-: Seriously though, how about figuring out a way of building the ring first and then the support structures/elevators?

  • @GravitonMedia

    @GravitonMedia

    Жыл бұрын

    That would work too but might be a harder sell economically. Until an orbital ring has connections to the ground, it's not worth much.

  • @glennnile7918

    @glennnile7918

    Жыл бұрын

    @@GravitonMedia It only takes imagination and thinking outside the box.

  • @GravitonMedia

    @GravitonMedia

    Жыл бұрын

    Fair enough. It could probably reduce the total demand for rocket fuel on the way up because you would only need enough fuel to intercept the ring-less than is needed to reach orbital velocity.

  • @a32k57
    @a32k574 жыл бұрын

    Uh, space elevator to export future LUNAR industry, but here on Earth even this is unlikely and would need approval from all equatorial nations around the world, as well as some new advancements in complex, woven nano polymer material built into A stacked and stable geometry, all produced affordable. A new genesis for metallurgy. On the moon, we could do it once we get things going there.. but A ring would be gravitationally unstable and any fault would be A fault of the structural stability as A whole. I guess you could strut it like that, but more money, complexity. Plus, the Earth's gravity varies around it's circumfrance, for example.. due to metallic deposits close to the core which offset mass.

  • @rexmann1984

    @rexmann1984

    4 жыл бұрын

    You need Isaac Arthur in your life.

  • @GravitonMedia

    @GravitonMedia

    4 жыл бұрын

    Haha, totally. A big inspiration.

  • @phdnk
    @phdnk14 күн бұрын

    Step 1 Problem 1: orbiting wire is unstable

  • @MonkeyNeuronActivation
    @MonkeyNeuronActivation3 жыл бұрын

    I came here in hope to find how we can construct an orbital ring. Though disappointed, concepts are explained well. Btw I don't think you can build an orbital ring with 80km space towers. The tubes which will be connected to form the orbital ring is soft and flexible, it seems easier to build Lofstrom loops and try to connect those loops on the ground while lifting them up instead, adjusting the ring's length in the process.

  • @GravitonMedia

    @GravitonMedia

    3 жыл бұрын

    Interesting. Building a structure like this would be incredibly complicated. I don't know what the best method might be.

  • @ryouarozado1350
    @ryouarozado1350 Жыл бұрын

    I'm 11 and I understood everything are you saying a below 14 year old can't have a highschool level knowledge because when I was grade 4 I had a grade 6 level intellect now I'm grade five because I'm a stopper at school I thoguth it was because I didn't wright anything but it was actually because my babysitter had to babysit her nephew or was it a niece idk but and my mom was at work most of the time so there was noone to pick us up my aunt picks me up sometimes but I forgot it was only me that went to school there and my sister was in idk kindergarten she wasn't in a kindergarten then we enrolled to another school I thought kindergarten was spelt kindergarden years ago ok now I'm just over sharing my whole lifes story L

  • @GravitonMedia

    @GravitonMedia

    Жыл бұрын

    That disclaimer is a matter of liability and compliance with COPPA law. 3 years ago, KZread started forcing KZreadrs to label their content as "for kids" or "not for kids" in response to a lawsuit over violations of COPPA. Videos marked "for kids" lose many features, such as the ability for users to comment on them and the ability for targeted ads to appear on them. This can be detrimental to a KZreadr. However, if a video marked "not for kids" is truly targeted at kids, then that is considered a mislabeled video and a violation of COPPA, which can result in harsh fines. That is why all of my videos since 2019 are explicitly targeted at audiences 13 and older.

  • @DinoCism
    @DinoCism8 ай бұрын

    Maybe we can make a ring out of all the orbital garbage SpaceX is cocooning the Earth in lol

  • @GroovyGoat-GroovyGoat
    @GroovyGoat-GroovyGoat3 жыл бұрын

    i applaud your vision! The problems are so many I don't have the space for their consideration. I'm not sure if you came up with this idea or if it's built from another idea, but this version has so many fundamental flaws! Nearly everything you've said in this video breaks proven laws of physics. The theory that is my real pet peeve is that a satellite or "ring maglev" has centripetal force! satellites move fast in space because they are always falling toward the earth and that fast lateral movement keeps them at a consistant rate of fall. Lasers have so little force that it could not even prevent a feather from falling. Fantastic ideas foster fantastic inventions. I'm not criticizing the thought of thinking itself, just that the facts in this video are already proven false.

  • @GravitonMedia

    @GravitonMedia

    3 жыл бұрын

    Orbital rings do actually rely on principles within known physics. The main problem is finding the technologies and resources to build them. Also, what I described is an idealized version of reality-like ignoring air resistance in a physics problem-but those issues could be resolved in the future with sufficient research. I'd recommend checking out the channel Science and Futurism with Isaac Arthur. He explains many futuristic concepts much better than I can.

  • @TheLPRnetwork

    @TheLPRnetwork

    3 жыл бұрын

    GrovvyGoat Watch Iscaar Arthur's videos about Orbital rings. Nothing is breaking the laws of physics here.

  • @TheRainHarvester

    @TheRainHarvester

    2 жыл бұрын

    I was searching internet for just this gotcha! Yeah If a CONNECTED ring is spinning, does it really have an orbit keeping it up? Or will it behave like an unspinning ring and just go off balance and pull to one side/crash into the earth? A satellite in orbit, isn't being pulled down by it's neighbouring satellite, while a connected ring IS. So part of its force is pulled down. I think this, in total would cancel out the "centrifugal force" keeping it in orbit.

  • @versedaaron
    @versedaaron2 жыл бұрын

    This is blatant plagiarism of my treatise