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It's mind-blowing! SpaceX's NEW Artificial Gravity Starship…



It’s mind-blowing! SpaceX’s NEW Artificial Gravity Starship…
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SpaceX’s NEW Artificial Gravity Starship

We’ve seen it happen in science fiction, but could artificial gravity actually be generated for future space travelers?
Let’s find out everything in SpaceX’s NEW Artificial Gravity Starship.

Imagine that you’re inside a vehicle spinning around so fast that the force presses your body against the wall or seat. As you spin faster and faster than pressure forcing you against the wall increases and conversely it decreases as the spin slows down. The weight feels just like the force of gravity that keeps your body grounded to the earth.

If you’re like most people, your most dramatic experience with this type of spinning force is probably from an amusement park ride with a classic Rotor Ride that has produced a great deal of joy and yes vomit.

But a handful of people, including astronauts and military pilots, experience the same phenomenon in a human-rated centrifuge, a machine that spins to produce these high “G forces,” also called acceleration. They experience this G-force aboard high-performance aircraft during high-speed turns, during launches into space, and when spacecraft rapidly slow as they reenter Earth’s atmosphere.

So, what Is Artificial Gravity?
In a very real sense, this type of rotation produces gravity — artificial gravity to be precise. It provides weight to your body — weight that your bones and muscles cannot distinguish from the weight that Earth, or another planet, provides on account of its sheer mass.

Consequently, for decades, science fiction writers have envisioned rotating spaceships that create artificial gravity for astronauts during the longest phases of space missions. These phases are when they are not extra-heavy due to the ship accelerating to build up speed, or decelerating in the atmosphere, but weightless due to the craft coasting, negating the effects of gravity.
It’s mind-blowing! SpaceX’s NEW Artificial Gravity Starship…

37 Comments

  1. I don't get it. Why not just two starships linked by a cable that runs nose to nose? The delta-v required to create gravity would be tiny, and would only have to be performed once for each trip. Seems like a no-brainer to me. Of course to simulate Earth gravity, the cable would have to be strong enough to hold the weight of the entire starship on Earth!

  2. Did you ever consider a large circular treadmill that lines the interior of t by w ship? You can turn it on to engage gravity when you need it, and turn it off when you need to save energy or want to experience zero g’s

  3. What's not often talked about with using spin to produce artificial gravity is the tension in the spokes holding the living spaces. Starship for example has 85 tons dry weight. Has 150 tons payload, and up to 1500 tons of propellant. If you use half the propellant to start your trip to Mars you could have (986 tons) 1, 970, 000 pounds tension pulling in the central hub to create 1g of gravity. Plus another Starship on the other side of the hub, for balancing.

    What would it take to support 2 million pounds?

  4. So what about the even great barrier to interplanetary travel: radiation! Not only must we protect humans from irradiation, but also somehow pair that with artificial gravity. Doing BOTH at the same time is even harder, as each goal can easily CONFLICTS with the other — shielding humans is cheapest if humans confined to a small containment chamber.

  5. I am thinking for designed floor mechanical anti gravity better than big structure of building

  6. Could you provide an email so I can send you some data the refutes the Vomit argument about "Short Radius Human Centrifuge" ?

    There is no evidence stating that the studies of Artificial Gravity on earth Are equal to Studies in Space (of which there are almost None).

    Many of the designs of which you speak are not "Stable" **see the tennis racquet equation"

    Wheels on an axel will have to stop in order to move crew, and cargo form the zero-g sections of the ship to the Artificial gravity wheel. The only practical Near term solutions are "Short Radius Human Centrifuge", and "Tethers".

    Here is a re-post of some of my arguments for "Short Radius Human Centrifuge"
    —————————————————————————————————————————————-
    Short radius is a much better place to start. We don't have much in space testing of human centrifuge…. Smaller is cheaper, smaller is easier build, and modify because it can return to earth for upgrades, and tuning. A Centrifuge Inside the Starship hull doesn't need space walks. You could possibly build out of materials of similar weight to ultra light camping tents, gear, RV parts (sink, shower, toilet combination module), Short radius human centrifuge would allow Starships in a fleet to easily dock, exchange crew, cargo, fuel, entertainers, cooks, doctors, etc. Short Radius Human Centrifuge ("Spin-Habs") use electric motors powered by solar panels to provide spin-up, spin-down, spin-maintain. Forces are applied to the frame of the ship and push against the equal, and opposite rotation of the alternate Spin-Hab. Dual counter rotating Spin-Habs cancel torques that cause precession, and the "Tennis Racquet Instability" **see "Tennis Racket Equation". I think we need to start small, and scale up from there. A 4 meter radius Centrifuge seems workable to me. Water Radiation shielding, and algae grown in the same water for oxygen production, CO2 removal. Algae can also be Eaten as a complete protein you could almost survive on it indefinitely in an emergency. I think it lacks a vitamin? Anyway. What do you think of the Endless pool idea? Wouldn't that be nice on a long trip?

    P.S.
    P.S I did a little study of how accurately Electric motors could control the Artificial Gravity level…. You can be accurate to 0.005g.!! Human perception threshold is said to be 0.1g.

    We don't yet know if short radius is easy to adapt to, but it would make Artificial Gravity much easier to develop, and implement.

    _____________________________________________________________________________________
    Thanks for your attention
    Geoff S Jones
    Bennington VT

  7. Bearing in mind I have to education, training, or practical experience to make this observation, if we can’t stay healthy at significantly less then 1G, we might as well stay at home. Just as we can survive in an atmosphere ¼ of sea level, if 100% O2, I suspect we can stay healthy below 1G. Remember Mars gravity is ~38% Earths and the moon a whole ~17%. Let’s say 25% works, then a spacecraft needn’t provide gravity greater than that, and thus benefit from the reduced engineering requirements and costs.

  8. There are far better ways of doing this than what is proposed in the video. I did independent research in 2009 and came up with much better numbers.

  9. Rotation around its axis is a way to create a minimal amount of gravity. The earth revolves around its axis two but also revolves a round the sun. I think in orde get artificial gravity you need te turn on Twoo axis. The the outside I needs to turn slower as the inner axis. So you create a multiple center of gravity.

  10. Re Chumleyok's important concern, one solution needs only 2 ships–and a lot of cable. The cable(s) attach to the noses of the ships. ( Reducing lateral spin-gravity movement to ship widths, but avoiding needing to reconfigure ship interiors for spin gravity.) If the cable between the ships is long enough, 500m?, spin gravity gradient, within the 2 ships, should be minimal.

  11. I can live with the simplistic subject matter of these videos, but I'm done with the ridiculous click-bate titles. Unsubscribed.

  12. rotational gravity is viable, as seen in your examples of already existing units.

    The starship rotational gravity isn't really viable in it's thus far disclosed planned configuration.

  13. they just need to follow the rules of The Expanse. Ships acceleration and deceleration creates 1G of gravity when leaving and approaching a destination. Starship is already set up in the same vertical manner. Whats needed is a leap in engine tech to make sustained constant thrust a reality.

  14. I don't think there is any real data on the artificial gravity Coriolis Effect. When they talk of the side effects of artificial gravity, aren't they referring to the data of centrifuges and then scaled up. Regardless, one "G" is what it is going to take for human habitation, if not them Mars may well be the extent of human exploration, with a Mars BASE and a base on the moon! Cities on Mars and the moon is a pipe dream not based on reality!
    As far as I know, there are no experiments with real devices in space at said dimensions, such as devices tethered to rotating center, for real data!

  15. You missed out one key point that makes all these ideas moot… there is a gradient in spin 'gravity' from someone's head to feet in these concepts. What might be 1g at the feet would be less at the head. The human body needs consistent forces from head to toe. To reduce this, the diameter of the rotation would have to be massive.

  16. I kn ow what humans need for long term space travel and habitation! One "G"! That is what humans evolved in and that is what they have adapted to! Like it or not that is the fact! Human cities on Mars or the moon is not going to happen! A base and a port but no self supporting and self sustaining cities! Is it even ethical to have children in a reduced gravity environment? If it is even possible!

  17. OK, I have a small problem with your gravity numbers.
    On a trip from (example) Mars to Earth the gravity should start at MARS NORMAL but increase to 1.25 times EARTH NORMAL a month or two before reaching Earth to get people returning home use to Earth Normal before arrival. Similar for any other destination.

  18. Is there any chance that continuing thrust provided by plasma drives could provide enough gravity through acceleration 1/2 way out and deceleration on the second 1/2 of the journey?

  19. Seems the estimated rotational velocity for creating 1G of gravity is NOT something like one revolution pr minute for a radius of say 100 meters, multiply by 2 and multiply by pi, that is 22÷7 or approx. 3.14 for a circumference equal to 628 meters. One revolution pr minute would equal a speed of 10.46 meters pr second that equal appro. 37.65 km/hour.! If the radius were smaller and the revolutions still one pr minute the velocity of the rim would be correspondingly slower.! Obviously the radius would need to be significantly longer if any meaningfull gravitational forces was aimed for at one RPM. Interestingly I recently watched daredevil Guy Martin set a new world record riding a motorcycle around the vertical walls of a specially constructed "death drome" I think it used to be called. An engineer did the calculations for the centripedal forces and minimum speed to be able to ride on the vertical wall, approximately 2.5G. I mention that because it gave calculations for radius and velocity in G's, and as Guy Martin was aiming to break a speed record he pushed the speed up to where he was subjected to around 7 G of force. Needless to say he was going around in seconds, not minutes, but the whole exercise showed the principle of creating "arteficial gravity" and the pitfalls of doing it in something with a relatively small radius… Further to the idea of joining something, perhaps a couple of rockets by whatever means, and have them rotate around each other creating one G of centripedal gravity would mean that the weight of each rocket, (mass when in space) would need to be supported by whatever hold them together. So if the rockets each would weigh 900 ton, then what join them would need to handle a minimum of 900 ton, a significant weight, or pull as it would be in space 🙄 !!!
    And that would remain the same at one G disregarding the the combination of circumference and velocity, but "the shorter the circumference the lower the necessary velocity needed to create one G". But then, the shorter radius / circumference, the more unconfortable (disorientational) for the people subjected to the "low radius rotations" is likely to be.🤔…

  20. A cable connecting the nose of two Starships of about 100m apart at 4 rpm is acceptable without getting people sick. Ref: Space Settlement Population Rotation Tolerance.