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Scifi board. Will there ever be gravity in spaceships?

Posted on 3/31/15 at 8:21 am
Posted by prplhze2000
Parts Unknown
Member since Jan 2007
51434 posts
Posted on 3/31/15 at 8:21 am
Seems like a staple in sci fi movies. We always debate speed of light and time travel questions, but what about artificial gravity?
Posted by GrammarKnotsi
Member since Feb 2013
9354 posts
Posted on 3/31/15 at 8:23 am to
**gravitron**

End thread
This post was edited on 3/31/15 at 8:24 am
Posted by Superior Pariah
Member since Jun 2009
8457 posts
Posted on 3/31/15 at 8:23 am to
Will there ever be a space resort where I can rent a room with zero gravity. Then, I can do shrooms and float around.
Posted by jbgleason
Bailed out of BTR to God's Country
Member since Mar 2012
18913 posts
Posted on 3/31/15 at 8:26 am to
According to the movies, you just have to spin the ship and it creates its own gravity. Never even considered if that is a valid theory.
Posted by sicboy
Because Awesome
Member since Nov 2010
77624 posts
Posted on 3/31/15 at 8:29 am to
Just put your spacecraft on top of a really big object and let that object's gravitational pull do it's thing.


How you are going to launch with that I haven't the foggiest.
Posted by Placebeaux
Bobby Fischer Fan Club President
Member since Jun 2008
51852 posts
Posted on 3/31/15 at 8:30 am to
quote:

According to the movies, you just have to spin the ship and it creates its own gravity. Never even considered if that is a valid theory.


Or just build a ship big enough to create its own gravity.
Posted by sicboy
Because Awesome
Member since Nov 2010
77624 posts
Posted on 3/31/15 at 8:31 am to
quote:

Or just build a ship big enough to create its own gravity.


Cut my theory down by a step.


Government will never approve.
Posted by elprez00
Hammond, LA
Member since Sep 2011
29395 posts
Posted on 3/31/15 at 8:31 am to
quote:

According to the movies, you just have to spin the ship and it creates its own gravity. Never even considered if that is a valid theory.

It pretty much is. 2001 actually does a fairly great job of illustrating the concept.
Posted by MyNameIsNobody
Member since Dec 2013
1133 posts
Posted on 3/31/15 at 8:33 am to
Posted by Placebeaux
Bobby Fischer Fan Club President
Member since Jun 2008
51852 posts
Posted on 3/31/15 at 8:36 am to
quote:

Cut my theory down by a step. Government will never approve.


Build it in space. It wouldnt cost as much because it wouldnt be as hard......because things are lighter in space.
This post was edited on 3/31/15 at 8:38 am
Posted by BayouBlitz
Member since Aug 2007
15843 posts
Posted on 3/31/15 at 8:51 am to
quote:

Or just build a ship big enough to create its own gravity.


That would be a monstrous ship. It would have to be the size of the Earth to get the 1G of gravity we are used to.
Posted by Darth_Vader
A galaxy far, far away
Member since Dec 2011
64615 posts
Posted on 3/31/15 at 8:53 am to
quote:

According to the movies, you just have to spin the ship and it creates its own gravity. Never even considered if that is a valid theory.



LINK


quote:

The most realistic method of producing artificial gravity aboard a space station is using centripetal force to produce a pulling sensation toward the "floor" that would mimic the effects of gravity. Physics blogger Matthew Francis tells PM that it's a lot like one of our favorite boardwalk attractions. "If you've ever ridden on a carnival ride," he says, "you know that spinning very fast makes you feel heavier, and can even hold you against the wall of the ride if the floor drops—like in the old Gravitron ride." In a rotating spaceship, objects inside would be pushed toward the hull.

In a spaceship designed to produce artificial gravity, you'd walk around perpendicular to the "wall" you were stuck to, and parallel to what would, in a Gravitron, be the floor. The wall would become the floor, and the floor would become the inner wall of the ship. A person can get a pretty good idea of what it would look like from 2001: A Space Odyssey's iconic jogging scene
Posted by Darth_Vader
A galaxy far, far away
Member since Dec 2011
64615 posts
Posted on 3/31/15 at 8:54 am to
quote:

That would be a monstrous ship. It would have to be the size of the Earth to get the 1G of gravity we are used to.


Not quite the size of the Earth, but still pretty damn big.

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