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Old 04-13-2009   #8 (permalink)
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Re: Gravity

Quote:
Originally Posted by modest View Post
I agree with Craig—a centrifuge is the way to go....
You guys are right. Go with a centrifuge. But forget the NASA / test-pilot style of centrifuge. Think carnival ride!!

Many carnivals ("fairs", "circuses") have rides that are basically centrifuges. One is a circular floor with a high wall, making a circular "room". You stand at the edge with your back to the wall. The room spins faster, until everyone is "pinned" to the wall. Sometimes they drop the floor at this point to make the ride scarier.

Consider a variation: the wall starts out flat, co-planar with the floor. You stand on the wall. As the floor starts spinning, the wall is slowly tilted inward at just the right amount so that if you're standing correctly, the horizontal component of the centrifugal force (outward) is just enough to balance the tilted-gravity force (inward). The remaining component of the centrifugal force will pull you toward your feet.

If the room spins fast enough so that the wall tilts upward at 30 degrees -- and you can stand "straight up" on the wall (your body is perpendicular to the wall and tilts inward at 30 degrees to the floor), you should be experiencing around 2 G's.


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