I have no math and I must scream

[kinzel]

I'm looking for an idea of what kind of rotation I'd need on a drum with a diameter of about 6 meters to give an object/person on the inside of the drum the feeling of 1/10, 1/3, 1/2, 3/4, 1, and 1.5 g ... is that too hard? Alas, I have no math and I must scream. Said drim to be in a spaceship in orbit, if you care.

Comments

[keristor.livejournal.com]

"w=sqrt(geff/r) which gives 1.8 Hz for 9.81 m/s^2 and a 3 meter radius"

Er, that 1.8 is angular velocity in radians per second, so that's 0.29Hz or just over a revolution every 4 seconds. Still fast.

As a table:

 G      Hz     RPM
1/10   0.09    5.5
1/3    0.17   10.0
1/2    0.20   12.2
3/4    0.25   15.0
1      0.29   17.3
1.5    0.35   21.1

I agree that the 'tidal' forces would be rather high at that radius, even being in bed and raising your head would be rather nausea-inducing at 1G.

Numbers

[stick-breaker.livejournal.com]

As you can see a 3 meter diameter barrel has to spin very fast to
create the affect of 1G of acceleration.

And you must also take into consideration the effect below the 'Floor', if there is anything farther from the center of spin than the barrel floor.

stickbreaker