On 3/10/2013 12:27 PM, James Waldby wrote:
On Sun, 10 Mar 2013 08:11:17 -0500, Richard wrote:
On 3/10/2013 1:35 AM, Gunner wrote:
On Thu, 07 Mar 2013 20:05:11 -0800, Larry Jaques wrote:
On 8 Mar 2013 02:54:21 GMT, "DoN. Nichols" wrote:
On 2013-03-06, Jon wrote:
On 3/6/2013 12:37 PM, Larry Jaques wrote:
Wow! I gotta get me wunna them steam gyroscopes!
Maybe it'll keep the planet from losing its tilt.
Going to need a friggin big gyroscope for that task...
Isn't the planet itself the gyroscope?
Um, a 24 hour period is a mighty slow rate.
Its just a matter of scale. What...86,400 seconds is too slow for
you?
Thats 1 rpd....but its a bit more than 1000 mph. And it goes around
the sun at 67,000 mph

Course that too is only 1 rpy. Shrug

I guess you shot this off before you saw my post?

Surface speed for 1 g at 1AU is not 1 RPY.

Right, more like 40 RPY. If you put radius = 150000000 km (or about 93
M miles) athttp://www.calctool.org/CALC/phys/newtonian/centrifugal
and angular speed = 0.000077 RPM (which is .11 rotations/day, or 40.5
per year) then centrifugal acceleration shows up as 0.9945 g's.
According tohttp://en.wikipedia.org/wiki/Ringworld#Plot_summary
Ringworld has "artificial gravity that is 99.2% as strong as Earth's
gravity through the action of centripetal force".



Excellent tool in that link, Mr. Walby.
Thanks.

Richard