Does anyone know anything about "Ringworld" by Larry Niven? Question related to it! help plz!?

Question

How fast does Ringworld spin to provide its inhabitants with the sensation of normal earth gravity?

What would it be in earth days per rotation???

...or in rotations per earth year????

Answer 1

thank you so much for this question... I read "Ringworld'' a long time ago and loved it... and then ran into this....

http://commons.wikimedia.org/wiki/Image:...

and try as I might, couldn't then remember the Niven book's name!!!>.. thank you!!!... now I can go get it and read it all over again!.... now that I even understand a little more about it!....

Answer 2

Larry Niven's Ringworld would have to spin at about 1211 kilometers per second (753 miles per second). This translates to about 107.76 hours (a little under four and a half days) per rotation, or 81.3 rotations per year.

Answer 3

the ring itself is rotating at 1200 km/s

http://en.wikipedia.org/wiki/Ringworld