attila@kinali.ch said: > I am not sure you can apply this definition of Q onto earth. Q is defined > for harmonic oscillators (or oscillators that can be approximated by an > harmonic oscillator) but the earth isn't oscillating, it's rotating. While, > for time keeping purposes, similar in nature, the physical description of > both are different. What do gyroscope-nuts use to describe the quality of their toys? -- These are my opinions. I hate spam.

Hi Hal: I resemble that remark. Momentum and drift. It's interesting that the drift rate depends on the physical volume. See table at: http://www.prc68.com/I/Sensors.shtml#Gyroscopic http://www.prc68.com/I/Gyroscopes.html -- Have Fun, Brooke Clarke http://www.PRC68.com http://www.end2partygovernment.com/2012Issues.html The lesser of evils is still evil. -------- Original Message -------- > attila@kinali.ch said: >> I am not sure you can apply this definition of Q onto earth. Q is defined >> for harmonic oscillators (or oscillators that can be approximated by an >> harmonic oscillator) but the earth isn't oscillating, it's rotating. While, >> for time keeping purposes, similar in nature, the physical description of >> both are different. > What do gyroscope-nuts use to describe the quality of their toys? > >