At 15.44 2005.06.07 +0300, you wrote: >On 6/7/05, Olin Lathrop wrote: >> Charles Craft wrote: >> > Why isn't there a simple way to convert centrifugal or centripetal >> > force to electricity? >> >> Lots of people are working on this. Look for "perpetual motion machine", >> "free lunch", or "getting something for nothing" on the web. >> >> Short answer: You are confusing force and power. You can't extract energy >> repetitively (power) from a static force. > > Olin, centrifugal implies (for some foreign ears:) a rotation >movement. The centripetal and centrifugal are antagonic (opposite) >forces. I don't know what do you mean by static forces. When we talk >about centrifugal we are thinking immediately to the force couple and >to a rotation movement. > > Now, with a simple comparation with the horizontal deflection of a >TV receiver (where a quite important part of the energy is recovered >and used for the vertical deflection, etc), also from a centrifugal >rotation a quite important energy used for movement may be reconverted >in electricity. When and how?. Exploiting the piezoelectric effect of some crystal? -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist