Sorry for double post, modem dropped during sending and a refresh on the browser when it was up resent the message.
Steve On 08/08/2010, Steve Rooke <sar10...@gmail.com> wrote: > This is very interesting and I wonder if the capabilities of this > system being applied to any clock pendulum. If this sort of control > any pendulum, then I wonder if it's possible to sync it to some > standard. > > Steve > > On 08/08/2010, Don Mimlitch <donm...@yahoo.com> wrote: >> Jim Said: >>>It also has a coil mounted near the pendulum and a fixed magnet on the >>>pendulum bar and this coil connects to a box down below with a meter >>>and a knob. They are labeled in sec/day. The electronics in the box >>>are not clear (being quite old) but by measuring the current in the >>>coil it quite simply increases the current one way to slow the clock >>>and the other way to speed it up. (I'll admit the physics of this >>>doesn't make sense to me - but it works!) >> >> I have a Warren Telechron Master Clock used in Power Stations in the 20's >> to >> regulate the 60 Cycle so that household clocks using synchronous motors >> would be accurate to seconds a day. >> >> This clock has a similar permanent magnet at the end of the Pendulum and >> a battery connected to a potentiometer to adjust the current flow >> positive >> or negative in an electro-magnet below the pendulum.. >> If the bottom of the magnet in the pendulum is "north" and the current in >> the electromagnet is flowing such that its top face is North, then this >> will >> repel the pendulum causing its swing to be wider and contrary to common >> knowledge the swing of a fixed length pendulum is not constant regardless >> of >> the swing. (Huygens discovered this in 1670 an found by forcing the arc >> of >> the swing to be cycloid instead of circular he could produce uniform >> oscillation) Thus if the arc is longer the swing takes more time and the >> clock runs slower. >> If the current flows in the opposite direction and the two magnets >> attract >> then the arc is shortened and the clock runs faster. Of course my master >> clock isn't as accurate as a Riefler pendulum clock. Also the magnet in >> my >> clock has lost it's magnetism over time and I can't use this regulation. >> >> So the goal of your adaptation is to have precision control of the >> current >> flow in the positive or negative direction. Others on the list are better >> then me at describing how you might achieve this. >> >> >> >> >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > > -- > Steve Rooke - ZL3TUV & G8KVD > The only reason for time is so that everything doesn't happen at once. > - Einstein > -- Steve Rooke - ZL3TUV & G8KVD The only reason for time is so that everything doesn't happen at once. - Einstein _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.