Custom-Built Mechanical Battery Powered by a Pendulum

A big pendulum hangs in Tom Stanton’s workshop, ready to go. He heaves the weighted arm to one side, lets it go, and watches it swing for a long time thanks to the low friction bearings. This is a simple device for storing energy, as gravity converts potential energy into kinetic energy with each pass, [...]

Custom-Built Mechanical Battery Powered by a Pendulum
A big pendulum hangs in Tom Stanton’s workshop, ready to go. He heaves the weighted arm to one side, lets it go, and watches it swing for a long time thanks to the low friction bearings. This is a simple device for storing energy, as gravity converts potential energy into kinetic energy with each pass, [...]

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