This is a basic stand with counterrotating pulley system for testing
various electrostatic machine ideas.
The belt is white string and is under a lot
of tension. I hope to find something else to use instead.
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The leftmost pulley on the shaft at the bottom
is for future use in case I want to drive the shaft using a motor that
is on a separate shaft.
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I was lucky enough to be able to use all
K'Nex toy parts (similar to LEGO) for the free turning pulley side.
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Homemade hand crank.
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The holes for mounting large disks have not been
drilled at this time. The large disks would be attached to the inner
surfaces so that they can be close together.
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These pulleys are made of 6mm thick Lucite
acrylic. I hand filed the edge to make the groove. The bearing
is epoxied in place with a large thick mass of epoxy. Three
screws were added after when it was found that moderate shear force
made the epoxy separate from the acrylic. Note that the shaft does
not rotate.
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