Roller Coaster

A very basic AC motor is used to power the lift.  Its small pulley is connected to a larger pulley via a set of belts.  The small-toothed gear in the middle of the large pulley further slows down the speed of the rotation.  The end result is a large reduction from the RPMs of the motor to the RPMs of the chain lift gear.  This also gives a mechanical advantage so that the small motor can lift a fully loaded train up the lift hill.

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©2015 Joel A. Rogers.