Duncans Metal Pages
A: Electrics
Last updated: 30 Apr 2017

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Jacobs favoured a pulley system using overhead shafts for driving his gear cutting machine.  I don't have a pulley system in my workshop, so some more up to date means of driving the machine are required.

A small induction motor is the favoured approach, along with some safety items such as a No Volt Release switch, maybe a panic button too.

06-May-2003: Thanks to Charles Ping from the uk.rec.models.engineering newsgroup, I now have a motor.  It's a 1/4hp 2 pole split-phase induction motor made by Crompton Parkinson.
Just trying to figure out the windings and gizmo's on it, will dismantle and give it a coat of paint.  Pretty sure that the T on the motor is the mains in for a thermal cutout, the two unknown purple wires only measure 0.3 ohms across so unlikely to be a winding. Taking the motor apart will answer that question...
10-May-2003: Taking it apart showed that the purple wires were indeed for a thermal cutout.  The motor has been cleaned, painted, bearings checked etc.  It runs smooth and quiet, so plenty of life left in it.
 

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Warning: These pages consist of images and descriptions of equipment which can reach high temperatures creating hazardous and potentially dangerous situations.  These pages should not be taken as a step by step guide on how to construct any items or carry out any particular procedure, nor should any references to safety contained herein be taken to guarantee safety in all situations.