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Compact Dynamo-testing Equipment

14th August 1936, Page 26
14th August 1936
Page 26
Page 26, 14th August 1936 — Compact Dynamo-testing Equipment
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THE accompanying illustration shows the latest test equipment now being supplied to the many branches of

Simms Motor Units, Ltd., Oak Lane, East Finchley, London, N.2. The instrument panel at the back carries all the necessary meters for a complete test on any dynamo, control board, switchboard, etc., made by the company.

A dynamo on test can be seen on the right flat top of the stand, whilst a control board (with the cover removed) is seen to the left of the dynamo. Below the control board is plainly visible the infinitely variable speed gearbox which gives a. dynamo speed range from 400 r.p.m. to 4,500 r.p.m., whilst a further reduction in speed can be obtained . by using an armature resistance in the motor circuit.

On the left-hand side of the stand is fixed one of the load resistances used for output tests on the dynamo. Wow the dynamo is situated the control gear for the motor, which consists of an isolating switch and fuse, reversing switch, armature resistance and the starter.

The stand is substantially built and it forms a comprehensive test plant for the electrical products of the Simms concern. It is claimed to be the ,first of its kind in this country. , .


Locations: London

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