Engines > From Kits/Castings

Retlas "Manchester" Dynamo

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Chipmaster:
Hi Keith.
The assembly carrying the brushes is called the Armature Reaction Compensator so yes - the wooden handle does adjust the position of the brushes which is necessary because of magnetic field distortion. I can’t explain it so I’ve added this link to a website that appears to cover the subject in depth.

https://www.geeksforgeeks.org/armature-reaction-in-dc-machines/

Andy

Alyn Foundry:
Retlas Dynamo being driven by a Hornsby Stockport gas engine. It delivered a 100 Watt continuously for 18 hours.

Photo courtesy of Dennis O’Connell.

Roger B:
That will keep you lit and run a mini fridge to keep the drinks cool  :)  :ThumbsUp:  :wine1:

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