Electrical Generator/motor

Electrical Generator/motor

This topic has 7 replies, 5 voices, and was last updated 20 December 2009 at 08:24 by Ian S C.

Viewing 8 posts - 1 through 8 (of 8 total)

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12 December 2009 at 19:00 #46146
Adrian Gough
Participant
@adriangough27461
I would like to make a motor/ generator for a small model beam engine.

When under steam or air power to genrate enough power to light a few tiny laps r LEDs. Also to drive he beam engine from a battery when there is no steam or air available.

If Model Engineer ever ran an article I would like to know.

Thaks.
Advert

12 December 2009 at 19:00 #4882
Adrian Gough
Participant
@adriangough27461
12 December 2009 at 20:06 #46147
JasonB
Moderator
@jasonb
Cotswold do a kit, I know some of their stuff has been covered in ME but not sure of the generator

Jason
12 December 2009 at 21:04 #46149
John Haine
Participant
@johnhaine32865
I seriously suggest that you cheat, use a standard permanent magnet motor disguised to look “scale”. Motor will operate perfectly well as a generator as well as a motor when you want it to.
13 December 2009 at 11:16 #46162
Ian S C
Participant
@iansc
You should be able to find a low voltage electric motor.They may be found in old printers,old battery power tools(only thing wrong,dead battery),also old VHS recorders ect,should be able to pick up as freebees,you’ll find pleanty for the junk box,ie there are often little bearing races and other useful bits.Ian s c
13 December 2009 at 12:54 #46168
Engine Builder
Participant
@enginebuilder
Not wishing to discourage you but beam engines were never used to power generators.

A high speed engine would be needed.
19 December 2009 at 17:44 #46423
Adrian Gough
Participant
@adriangough27461
Thanks all. I was coming to the conclusion that to ‘cheat’ would be the most sensible way to work round my problem.Adrian gough
20 December 2009 at 08:24 #46437
Ian S C
Participant
@iansc
Hi Adrian,its quite possible to disguise a small low voltage motorto look like a generator of what ever vintage you care for.When choosing a motor,look for onewith low revs and a higher voltage,say 24v(12v OK),usually the bigger the motor the more current that can be got out of it,it does’nt matter because you’ll get about 50per cent of what is put in,maybe less.If you use a reasonable size motor you’ll be able to turn the steam engine overwith ease.Use rechargable batteries and they may be recharged by the generator.Ian S C
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