What the heck are these things? - Router Forums
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post #1 of 19 (permalink) Old 10-23-2014, 05:45 PM Thread Starter
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Default What the heck are these things?

A friend was cleaning out her father's garage and, knowing my propensity for making odd things out of old stuff, gave me a bunch of old electrical gauges, big toggle switches, and indicator lamps. Her father actually was a rocket scientist working in the early space program so who knows where it all came from.

I found these two ... thingamajigs ... in the box and hope one of you electrical experts can tell me what they are. (Yeah, I know it ain't woodworking but there are those of you with special skills and knowledge of other things.)

Whatever they are, they have a gear on the back and a little window on the front where something moves kind of like the electric meter on a house. I open to any clues.

I'm also open to any suggestions for a project where I could use these cool gauges. A mad scientist's laboratory is the first thing that comes to mind. Or, perhaps, the cockpit of a 1950s era spaceship for a kid. Lots of gauges to look at and switches to flip.
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post #2 of 19 (permalink) Old 10-23-2014, 06:07 PM
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small gear motor sometimes called timer otor
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post #3 of 19 (permalink) Old 10-23-2014, 06:10 PM Thread Starter
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small gear motor sometimes called timer otor
Thanks, John. Can you tell me what they were used for? The gear must attach to something. One of them is marked 1 rpm.

Dragons slain. Damsels rescued. No reasonable request refused ... unless the dragon's really big.

Simplicity is the ultimate sophistication. ~ Leonardo da Vinci

You can't use up creativity. The more you use, the more you have. ~Oscar Wilde

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post #4 of 19 (permalink) Old 10-23-2014, 06:43 PM
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!... "One of them is marked 1 rpm."

That's gotta be useful, Oliver. 60 of them and you've got yourself a clock...
Seriously though, how many times has an idea crossed your/my mind for a project that required very slow movement...maybe also a fair amount of torque?
Do they run on 120V 60 hz?
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post #5 of 19 (permalink) Old 10-23-2014, 08:24 PM
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From Dr. Frankenstein's lab? I thought timer motor too.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #6 of 19 (permalink) Old 10-23-2014, 09:13 PM
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They're called synchronous motors. They are everywhere clocks, timers, etc.

If you have an old school washer or dryer the engine is one of these little guys.

https://www.google.com/webhp?sourcei...chronous+motor
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post #7 of 19 (permalink) Old 10-24-2014, 06:27 AM
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I looked up the patent numbers and they all relate to electric motors suitable for use in clocks and timing devices.
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post #8 of 19 (permalink) Old 10-24-2014, 07:08 AM
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I was going to suggest you use them to build a "rocket", but at 1 rpm, I don't think you'd get there very fast!
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post #9 of 19 (permalink) Old 10-24-2014, 08:25 AM
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I used one of these motors with a cam attached to trip micro-switches to activate chemical analysis machines before computers 50 years ago. I had them geared to 2 r/hour.
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post #10 of 19 (permalink) Old 10-24-2014, 09:15 AM
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They have many uses. They come in many differen ratios. Before solid state times the schedule events on washing machine, dryer, diswashers, water softners. The drive cam plate that trip micro switched to turn items on and off. Saw one driving the the feed rate on a special purpose milling machine once. I have one of those lighted reindeer and it has one that make the head go up and down. The one you see today don't have the exposed gears normally.
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