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Old 10-05-2009, 06:49 PM   #1 (permalink)
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Met an etek motor enginer today.

Today I was working at some guys house and was talking to him a little, we needed something to tie a rope to, so he pulled out his golf cart then started to tell me that it was not exactly stock... that it has a 48V 15hp electric pancake motor in it! that it was a prototype from Briggs and straton from when he was a research engineer, that the Etek motor was based off this design but was not as powerful and that the main reason that it was not in production was that the Chinese company that was going to build it started to build it under their own name, got sued and now everything is tied up and no one is building it, he also had what looked like an Etek motor only it was about a foot long and had "stacked rotors" not sure the power output on it and he was not willing to sell any of them.

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Old 10-05-2009, 07:11 PM   #2 (permalink)
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Cool, go steal it from him. jkjk
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Old 10-05-2009, 07:13 PM   #3 (permalink)
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I second that. Or take pictures.

The stacked rotor design has been discussed, but I don't think it ever went anywhere beyond design. I've thought about building a motor this way, but I don't have the means to do it.
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Old 10-05-2009, 11:43 PM   #4 (permalink)
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I took photos, but am having trouble finding a host for them...
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Old 10-05-2009, 11:54 PM   #5 (permalink)
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Photobucket? Or even your album here on EM... although they resize to 800x600, I think.
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Old 10-06-2009, 12:18 AM   #6 (permalink)
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I'll host them if you want. Just zip them and send them to me via PM using sendspace.com or similar.
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Old 10-06-2009, 01:15 PM   #7 (permalink)
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http://ecomodder.com/forum/member-ryland-albums.html



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Old 10-06-2009, 05:04 PM   #8 (permalink)
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Not quite what i was thinking of... When you said multi-rotor, I was thinking something more along the lines of several of those things in your hand stacked together on a single armature, and a 2 piece housing bolted around them with coils that stick down in between each rotor.

Kind of like this:

-|:|:|:|-

Where | is part of the housing, and : is one of the rotors.
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Old 10-06-2009, 06:02 PM   #9 (permalink)
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This is a very cool story, Ryland.
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Old 10-06-2009, 06:36 PM   #10 (permalink)
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Here's a supplier from the my old battlebot days. Available are various motors & an E-tek replacement designed & built by original E-tek motor designers. The E-tek R is a great value for power/weight brushed PM motors.

Etek Motor - Robot MarketPlace - Briggs & Stratton

Great resource for mechanicals, drives, DC motors, speed controllers, & battery packs. Well informed & friendly tech resource as well!

Ryland,

Looks like a LEMCO's coil armature. Check out @ 6:44.



Last edited by botsapper; 10-06-2009 at 06:51 PM..
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