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Old 03-19-2017, 08:47 PM   #1 (permalink)
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Magnets on Bulltear Z breakaway

Anybody know where I can find some magnets like the ones on my Bulltear Z axis? They are like 3/4" square and 3/16" thick with a hole in the middle. I found some rectangular and round ones on ebay, but I'm not sure how to determine the strength of the ones I have. The ebay ones are N50. I think that is the strongest rare earth ones. Is there a calculator for these magnets?
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Old 03-20-2017, 09:06 AM   #2 (permalink)
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Countersunk Rectangle Magnets | CMS Magnetics

MAGNET4LESS-APPLIED MAGNETS-Neodymium Magnets-Rare Earth Magnets-Ceramic Magnets-Industrial Magnets-Magnets Wholesale To The Public
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Old 03-20-2017, 09:13 AM   #3 (permalink)
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I don't think they are quite that thick. I'll have to measure again, but I think they are closer to 3/16". Would the thicker ones be stronger? Don't want too much breakaway force.
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Old 03-20-2017, 09:41 AM   #4 (permalink)
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ave you asked matt at bulltear (starlabs)?
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Old 03-20-2017, 10:17 AM   #5 (permalink)
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I asked him about buying the alum plate w/ magnets and it was more than I want to spend. I thought maybe I could find the magnets separate. If he doesn't see this post, I'll e-mail him later.
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Old 03-20-2017, 01:39 PM   #6 (permalink)
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check out K&J Magnetics - Strong Neodymium Magnets, Rare Earth Magnets, they might have something for you
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Old 03-20-2017, 05:47 PM   #7 (permalink)
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Quote:
Originally Posted by djreiswig View Post
I don't think they are quite that thick. I'll have to measure again, but I think they are closer to 3/16". Would the thicker ones be stronger? Don't want too much breakaway force.
The 1/4" thick hold ~20lbs, the 1/8" ~10lbs.

You might be interested in this thread
http://www.pirate4x4.com/forum/shop-...way-build.html
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Old 03-20-2017, 06:22 PM   #8 (permalink)
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I saw that post a while back. Matt e-mailed me back. I guess they are 1/4" thick so the ones you guys found should work. Thanks.
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Old 03-22-2017, 08:06 AM   #9 (permalink)
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The magnets we are using are expensive because they are certified. Above are some very economical style magnets that should most likely work. If you get one or two that dont they are cheap enough to get a handful.
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Old 03-22-2017, 08:09 AM   #10 (permalink)
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Yeah, I ordered some. I didn't know they certified magnets. I guess you gotta be sure they will perform as expected. Just another way BT goes over and above the other guys.
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