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Author Topic: My project this month (Warning bad drawing here)  (Read 12812 times)

Leganoth

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Re: My project this month (Warning bad drawing here)
« Reply #15 on: 2011-09-07, 01:56:50 »
Quote from: The Red Knight on 2011-09-06, 04:35:08
I've only seen them in round.  They come in various strengths.  I got mine at Hobby Lobby.  I used four 1/2 inch #10 strength ones to secure my griffen crest.  I drilled some 1/2 inch holes into the underside of the crest, packed in a little plumbers epoxy putty, and then shoved the magnets in the holes.  Haven't had any trouble with them pulling off the crest.  For wings, I'd try two 1/4 inch magnets per side (since the helm is curved).  As for stability, with #10 rare earth magnets, I practically have to pry my crest off!

So this would be good? http://www.kjmagnetics.com/proddetail.asp?prod=DX04
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Sir Rodney

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Re: My project this month (Warning bad drawing here)
« Reply #16 on: 2011-09-07, 12:33:38 »
Quote
Each of these discs has a pull force of over 25 lbs.

Holy magnetic force Batman!
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Sir Patrick

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Re: My project this month (Warning bad drawing here)
« Reply #17 on: 2011-09-08, 17:52:09 »
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Leganoth

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Re: My project this month (Warning bad drawing here)
« Reply #18 on: 2011-09-08, 22:14:34 »
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Sir Patrick

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Re: My project this month (Warning bad drawing here)
« Reply #19 on: 2011-09-10, 22:50:45 »
Very strong.  I literally have to pry my crest off the helm.
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Sir Brian

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Re: My project this month (Warning bad drawing here)
« Reply #20 on: 2011-09-12, 08:00:06 »
At the risk of seeming too obtuse, the helm you intend to use the magnets on isn't stainless steel right?  ???
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Sir William

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Re: My project this month (Warning bad drawing here)
« Reply #21 on: 2011-09-12, 15:29:00 »
That is an excellent question...and a valid one at that.  No matter how strong the magnet, if the helm is stainless you won't get any sticking going on.
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Re: My project this month (Warning bad drawing here)
« Reply #22 on: 2011-09-12, 22:53:03 »
Quote from: Sir William on 2011-09-12, 15:29:00
That is an excellent question...and a valid one at that.  No matter how strong the magnet, if the helm is stainless you won't get any sticking going on.

A second magnet glued inside the helmet *might* take care of that; seems like the magnetic force that strong could work through steel, but I'm sure at a cost to it's potency. Great point, Sir Brian.
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Sir Brian

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Re: My project this month (Warning bad drawing here)
« Reply #23 on: 2011-09-13, 00:20:05 »
Quote from: James Anderson III on 2011-09-12, 22:53:03
Quote from: Sir William on 2011-09-12, 15:29:00
That is an excellent question...and a valid one at that.  No matter how strong the magnet, if the helm is stainless you won't get any sticking going on.

A second magnet glued inside the helmet *might* take care of that; seems like the magnetic force that strong could work through steel, but I'm sure at a cost to it's potency. Great point, Sir Brian.
That could work, but the adhesive holding the inner magnet would become the weakest point but worth trying. :)
« Last Edit: 2011-09-13, 16:10:57 by Sir Brian »
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Leganoth

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Re: My project this month (Warning bad drawing here)
« Reply #24 on: 2011-09-13, 00:31:58 »
Quote from: Sir William on 2011-09-12, 15:29:00
That is an excellent question...and a valid one at that.  No matter how strong the magnet, if the helm is stainless you won't get any sticking going on.

My helm is carbon steel with a brass cross
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Sir William

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Re: My project this month (Warning bad drawing here)
« Reply #25 on: 2011-09-13, 19:04:23 »
Problem solved!  lol
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