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I asked on another thread in the general forum, but i think i have better luck getting answer here...
so basically, i have boat load of Eldar and a Necron Lord to assemble, and i want to magnetize it as much as possible.
my question is, which size of magnets? they are easy to find, but with so many choice, i just dont have a clue which to get. If they're too small, i end up with arms falling off my lord, or weapon falling off my vyper. if they're too big, they just wont fit.
i know i will most likely have to use 2 or 3 different size, but which?
3mmx1mm seems small enough for arms on my lord (and whatever other Eldar that might needs it). But i'm affraid it will be too big to fit inside the round part of the arms.
All good questions. You can find even smaller magnets on ebay. I use the .5mmX2.5mm that I use for the extremely small arms and what naught. The 3x1 will work fine for troop arms and lords. For inside the arms, I would use the .5mmx2.5mm.. However, the 3x1 *can* work if put in the right location. You can also cut the magnets and use both halfs if needed. The magnets when cut don't lose that much of their strength.
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I find 3mm x 1mm works fine for most joints. It is strong enough to hold bigger pieces and small enough to use for small things.
I used magnets on my Destroyer Lord to swap back and forth between the two weapon and off-arm options.
I posted on the process at this link:
I used 1/16" magnets and a 1/16" drill bit. The 1/16" magnets wont hold up heavy metal pieces so I had to use 2 to hold it up.
I suspect that a 1/8" magnet might be able to hold it in place, but it would be harder to hide the magnets.
this is where I ordered my magnets:
1/16" is roughly 1.5 mm...
1/8" is 3 mm
i'm not sure i'd try cutting magnet... i'm pretty good at hurting myself with knifes
so, to get the best of both world, 2mm (5/64") x 1mm (3/64") would be the best?
could it really hold weapon on an Eldar Falcon? or, is it at least small/big enough so i can place 2-3 of them to get the weapon to stick? or should i order 2 different size, one for vehicle and one for troops?
Just make sure that they are Rare Earth Magnets - none of the others work. And don't worry, they're not actually rare at all.
I still think 3x1 is the best.
As for their strength, you'd be absolutely amazed. Some of the larger ones (0.5 to 1 inch) can hold up several pounds of steel on their own! Obviously the little ones aren't that powerful, but they'll hold on any plastic part you can think of, and all but the really heavy metal parts (and those have room for stronger magnets anyways...).
Just be careful handling them, as 2 Rare-Earth magnets (left loose on your workbench or something) will pull together with so much force that they may shatter themselves on impact!
As for sizes, order a few sizes so that you'll have a magnet for any job. Obviously don't go grabbing huge magnets you'll never need - a magnet the size of a Pencil Eraser will be much more than enough for any job you're ever going to deal with.
Cutting magnets: I've been doing this a long time and have never had an issue of the magnet breaking, crumbling, or losing its strength. I should also add that I'm cutting them with a water saw, which is far more precise than its traditional metal counterpart. But, yes, one can easily cut magnets with the proper tools.
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