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FromTheRafters

Bob F brought next idea :
On 4/22/2020 8:36 AM, FromTheRafters wrote:
Ralph Mowery presented the following explanation :
In article , says...

On 4/21/2020 7:36 PM, Andy wrote:
I bought some 1.5 inch Neodymium Disc Magnets.

I used some for holding tools.

I am looking for other ideas for what to use them for.

I was incredulous for the holding power of them.

After removing the separators between two of them, I had a heck of a
time separating them.

Andy

I have 3 about 2x3x 1/2" stuck together. I am going to have to make a
special tool to get them apart.* I have to be REALLY careful around any
iron of any size not to get pinched.

The computer hard drives have some very powerful magnets in them.

Microwave ovens too.

These ones of mine probably have a pull on the order of 150+ lbs.

I once had the horseshoe magnets from an sps-40 radar. Went to the
local pier and fished for tackle. Those were AlNiCo IIRC and todays
rare earth magnets are quite surprisingly strong.