If they were allowed to come together (under control), the force required to separate would be in excess of 400Lb. Sliding them apart with extreme care, by two sets of hands and pieces of wood, is the only safe way to get them apart.
From 10ft away, either my monitor or TV screen image will distort with black spots enough to be easily visible as you move one of the magnets in a circular motion. Any closer and you run a distinct risk of having to de-gause to correct the cathode gun.
They need to stored "very" carefully.
At a previous employment they were used (120-300 at a time around the circumference) in pigs (pipeline device that gathers data about the pipe wall as it travels inside push/pulled by the product) to create a magnetic field through the pipe wall itself.
Sensors would detect changes in the field, which in turn were interpreted as cracks, bend, dents, etc.
There are times when magnetic field strength can be dangerous...this is one of them.
Zb. Michalczyk wrote:
Steve and All!
Check my web site
especially accessories page
Those are neodymium magnets
rare earth magnets are not made in large sizes for some reason
We have been experimenting with them in variety of application for last 2 years
I would not hesitate to use them in large scale gliders
I have them installed in 3M glider and this thing works like a magic
I should shortly place an article about this little thingies on my site
Zbigniew Michalczyk The Soaring Little Fleet of Poland http://mysite.verizon.net/vze2qbfc/
----- Original Message ----- From: "Steve Lange" <[EMAIL PROTECTED]> To: <soaring@airage.com> Sent: Tuesday, March 01, 2005 2:35 PM Subject: [RCSE] Rare earth magnets as wing retention devices?
One more question: anyone tried using large rare earth magnets as wing retention devices on wings with plug-in wing panels? I know that these are routinely used for hatch and canopy hold-downs and similar, just wondering if people have tried them in place of snap-type wing locks or hook & band retention systems?
Steve
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