Approx 9 Teslas (or 89,000 gauss)
Higher than that & you might find next doors cat stuck to your front door.
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The magic of chutney Shakes it like an Instagram filter!,
Wed 28 May 2008, 17:28,
archived)
Hmm sounds about right
Certainly for lifting the leg of beef. I'd make it adjustable as well or you'd find the carrots shooting by at half the speed of light.
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boris the spider,
Wed 28 May 2008, 17:31,
archived)