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Powerful magnetic force from an electromagnet,

Powerful magnetic force from an electromagnet,

(OP)
Is it possible to produce over 1000 lb of magnetic force over a distance of 4 inches, using an electromagnet?
How difficult would it be? Explaining the general spec's of such an electromagnet?
And most importantly, the most expensive part of all the power input... How much power would this electromagnet need? A few kWatts?

RE: Powerful magnetic force from an electromagnet,

It is possible, but probably not practical.
4" is a very long distance.

= = = = = = = = = = = = = = = = = = = =
Plymouth Tube

RE: Powerful magnetic force from an electromagnet,

(OP)
@EdStainless, could you explain why it would be in detail?
@IRstuff most of those electromagnet's forces are rated at 3000 lb + at direct contact, and 90% of that force is dropped with a gap that is 0.1"... Yet they don't consume a lot of power, I assume by increase P from 200W to 2000W the results would easily show.

RE: Powerful magnetic force from an electromagnet,

(OP)
@EdStainless, why is it not practical?
Please do explain.

RE: Powerful magnetic force from an electromagnet,

(OP)
Could this calculator be reliable?

RE: Powerful magnetic force from an electromagnet,

(OP)
There is more explanation from this link that makes me consider this to be reliable but not sure...
Source.

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