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Re: Machining an Egg



Original poster: BunnyKiller <bunnikillr@xxxxxxx>

Ive been watching this thread and I feel that I may have an answer as to why solid copper is preferred over most any other material... here it goes... first off paramagnatism ( i think thats the right word) copper offers itself as one of the better materials for this. For those of you that have done some research on neodynium magnets and copper tubes plates etc you will find that a neodynium magnet will defy gravity when slid between copper plates or down a copper tube. If this can occur with slowing down the magnets movement why not "reverse" the situation and instead of a magnetic field ( magnet) moving thru a stationary copper enclosure lets move the field to make the copper move... It would even be interesting to see if the theory is correct on the point that if you had a disc with neodynium magnets spinning below the egg would produce the same effect... most likely would have to be some fairly decient sized magnets to produce the needed field....

just a thought...

Scot D



Tesla list wrote:

Original poster: "resonance" <resonance@xxxxxxxxxxxx>



It works best to have a reasonably large mass to maintain the rotational inertia --- helps with the balance -- sort of a gyro effect even at low speeds. That's why solid copper seems to work good or copper plated steel.

Dr. Resonance




But here's the question.. does your egg have to be conductive or
magnetic?  Why not aluminum, which is still cheap, also easy to
machine or cast.