I'm looking for some hints or plans to build a replica of Nikola Tesla's "Egg of Columbus". It's not particularly complex, but one of the unknowns to me so far is if it is single phase or poly-phase. Almost everything he did was poly-phase , but I'm not convinced this is necessary.
For those reading about this for the first time, Tesla had a copper egg made and he placed it in the field of a multi-winding toroidal core reactor. The egg, being asymmetrical, will spin owing to induced magnetism from eddie currents, and as it spins, the egg shape causes it to stand up on the fat end. the name comes from a parlor trick Columbus pulled on a group.
A picture being worth a paycheck...
http://www.youtube.com/watch?v=brNBVDCeECg
For those reading about this for the first time, Tesla had a copper egg made and he placed it in the field of a multi-winding toroidal core reactor. The egg, being asymmetrical, will spin owing to induced magnetism from eddie currents, and as it spins, the egg shape causes it to stand up on the fat end. the name comes from a parlor trick Columbus pulled on a group.
A picture being worth a paycheck...
http://www.youtube.com/watch?v=brNBVDCeECg
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