Off Topic Hobbies > Mechanical Engineering

Dirac Belt Trick Mechanism cleverly avoids twisting wire

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mathsquid:
This is an interesting video I ran across. A cube is turned continuously, but the string attached to it doesn't get twisted.



More info: https://en.wikipedia.org/wiki/Plate_trick

Circlotron:
I wonder if you could somehow use that principle to construct a homopolar disc generator or motor that doesn't need slip rings?

domika:
this is a good project

T3sl4co1l:

--- Quote from: Circlotron on March 25, 2021, 01:10:11 am ---I wonder if you could somehow use that principle to construct a homopolar disc generator or motor that doesn't need slip rings?

--- End quote ---

Hmm, perhaps.  But is the solution worse than the problem -- how are you going to get all that current out?  Surely not through cables, the amount of flex requires a lot of slack and discourages large amounts of it. :-//

Somewhat related mechanism:



Tim

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