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Author Topic: Moving Pyramid structure??  (Read 4877 times)

magnetman12003

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Moving Pyramid structure??
« on: April 14, 2016, 06:38:54 AM »
I saw on the You Tube a fellow made a pyramid shape form out of common soda straws glued together.
Then he secured a string to the top of the four sided  pyramid and let it dangle.

The pyramid kept turning in a ""counterclockwise"" fashion until the string could not twist any more.

I don't believe it was a hoax where the string was pre twisted to turn that way.

 I wonder if anyone has ever tried that using a small ball chain from a light bulb receptacle?

Noting stopping the turning movement now.

https://www.youtube.com/watch?v=jAbCosuxB2A
« Last Edit: April 14, 2016, 04:57:43 PM by magnetman12003 »

magnetman12003

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Re: Moving Pyramid structure??
« Reply #1 on: April 14, 2016, 06:43:58 PM »
I saw on the You Tube a fellow made a pyramid shape form out of common soda straws glued together.
Then he secured a string to the top of the four sided  pyramid and let it dangle.

The pyramid kept turning in a ""counterclockwise"" fashion until the string could not twist any more.

I don't believe it was a hoax where the string was pre twisted to turn that way.

 I wonder if anyone has ever tried that using a small swivel type ball chain from a light bulb receptacle?

Nothing stopping the turning movement then.

https://www.youtube.com/watch?v=jAbCosuxB2A