Trammel of Archimedes Desktop Spinner

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A Trammel of Archimedes with three sliders, where the center of the sliders is fixed and the channels rotate. Makes for a fun little desktop spinning toy.

The result is essentially a pair of gears with a 2:1 gear ratio. Unlike a pair of traditional gears, they both rotate in the same direction.

#lego #engineering #trammel

JK Brickworks

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walmart hypnotizer

"Look at these saaaales, buuuuy one..."

TramvayValera

thats absolutely nuts, hope to get to this level someday, very well done bro

ceoofbeans

This does something to my head and I cannot describe it fully, like a brain massage

sablesalt

This is something a fun teacher would have on their desk

westonnemitz

An absolutely insane product of engineering and mathematics...
... with absolutely no practical application that I can think of.
Well, the Trammell of Archimedes as a broader concept does have some applications.

void-creature

There should be a lego series specifically about scientific gadgets

stringy

I would've loved to see a slo-mo version of this to really understand how it works!

MikeyJBlakeJR

It’s basically a trochoid pump but the cogs can travel inside each other.

_..-.._..-.._

I guess that kind of works like a 1:2 gear then

fryncyaryorvjink

Never ever have I watched a JK brickworks video and found it boring. Every time, no matter how simple the build, it is always so remarkably amazing to see what you and your team comes up with!!! <3

codysavage