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codefox421 — LEGO Decimal Mechanism
Published: 2008-08-24 15:57:03 +0000 UTC; Views: 4589; Favourites: 28; Downloads: 249
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Description
(Full, original 640x640 view available via download link.)3D animation render of an actual working LEGO mechanism. Basically, for every ten rotations of the handle on the back, the pointer on the front makes one rotation. However, this is not just your average, ordinary gearing! If you look closely, you will notice that this mechanism takes an analog (continuous) motion and outputs a digital (not continuous) motion in the opposite direction along the same rotational axis! And what makes it truly amazing is the fact that it is at a 1:10 ratio.
As far as the actual 3D work goes, the piece models are (c) those wonderful people who have contributed to LeoCAD. The rigging, lighting and animating is (c) yours truly.
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Comments: 5
I love mechanical stuff like this, and I always found analog->digital type mechanisms interesting. Not 100% sure how this particular one works, but hurray for lego
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I didn't understand how it worked at first either. I picked up the design from an AFOL at Brickworld '08. If you have the pieces, I'd definitely say give it a build. It's one very interesting little mechanism, and very enlightening to put together in the physical brick.
If you don't have the pieces, but still want to figure it out, I'd suggest paying close attention to the gear, the chain, and the white pin-joiners that are moving up and down.
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