Tuesday, September 4, 2007

Lego Marble Pump II: Handcranked Bugaloo

The basic idea behind the Lego marble pump is working. I cobbled it together well enough to demonstrate My Vision, but many kinks remain to be worked out. For instance, the little levers need to be worked automatically. But I'm not going to do that, I'm just going to post the video of it hobbling along.

In case that isn't clear:

  1. Marble goes in ramp at left
  2. Cam on central carriage hits lever to open gate, allowing marble into carriage (part of cam played by my finger)
  3. Central carriage lifts, eventually dumping marble into next higher ramp (another "cam" lifts lever there to make sure gate is closed)
  4. Central carriage lowers, goto 2

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