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This lego great ball contraption module uses a set of "forks" attached to technic lift arms to lit the GBC balls to the next module. The lift arms have to lift when they can't turn any farther. The mechanism is very reliable, but it can't be running to slow. The mechanism that loads the forks looks weird, but it does work well. I had a hard time getting the design right but it works well now. If you want the LDD or Stud.io file you can get them here.

 

 

Lego GBC Dual forks module photos.Lego GBC Dual forks module photos.

 

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8 hours ago, Berthil said:

Clever mechanisms in a small space, well done.

Thanks! If I was to make it again I think that I would have made it a extra 16 studs longer.

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Great design, love to see it and can't wait to build it.

Just downloaded the partslist and it looks I can build it right away
My granddauchters love these things.

Edited by coinoperator

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13 hours ago, coinoperator said:

Great design, love to see it and can't wait to build it.

Just downloaded the partslist and it looks I can build it right away
My granddauchters love these things.

Thanks! I would recommend using the stud.io file as it has all the correct parts, the LDD file has some different parts as LDD is out of date.

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