Double Helix Archimedes Screw LEGO GBC Module

Posted by on May 22, 2016 in LEGO | 0 comments

This LEGO Great Ball Contraption (GBC) module uses a true Double Helix Archimedes Screw to transport the balls. It uses slides (6 x 12 x 8 studs, 11267) for its screw. It works very reliably and does not jam. There are some more photos in my Flickr album.


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