The Bat – Kinetic LEGO Sculpture Flaps Its Wings Just Like The Real Bat

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Kristal’s custom designed LEGO kinetic sculpture of a fruit bat, or flying fox. This model is motorized and features a reproduction of the unique wing motion of a bat. In this video, I give an overview of the model and explain how all of the mechanics work.

It took quite a few design iterations to finally get the mechanics of this model compact enough to fit in and under the body, but still evoke the unique movement of a bat’s wings.

This includes the flapping motion, their expansion and contraction, and sweeping them forward with every beat.  The stand also moves the entire bat up and down. In the video I explain how the mechanics work together to achieve these movements.

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The wings are built mostly with LEGO flex tube, to keep them as light as possible. Even so, you can see that they do bounce a bit when they reach the bottom of the downward beat.

VIAJK Brickworks
SOURCEjkbrickworks
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