We made a prototype wheg (wheel = leg) robot, based on a design by Brainergiser. The robot can conquer surprisingly difficult terrain, especially considering it’s mostly made of cardboard and hot glue! There’s no control system – it’s just two motors and a battery on a cardboard frame with loosely coupled cardboard whegs and some hot glue pads for traction.
![](https://desert.nyuadim.com/wp-content/uploads/2021/10/Wheggo-stopped-2021-10-22-1-768x1024.jpg)
Wheggo makes incredible patterns on the sand dunes, simply due to the interaction of the sand, robot, and gravity. The robot tends to go downhill – when started in the uphill direction it will eventually not be able to climb higher and will naturally turn downhill due to gravity and the lack of traction. Quite satisfying!
![](https://desert.nyuadim.com/wp-content/uploads/2021/10/Wheggo-long-track-2021-10-22-1-917x1024.jpg)
![](https://desert.nyuadim.com/wp-content/uploads/2021/10/Wheggo-tracks-down-slope-2021-10-22-1-768x1024.jpg)
![](https://desert.nyuadim.com/wp-content/uploads/2021/10/Wheggo-tracks-2021-10-22-1024x983.jpg)
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