After the not so successful run last year, I started planning for another run. The biggest issue was my choice of tracks, which offered close to no traction. The other problem was the weight of the drive system - being nearly 2kg, there was very little left for other components.

On a whim, I decided to participate in the Sumo categories in SRG 2019. This post aims to document and explain the design decisions for my robot, which had to fit within 20cm x 20cm and weigh less than 3kg. Most parts were bought from Taobao. You can find the