Middleweight are my favourite class. The robots weigh between 250 - 399.9 Kg. Effective middleweights are a challenged to make. You have more weight to work with, but you can't just pack stuff together like with heavyweights. The majority of tournaments are in the middleweight class, since it takes skill to build good middleweights, and they aren't too straining on internet connections. Click on any of the pictures to bring up more details.