Not another weight class. Deary me.
Na well - if a couple of you build them, then you can team up and form a Feather Weight cluster bot and fight the feather weights also. hehe.
One thing that jumped out at me -
Now I cannot decide what weight limit we should use over here - not for you to decide Ian.

Good luck, never know, i may build one in the summer if these kick off.

Mr Stu