Weta will be fitted with a reversible Turnigy 35A ESC so that if the bot is inverted its a simple matter of reversing the direction of the drum to keep on fighting.
I've seen too many drums rendered ineffective by being inverted.
The manual for the ESC and the programming card
The ESC is bigger than advertised and the wires add considerable excessive weight and bulk. I'll add pictures and details
of the actual size and weight and how I trimmed it down to fit