Update

Been a bit quiet on this front lately. Room decorating and moving out of uni accommodation has taken up much of my time, but my room's finished and I'm back up to Glasgow tomorrow to get the last of my things. So tonight, I got back round to doing a bit of work. Nothing majorly important, just doing a bit of cardboard-aided-design:



Pretty similar to the cad layout posted a few pages ago so that's a good start. Can't help but admire the wheels
I couldn't cad the outer armour originally so I posted a pic that had been crudely edited in Paint; thankfully I'm a bit more skillful with cardboard so you can sort of see how it will shape around the robot. Looks a bit shoddy here, but hey it's just to check sizes:



You may notice that there are Nimh packs in there compared with A123s in the original cad; I've decided to leave better batteries to a later upgrade when I've got more pennies. I have the Nimh packs to spare (as Carcinus won't be running at the champs), they fit nicely into the back of the robot and I have the chargers for them so they'll do for one event. I'm going to have to monitor them carefully between fights because the brushless does draw a lot more out of them than the Speed 900s did so they'll need charging a lot, but when they're well cycled the robot can run with the brushless quite well, as I discovered in a couple of whiteboard fights at the tag champs. The drum in this robot will be lighter too than the original Drumroll so theoretically it will be less of a strain on the motor.

The rear wedge is currently hinged at the top, but this means when the robot is upside down the wedge is pretty ineffective so, thanks to some constructive comments, I'm going to hinge it in the middle so it works well both ways round. Also now looking at wiring in a changeover relay to the brushless and alter the tooth design so that the motor can be reversed upside down and the teeth can still get some decent hits in.

Will be a little while before I can get the materials and get started so I can hit the cad again and make the necessary alterations. Looking forward to getting it built though