RobotWars101

i use foam to make my wheels... then use fantastic elastic for grip... use more foam than you need and sand it down to size... i put my wheels in a drill and use my powerfile to shape them... I'd suggest either a jig, or make many at once to keep them uniform... foam floor tiles (for kids to play on...

looks great... cant wait to see it in action...

the balance connector? has 3 wires going to it if its a 2s? usually the best way to replace any connector is to crimp them... otherwise have pre crimped ones and solder them in place of the original wires at the lipo... this obviously has many more risks, and unless you feel comfortable doing this, ...

there is a petition to bring battlebots to uk tv... the people over at battlebots have confirmed that 20,000 signatures would definitely get them in talks with uk broadcasting companies... so for anyone that hasn't already seen this doing the rounds, here it is... http://chng.it/QZPk5Jhwpq it will t...

what esc are you using? does it have built in mixing or are you using your own mix via the tx?
it could just be a simple case of swapping over the 2 signal wires from the esc to the receiver

I understand wanting to just use parts you already have for a build. the servo suggestion was just for a future upgrade option... best of luck with your build, i look forward to seeing what you come up with as what i am picturing from your description is probably a bit different to the actual finish...

i always go for a strong drive, because if your weapon is damaged or stops working, you still have good drive to fall back on... 4wd also adds redundancy... you can lose a wheel from each side and still move... 2wd, you lose 1 and your driving in circles... 4wd also feels much better to drive IMHO H...

4wd... although i may be a little biased
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i found that the first few builds seemed daunting... but you pick up tips and tricks which help as you build more... nowdays, with all parts to hand, i can scratch build a robot that could win a fight in just a couple of hours. although typically i would say each of my bots take a day or 2 from part...

if you switch the wheels around, they will sit a good few mm closer to the body each side... this may also help...

my cube is just some foam tile cut up and superglued together... its pretty accurate, simple and helps a lot with builds