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We answered questions, displayed Tornado, and pulled a car with no problems - the kids all had to have a go too! We managed to find an area of the playground where the kids could be got up out of the way of us running the robot around, and found a couple of cones to push about and drive around. We even managed a burnout on the tarmac... But during this short driveabout we lost a drive chain, so it had to be cut a little short... While the kids were doing the assault course with their robots, we built up a very basic robot (to approximately Rex's Robot Challenge standards) which Bryan aptly named Mad Panic! It used a standard 27MHz system from one of my RC cars, with a pair of servos operating some microswitches to drive a pair of geared motors. We entered it into the assault course, and it went about a foot before breaking down!
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