My steering was acting a little wiggy in these movies. That is the reason for the rather wide turns. I am working on a better steering setup. I think the stock arrangement is cheesy.
The motor I am using in these videos is a 15 turn Reedy Sonic2. Even though I had it over geared pretty badly (18 tooth pinion), it still stayed fairly cool and had excellent power. I love the big comm motors !

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1.6 Mb