The motor does seem to be mounted further forward in the Tamiya compared to the B4. Is this an attempt to get the balance right for Lipo? If you think about the torque on the rear axle due to the mass infront and behind it. If you have less mass infront, ie changing from NiMH to LiPo, then you need to move the motor forward to compensate. I thought Associated might make a revised gearbox moving the motor forward to help a bit to stop the front wheels lifting and lessen the pendulum effect? A small but important difference.
Ben
ps, I hope they have designed it to take taller LiPos, doesn't look like it to my eyes
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