pic: High Traction Drivetrain Concept

[cbale2000]

Originally Posted by carpedav000

It seems like this issue could be easily remedied by mounting your drive motors/gearboxes (and battery if you have room) to the front of the robot to make it less resistant to shifting onto the back wheels. You could also build a suspension system into the wheels so that when the frame tilts, all the wheels stay on the ground (some might say that this would be too heavy, but you can make suspension systems fairly light ).

The weight solution is a good one for pushing matches, but it affects turning in most drives and only works in one direction (often I've found you need to be able to push from either side).
The suspension is also a good solution but far more complex to build.