Reply to "Electrical question on the Menard 3.5 Beta and the fast start- could wiring the motors in series fix this?"

Putting the motors in series is a big improvement.  Slow speed start and running is much better plus no worry at the top end that a grandchild is going to send it into space.

Here is the after and before, I used wago nuts on the blue and white wires to the motors.

After:

Here are the videos.  the first is the slow speed start up and the second is 80% throttle.