I think you should get a better ratio for your transmission, it take you so much time to accelerate your 2e gears is almost useless, you should try to use a small to mid gear for the first and go to mid to small after that, with the planetary gear ans the big to small always used the ratio get a bit unbalanced... Not too bad, also not sure if you know that but the gear shift can be used both side to transmit power, the side that contract transmit to the side that doesnt contract