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All is not lost
Like I said in the last post; all is not lost. After I posted, I went to your website and looked at your Inventor picture of the transmission. You ARE making the same assumptions as we did. Your gear ratio from the drill motor is way too low and it will backdrive or stay at stall and trip breakers. My biggest suggestion to you is when you are driving at slow speed, turn off the drill motor and have a way to keep the ring gear from spinning. If you spin both motors in opposite directions, make sure the drill motor can't overrun because you will actually start driving backwards. Your config as shown will provide a VERY fast high speed, but you need to handle the stall torque of the drill motor at slow speed.
You can e-mail me and I will give you my phone number if oyu would like to discuss it.
-Paul
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