That is the main issue
I mean, itās as simple as two gears and a motor mount.
A small motor can directly drive the gold colored gear. The silver one is integrated into the pivoting truck.
Like in the above photo, the red portion would have the silver gear integrated into it.
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Seems this project has piqued your interest David. Always like to see you involved in something.
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Thatās it- exactly what Iāve been picturing!
This with a small microcontroller hooked up to a UART port on the slave (save one on the master, just get speed) that goes from 50 degrees under 5mph down to 20 degrees at 35+, rear only. A stepper motor with spur gear on its shaft reduced 3:1 to the worm gear for even more torque and compensate for the height of the stepper in the design to activate everything. Silent stepper driver of course.
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Iām always interested, you know this by now 
Iāve admittedly been fairly inactive lately, lots on my plate. Maybe Iāll make a cad mockup. Yall are on your own regarding electronics though lol
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Me too!
I was even imagining @Boardnamics somehow attempting to bring it to market!
Lol maybe I will. I do have adjustable baseplates. 
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I could probably figure out the electronics, I would just need to figure out how the UART port works, and how to get the information from it
Iām a little confused as to how the silver gear connects to the trucks?
When you decrease the truck angle you have more leverage. (I.e. you need harder bushings) How will you compensate for that?
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Basically just find a happy middle. When youāre going slow with a greater angle, you donāt want too hard of a bushing
Thatās what I mean. 50 degree rear baseplate with soft bushings would be even softer at 40 degrees, negating any benefits imo
I think trucks that use tall bushings and donāt have (much) slop would be stable and still carvy enough
Yeah I think we would just need to find a bushing that has the benefits of both
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