This is the second iteration of the design. As I described in the previous post, I added a PVC pipe around the steering column. The bottom of the pipe is screwed into the front of the cart. The motor mount is screwed into the PVC pipe and stabilized with two hose clamps.
After about a week of engineering, the steering mechanism finally works! Now we can steer the vehicle electronically. A giant step for this project!
(I apologize for the bad video quality)
Neil Nie 
What is the model of the motor you used in steering control
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Hello Edelbert, I use the AndyMark Gear 60 Motor. There are so many better ways to do this. If you are interested, check out this project. https://web.wpi.edu/Pubs/E-project/Available/E-project-042717-112204/unrestricted/MQP_Goat_Cart_Report_2017.pdf Thank you!
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What was your gear ratio from the motor shaft to the steering column?
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Hello,
I use the AndyMark Gear 60 Motor. Gear ratio 4:1. Stall torque is 593 OZ-IN.
I have been working on a new design, which should be much much better than the old design: https://neilnie.com/2018/12/15/electronically-control-golf-cart-steering-using-a-linear-actuator-part-1/?preview_id=945&preview_nonce=a41ec92305&preview=true&_thumbnail_id=947
Best,
Neil
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