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Re: Stronghold Drivetrain Review
Modified AM14U3 with the gear boxes changed to 12.71:1. We modified the chassis to accept the AM 8 inch pneumatic wheels. The wheels were tapped to take 1/4-20 screws instead of the #10-32 screws it is designed for. We theorize that this will help prevent the shearing of the bolts that secure the drive pulleys to the wheels. We also used 1/8" wall 1x2 tubing to space the frame rails and a single piece of heat formed polycarbonate belly pan that wraps around the entire bottom of the frame to help prevent getting stuck on hard edges.
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