Some details:
3.5" Colson wheels, 1/8" drop
Ratio Low gear: 11.03
Ratio High gear: 5.1
Speeds around 7.5 ft/sec in low and 14.3 ft/sec in high.
Designed side bumper mounts to be 3D printed with provisions to add McMaster latches. Can fall back to vertical 2x1 aluminum if we have strength issues.
https://workbench.grabcad.com/workbe...9BfERSw3el_QBL