VEX's guide to Building V5 Robot Lift Systems: https://kb.vex.com/hc/en-us/articles/360037388692-Robot-Lift-Systems-Mechanisms-for-VEX-V5
VEX's guide to Building V5 Robot Arm Systems: https://kb.vex.com/hc/en-us/articles/360037389012-Building-V5-Robot-Arms