This popular thread, Catalogue of Drive Gearings, has options for 4" wheels and 200rpm carts. Your 350rpm should work, but will require 6 motors. If teams only have 4 motors for drivetrain, use a slower gearing.
This popular thread, Catalogue of Drive Gearings, has options for 4" wheels and 200rpm carts. Your 350rpm should work, but will require 6 motors. If teams only have 4 motors for drivetrain, use a slower gearing.