Regular gearboxes ordinarily have two sets of gears: enter and output. the enter & the output. The enter gears are fastened to the countershaft, earning them one units. It drives the individual gears on the main shaft, which rotate freely within the bearings. Spur and helical gears are used https://gearbox96418.blog-kids.com/34002219/gearbox-no-further-a-mystery