When meshed in the gearbox, Helical gears present much more tooth Speak to among each other, developing a consistent link. This is certainly in contrast to spur gears, which have significantly less constant Speak to. A mix of helical and bevel gears characterizes the bevel helical or right-angle gearbox. https://gearbox16920.onesmablog.com/gearbox-secrets-74404714