You’ll know from driving that in prime gear your engine only has to do say 3000rpm for 100km/h – whereas 3000rpm in initial equipment would see You merely at about 25km/h. Some drill presses and milling equipment include a simple belt-drive CVT system to manage the pace in the chuck, https://josuexzxvt.popup-blog.com/31899941/little-known-facts-about-gearbox-cvt