These types of gearboxes include major central gear termed as Sunlight, lesser gears rotating all-around it known as as planets & this total arrangement rotates inside of a cylinder/ring named as ring equipment OR annular gear. Power could be offered to any with the gear & diverse degree of speed https://automobilegearbox39627.wizzardsblog.com/34090043/the-greatest-guide-to-automobile-gearbox