In this type of gearbox, all the gears of the leading shaft are in regular mesh With all the corresponding gears of the countershaft (layshaft). Since the figure demonstrates, two sliding Pet dog clutches are furnished on the principle shaft. Automated gearboxes appeared commercially during the nineteen forties, based on the https://automobile-gearbox30627.blogdiloz.com/33139065/the-automobile-gearbox-diaries