In such a gearbox, all of the gears of the key shaft are in constant mesh Using the corresponding gears of the countershaft (layshaft). As being the figure demonstrates, two sliding Pet dog clutches are presented on the key shaft. Automated gearboxes appeared commercially within the nineteen forties, based on the https://trevorxghgd.blogolenta.com/31099553/everything-about-automobile-gearbox