The one sliding Puppy clutch is positioned in between the clutch gear and the 2nd equipment, and the other is put between the primary equipment and reverse equipment. All gears are absolutely free about the splined main shaft. Automatic gearboxes appeared commercially inside the 1940s, based on the Global Journal https://trevoroppmj.blognody.com/35253914/a-secret-weapon-for-automobile-gearbox