 That made the gearboxes bigger, heavier and even more expensive.Up to 10 main components (gear sets, Ravigneaux considered as 2, brakes, clutches) showed, that this marked the end of conventional design.The successing 6HP-family, using the all new Lepelletier gear mechanism design, needing only 8 main components to achieve 6 gear ratios, showed the upcoming new paradigm.