Originally Posted by
Gary cw
6 - however Rolls were particularly pleased with their epicyclic control gear. Which they patented. You have probably never heard of it. The more common name is planetary gearing. In virtually every gearbox and engine in the world.
My old Humber Sceptre had epicyclic gearing in its J-Type Laycock de Normanville overdrive. That was a 1974-vintage car but I can't think of anything that uses it now.