The initial automatic transmission to employ a torque converter (in lieu of a fluid coupling) was the Buick Dynaflow, which was introduced with the 1948 product yr. In regular driving, the Dynaflow employed just the major gear, counting on the torque multiplication from the torque convertor at l

Without a transmission, automobiles might be restricted to one particular gear ratio, and that ratio must be chosen to enable the motor vehicle to travel at the desired leading velocity. Should you wanted a major pace of 80 mph, then the gear ratio will be much like 3rd gear in most manual transmiss

Semi-automatic transmissions bridge the hole amongst totally guide and fully automatic programs, featuring motorists the very best of each worlds. From Stonehenge's origins to ice age little one genetics — how perfectly did you observe this 12 months's top rated archaeology tales?