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The first Ultramatic Drive was a hydraulic torque converter automatic transmission with a two-speed plus reverse epicyclic geartrain, with torque converter lockup, called "Direct Drive" by Packard. The unit was fully hydraulically controlled with a "valve body," like most early automatic transmissions before the advent of electronic control.
Automatic Drive was the trade name for Studebaker Corporation's first automatic transmission, designed in conjunction with Borg-Warner's Detroit Gear division. Studebaker was one of two independent American auto manufacturers to invest in development and tooling for automatic transmissions, the other being Packard with its Ultramatic product.
This type of transmission is called a clutchless manual or an automated manual. Most semi-automatic transmissions in older passenger cars retain the normal H-pattern shifter of a manual transmission; similarly, semi-automatic transmissions on older motorcycles retain the conventional foot-shift lever, as on a motorcycle with a fully manual ...
Basically there are two types of motor vehicle transmissions: Manual – the driver has to perform each gear change using a manually operated clutch; Automatic – once placed in drive (or any other 'automatic' selector position), it automatically selects the gear ratio dependent on engine speed and load
A drivetrain (also frequently spelled as drive train or sometimes drive-train) or transmission system, is the group of components that deliver mechanical power from the prime mover to the driven components. In automotive engineering, the drivetrain is the components of a motor vehicle that deliver power to the drive wheels. [1]
Mountains are scattered across the county, with the Pinandŏk mountains rising in the east. The tallest of these is Paegundŏksan (백운덕산, 868 m), but the county's highest point is in the north, at Samgaksan (삼각산, 936 m). The county is drained by the Taeryŏng River and its tributaries, which include the Ch'ŏnbang and Ch'angsŏng ...
U.S. President-elect Donald Trump said "anything can happen" when asked about the chances of going to war with Iran during his next term in an interview with Time, coinciding with his being named ...
The most common design of automatic transmissions is the hydraulic automatic, which typically uses planetary gearsets that are operated using hydraulics. [ 11 ] [ 12 ] The transmission is connected to the engine via a torque converter (or a fluid coupling prior to the 1960s), instead of the friction clutch used by most manual transmissions and ...