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A governor, or speed limiter or controller, is a device used to measure and regulate the speed of a machine, such as an engine.. A classic example is the centrifugal governor, also known as the Watt or fly-ball governor on a reciprocating steam engine, which uses the effect of inertial force on rotating weights driven by the machine output shaft to regulate its speed by altering the input flow ...
The Super Turbine 300 (abbreviated ST-300) [1] [2] was a two-speed automatic transmission built by General Motors. It was used in various Buick, Oldsmobile, and Pontiac models from 1964-1969. It was the same transmission marketed under different brand names by each division including ST-300 by Buick, Jetaway by Olds and simply Automatic by Pontiac.
The transmission control unit (TCU) in older automobiles with a clutchless manual transmission (without a clutch pedal) typically consists of an electrical switch connected to the gearshift, that is activated whenever the internal transmission control unit senses driver touching the gearshift to switch gears, which then primes a sensor or ...
The devices shown are on steam engines. Power is supplied to the governor from the engine's output shaft by a belt or chain connected to the lower belt wheel. The governor is connected to a throttle valve that regulates the flow of working fluid (steam) supplying the prime mover. As the speed of the prime mover increases, the central spindle of ...
The 2010-2014 Legacy and Outback models offer a six-speed manual as one of the two transmission options in the base 2.5i and 2.5i Premium and is the only option for the Legacy GT model. This transmission is an evolution of the 5MT split-case design, and does not share any parts with the STI's 6MT transmission.
The RL4R01A is a hydraulic controlled unit for its main operation. Shift timing is based on throttle cable position and governor pressure. Its only electronic parts are two solenoids, one for the torque converter clutch, and the other for the manual overdrive cancel switch, but these do not affect the gears control and passing.
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The A500, later renamed 40RH and 42RH (hydraulically controlled governor pressure) and 40RE, 42RE, 44RE (electronically controlled governor pressure, 1993-up), was an A904 derivative used in trucks and vans. Introduced in the 1988 model year on a limited basis, it was the first light-duty Chrysler four-speed automatic and was placed behind the ...