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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 ...
Engines with hydraulic tappets (such as the Buick/Rover V8) often have in effect a rev limiter by virtue of their design. The tappet clearances are maintained by the flow of the engine's lubricating oil. At high engine speeds, the oil pressure rises to such an extent that the tappets 'pump up', causing valve float.
A full authority digital engine (or electronics) control (FADEC) is a system consisting of a digital computer, called an "electronic engine controller" (EEC) or "engine control unit" (ECU), and its related accessories that control all aspects of aircraft engine performance.
The mechanical fly-weight governors of inline and distributor diesel fuel injection pumps used to control fuel delivery in diesel engines under a variety of engine loads and conditions could no longer deal with the ever-increasing demands for efficiency, emission control, power and fuel consumption. These demands are now primarily fulfilled by ...
Multiple studies have found electronic stability control systems tend to reduce fatal collisions, particularly single-vehicle and rollover crashes. Since 2012, the NHTSA has mandated that all new ...
A growing number of general aviation and commuter aircraft rely on Woodward AES overspeed governors, synchronizers and synchrophasers for turboshaft, turboprop, and reciprocating engines. As of September 2016 [update] , approximately 34% of the company's sales were to the defense market, including parts for the V-22 Osprey ($645,000 revenue per ...
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Semi Bird fined for violating WA rules in governor race. More complaints possible. Eric Rosane. October 6, 2024 at 8:00 AM.