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In aircraft, a centrifugal switch is used to control the starting and ignition circuits, the governed speed indication circuit and the overspeed protection circuit of the auxiliary power unit. This switch is mounted inside a rotating body. This can be set to activate or deactivate a circuit as the rpm of device increases or decreases ...
A start capacitor stays in the circuit long enough to rapidly bring the motor up to a predetermined speed, which is usually about 75% of the full speed, and is then taken out of the circuit, often by a centrifugal switch that releases at that speed. Afterward the motor works more efficiently with a run capacitor which makes the power factor ...
The contact breaker is operated by an engine-driven cam.On an engine with a distributor, the contact breaker can be found beneath the distributor cap.The position of the contact breaker is set so that it opens (and hence generates a spark) at exactly the optimum moment to ignite the fuel/air mixture.
A mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit. There are several different basic designs (tilt, displacement, radial, etc.) but they all share the common design strength of non-eroding switch contacts.
Micro switch – Mechanically activated switch with snap action; Limit switch – Mechanically activated switch to sense limit of motion; Mercury switch – Switch sensing tilt; Centrifugal switch – Switch sensing centrifugal force due to rate of rotation; Relay or contactor – Electro-mechanically operated switch (see also solid state relay ...
Before President Donald Trump started mass layoffs of federal workers, he demonized them, arguing, despite evidence to the contrary, that most of them never went into the office.
At the normal angle of attack, the stator caused the converter to produce a moderate amount of multiplication but with a higher level of efficiency. If the driver abruptly opened the throttle, a valve would switch the stator pitch to a different angle of attack, increasing torque multiplication at the expense of efficiency.
Social Security has two other funding sources: benefit taxes on some seniors and interest income earned on money in the program's trust funds. But both of those are in danger right now. The ...
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