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A cast-iron ceiling fan made by Hunter, dating from the early 1980s. This model is called the "Original". The Hunter 'Original' (manufactured by the Hunter Fan Co.) is by far the most recognizable example of a cast-iron ceiling fan today. It has enjoyed the longest production run of any fan in history, dating from 1906 to the present day.
A brushless DC electric motor (BLDC), also known as an electronically commutated motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields that effectively rotate in space and which the permanent magnet rotor follows.
The Hillman Hunter was rebranded as the Chrysler Hunter for the UK market in September 1976, receiving at the same time a four headlight frontal treatment similar to that of the Hunter GLS model and the Humber Sceptre. [17] In order to try to prolong the model life an improved level of equipment included a central console and a voltmeter. [17]
As the motor accelerates, the slip frequency decreases and induced current flows at greater depths in the winding. By tapering the profile of the rotor bars to vary their resistance at different depths, or by constructing a double squirrel cage, with a combination of high and low impedance rotor in parallel the motor can be arranged to produce ...
An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor that produces torque is obtained by electromagnetic induction from the magnetic field of the stator winding. [1] An induction motor therefore needs no electrical connections to the rotor.
Electromagnetically induced acoustic noise (and vibration), electromagnetically excited acoustic noise, or more commonly known as coil whine, is audible sound directly produced by materials vibrating under the excitation of electromagnetic forces.
The floor pan of this model was later to form the basis for the Sunbeam Alpine, Sunbeam also being part of the Rootes empire. A complete departure in 1963 was the Hillman Imp using a Coventry Climax derived all alloy, 875 cc rear engine and built in a brand new factory in Linwood, Scotland. The location was chosen under government influence to ...
The penalty to be paid for the virtual elimination of hunting is a straight track, with an attendant right-of-way problem and incompatibility with legacy infrastructure. Hunting is a dynamic problem which can be solved, in principle at least, by active feedback control, which may be adapted to the quality of track.