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The three-point hitch (British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. [ 1 ] [ 2 ] The three points resemble either a triangle, or the letter A.
These early machines used crudely designed field pole pieces with long magnetic circuits, wide pole gaps and narrow pole pieces that gave only a limited flux through the armature. These fields were usually horseshoe-shaped, with either permanent horseshoe magnets or else either one or two field coils at some distance from the poles.
When a stator pole is energized, the rotor torque is in the direction that reduces reluctance. Thus, the nearest rotor pole is pulled from the unaligned position into alignment with the stator field (a position of less reluctance). (This is the same effect used by a solenoid, or when picking up ferromagnetic metal with a magnet.) To sustain ...
The four-point starter eliminates the drawback of the three-point starter. In addition to the same three points that were in use with the three-point starter, the other side of the line, L1, is the fourth point brought to the starter when the arm is moved from the "Off" position. The coil of the holding magnet is connected across the line.
The Toro Company was established as the "Toro Motor Company" in 1914 to build tractor engines for The Bull Tractor Company. [4] It built steam engines to support war efforts during World War I, and changed its name to Toro Manufacturing Company in 1920 when it began to refocus on manufacturing farm equipment. [5]
Tuna provides protein and omega-3 fatty acids, while the addition of Greek-style yogurt in the dressing helps amp up the protein. These wraps are packed with chopped apple, onion and celery to ...
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