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2. Line shaft - Wikipedia

   en.wikipedia.org/wiki/Line_shaft

   One pulley on the shaft would receive the power from a parent line shaft elsewhere in the building. The other pulleys would supply power to pulleys on each individual machine or to subsequent line shafts. In manufacturing where there were a large number of machines performing the same tasks, the design of the system was fairly regular and repeated.

3. Underdrive pulleys - Wikipedia

   en.wikipedia.org/wiki/Underdrive_pulleys

   Underdrive pulleys. Underdrive is the slowing of the rate of rotation in a system, achieved by either making the crank or main (drive) pulley smaller or making the accessory (driven) pulley larger than the original diameter pulleys. Underdrive pulleys increase engine output by reducing the draw of the engine's accessories by slowing them down ...

4. Belt (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Belt_(mechanical)

   Belt tensions should also be adjusted to belt type, size, speed, and pulley diameters. Belt tension is determined by measuring the force to deflect the belt a given distance per inch (or mm) of pulley.

5. Revolutions per minute - Wikipedia

   en.wikipedia.org/wiki/Revolutions_per_minute

   Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or r⋅min−1) is a unit of rotational speed (or rotational frequency) for rotating machines. One revolution per minute is equivalent to ⁠ 1 60 ⁠ hertz.

6. Differential pulley - Wikipedia

   en.wikipedia.org/wiki/Differential_pulley

   At the other extreme, when r is zero, the system becomes a simple gun tackle with a mechanical advantage of 2. Comparison of a differential pulley (left) and a differential windlass or Chinese windlass (right). The rope of the windlass is depicted as spirals for clarity, but is more likely helices with axes perpendicular to the image.

7. Electromagnetic clutch - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_clutch

   Electromagnetic clutch. Electromagnetic clutches operate electrically but transmit torque mechanically. This is why they used to be referred to as electro-mechanical clutches. Over the years, EM became known as electromagnetic versus electro-mechanical, referring more about their actuation method versus physical operation.

8. Permanent magnet synchronous generator - Wikipedia

   en.wikipedia.org/wiki/Permanent_magnet...

   The power in the prime mover is a function of RPM and torque: , where is mechanical power in Watts, is the torque with units of , and RPM is the rotations per minute which is multiplied by a factor of to give units of . By increasing the torque on the prime mover, a larger electrical power output can be generated.

9. Mechanical advantage device - Wikipedia

   en.wikipedia.org/wiki/Mechanical_advantage_device

   Examples of rope and pulley systems illustrating mechanical advantage. Consider lifting a weight with rope and pulleys. A rope looped through a pulley attached to a fixed spot, e.g. a barn roof rafter, and attached to the weight is called a single pulley.