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The British Rail Class D2/5 built by Andrew Barclay Sons & Co. were reported in several sources as having received the TOPS class number 05, [1] [2] [3] though this was in error, and they are not listed as such in the latest works by Marsden, 2011.
By disengaging the clutch, the engine speed (RPM) is no longer determined by the speed of the driven wheels. Another example of clutch usage is in electric drills. [2] The clutch's input shaft is driven by a motor and the output shaft is connected to the drill bit (via several intermediate components). The clutch allows the drill bit to either ...
A pinwheel calculator is a class of mechanical calculator described as early as 1685, and popular in the 19th and 20th century, calculating via wheels whose number of teeth were adjustable. These wheels, also called pinwheels, could be set by using a side lever which could expose anywhere from 0 to 9 teeth, and therefore when coupled to a ...
Epicyclic gearing or planetary gearing is a gear system consisting of one or more outer, or planet, gears or pinions, revolving about a central sun gear or sun wheel. [ 4 ] [ 5 ] Typically, the planet gears are mounted on a movable arm or carrier , which itself may rotate relative to the sun gear.
Two bogies or wheel assemblies under the unit. Each bogie has three powered axles individually driven by traction motors. (2Co)(Co2) A locomotive with two bogies, each with two leading axles and three individually powered axles. A number of Japanese electric locomotives used this wheel arrangement, including the JNR Class EF58, and the PRR GG1. D
A rack and pinion has roughly the same purpose as a worm gear with a rack replacing the gear, in that both convert torque to linear force. However the rack and pinion generally provides higher linear speed — since a full turn of the pinion displaces the rack by an amount equal to the pinion's pitch circle whereas a full rotation of the worm screw only displaces the rack by one tooth width.