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Prior to 1945 there was no demand for multi-system locomotives in Europe. From the 1950s onwards, the emerging formation of the European Union, and the consequent increase in the amount of cross border traffic, along with the addition of a 25 kV 50 Hz AC system in France in addition to the older 1.5 kV DC system, gave rise to the need for multi-voltage locomotives. [2]
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.
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In modern times, this kind of rotary leverage is widely used; see a (rotary) 2nd-class lever; see gears, pulleys or friction drive, used in a mechanical power transmission scheme. It is common for mechanical advantage to be manipulated in a 'collapsed' form, via the use of more than one gear (a gearset).
Horizon Fitness: A Cottage Grove, Wisconsin-based [6] company that manufactures treadmills, stationary bicycles, elliptical trainers for domestic use. Advanced Fitness Groups (AFG) : Also a Cottage Grove, Wisconsin-based subsidiary [ 7 ] that acts as a semi-exclusive name brand for Sears (in the United States) and Canadian Tire (in Canada) [ 8 ]
The Konix Multisystem began life in 1988 as an advanced Konix peripheral design intended to build on the success of the company's range of joysticks. The design, codenamed Slipstream, resembled a dashboard-style games controller, and could be configured with a steering wheel, a flight yoke, and motorbike handles. [ 1 ]