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  • Continuously variable transmission

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    A continuously variable transmission (CVT), also known as a shiftless transmission, single-speed transmission, stepless transmission, pulley transmission, or, in case of motorcycles, a 'twist-and-go', is an automatic transmission that can change seamlessly through a continuous range of effective gear ratios. This contrasts with other mechanical transmissions that offer a fixed number of gear ratios. The flexibility of a CVT with suitable control may allow the input shaft to maintain a constant angular velocity even as the output speed varies. A belt-driven design offers approximately 88% efficiency, which, while lower than that of a manual transmission, can be offset by lower production cost and by enabling the engine to run at its most efficient speed for a range of output speeds. When power is more important than economy, the ratio of the CVT can be changed to allow the engine to turn at the RPM at which it produces greatest power. This is typically higher than the RPM that achieves peak efficiency. In low-mass low-torque applications (such as motor scooters) a belt-driven CVT also offers ease of use and mechanical simplicity.

  • Yamaha Rhino

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    A Yamaha Rhino. The Yamaha Rhino is an off-road vehicle made by Yamaha Motor Company. The two-person four-wheel drive vehicles are in a unique class called "side by side", which is in-between the size of ATVs and mini SUVs. Rhinos are gaining popularity in racing with customizations similar to the full-size vehicles. Polaris and Arctic Cat have made vehicles in the same class. Production for the Rhino began in Yamaha's facility in Newnan Georgia in 2004 and ended with the 2013 model year. Many have regarded the Rhino as one of the industry's most versatile UTV machines. The Rhino's size is well suited to many different tasks ranging from recreation to work due to its medium-size chassis and cargo bed. The smaller nature of the design suit those who prefer to operate in tighter riding environments like wooded areas, while the cargo bed is still big enough to carry equipment or supplies. Prior to the Rhino's debut, the UTV market was dominated by slow, heavy, oversized machines designed strictly for work use. The Rhino's faster top speed, powerful engine, nimble independent suspension, and overall smaller size proved popular.

  • All-terrain vehicle

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    The ATV is commonly called a four-wheeler in Australia, New Zealand, South Africa, parts of Canada, India and the United States. They are used extensively in agriculture, because of their speed and light footprint. A KTM Quad 990 ATV An all-terrain vehicle (ATV), also known as a quad, quad bike, three-wheeler, four-wheeler or quadricycle as defined by the American National Standards Institute (ANSI) is a vehicle that travels on low-pressure tires, with a seat that is straddled by the operator, along with handlebars for steering control. As the name implies, it is designed to handle a wider variety of terrain than most other vehicles. Although it is a street-legal vehicle in some countries, it is not street-legal within most states and provinces of Australia, the United States or Canada. By the current ANSI definition, ATVs are intended for use by a single operator, although some companies have developed ATVs intended for use by the operator and one passenger. The passenger is not required to have a helmet. These ATVs are referred to as tandem ATVs. The rider sits on and operates these vehicles like a motorcycle, but the extra wheels give more stability at slower speeds.

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