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Free video about quadricycle. This free video was created for you by http://epsos.de and can be used for free under the creative commons license with the attribution of epSos.de as the original author of this quadricycle video. Thank you for supporting the creative commons movement !! It is called Tandem a particular type of bicycle equipped with more than one seat and a pair of pedals, and can be moved by pedaling more than one person. Originally were built by welding two bicycle frames together. At present the components have been improved and built high-end tandems, both road and mountain. As a tandem has to bear more weight, usually take more robust components. The word is also used tandem to indicate elements of the same type that are positioned in series, ie one after another, and serve the same function in a mechanism. Thus, the term has been applied to the tandem bicycle, as well as the use of two consecutive wheels on trucks, trailers and locomotives to provide improved traction and support the load. In a tandem has double the pedaling power with a slight increase in friction losses in the transmission, and has just over a simple drag bike. High performance tandems can weigh less than two bicycles, so that the power to weight ratio can be even better than that of a single cycle. Two cyclists on a tandem well combined can move faster and farther than one. In flat and downhill areas, tandems are clearly faster. In the ups should not have to be slower, despite widespread belief, although the coordination of pedaling cadence can make the performance is decreased. Although tandems are associated with two cyclists, may be for any number, the world record is 40 for a tandem bicycle that was built in 1984 in Queanbeyan, New South Wales, Australia. The most common is that tandems are for two adults, but there are tandems designed to carry any combination of adults and children. In a tandem going forward governs the management, brakes and gearshift, while one or more other bikers just pedal. It is noteworthy that to successfully drive a tandem effective coordination between the crew must be achieved. The quadricycle, often called quad is a four-wheeled vehicle. The first experimental steam cars were called quads to steam, and some of the first cars internal combustion motor quads were called. The terms automobile and cars became universal, supplanting the use. There are different models depending on the number of places, the most common are two-and four-seater, but there are also cars. This vehicle has a higher pedal stability because others are founded on two axles and four wheels. The position of handle, usually the driver sits and extends the feet to the pedals, while the bicycle driver is mounted on the frame and the pedals, and the trike position is semiacostado to reach the pedal. These vehicles are treading pedals moved earlier by simple pendulum pedals, since the 1960s with the introduction of Kettcars the company Kettler like a bicycle. A pedal car is a toy vehicle and is not used for long distances. Originally pedal cars were intended for adults, but since the 50s they are more for children. With a trailer small loads can be transported; the trailer is a trailer hitch attached to the go-kart. Some pedal cars are made ​​under license from the major automotive brands. The original go-kart was a German product with the brand name Kettcar. The word is derived from the name of Heinz Kettler, the manufacturer. In touristy areas are pedal cars are rented to tourists. The rosalie or cuistax ( Belgium ), is a small vehicle terrestrial velocipede, usually quadricycle or, more rarely, tricycle can accommodate more passengers, each of which has pedals for propulsion. The rosalies have been used since 1853 and have been the source of several types of vehicles for different needs, including tourist rentals, pedal taxis, private tours, uses mountains and industrial sites. To use fun, it is offered for rent for the walk in places tourism such as amusement parks and resorts. A beer bike is a bike on which a counter is mounted. The beer bike is suitable for 10 to 20 people, who while they sit at the bar for the drive take care. The beer bike is often used by tourists and bachelorette parties. The bicycle counter works on the basic principle of the bicycle. The passengers sit facing each other at a table and pedal, which drive the vehicle. Thank you for supporting the creative commons movement !!