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A quadracycle (also spelled quadricycle) is a four-wheeled human-powered land vehicle. It is also referred to as a quadcycle , pedal car or four-wheeled bicycle amongst other terms. Quadracycles have been in use since 1853 and have grown into several families of vehicles for a variety of purposes, including tourist rentals, pedal taxis, private ...
Quadricycle, with an i, was a popular term for human or motorized four wheel bike-like vehicles around the turn of the 19th to 20th century The Quadricycle was an early form of automobile . Earliest models were propelled by a small steam engine , then designers switched to early internal combustion engines as they became available.
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The quadricycle classification was officially created in 1992, when the European Union published Directive 92/61/EEC which decreed that quadricycles fell into the same category as mopeds. In 2002, Framework Directive 2002/24/EC then refined this definition by distinguishing between light and heavy quadricycles (L6e and L7e categories). [3]
The Quadricycle was driven by a chain. The transmission had only two gears (first for up to 10 mph (16 km/h), 2nd for up to 20 mph (32 km/h)), but did not have a reverse gear. The machine was steered using a tiller , had wire wheels and a 3 US gal (11 L) fuel tank under the seat. [ 2 ]
An 1898 Royal Enfield quadricycle. Royal Enfield built and sold the first powered four-wheeler in 1893. It had many bicycle components, including handlebars. The Royal Enfield resembles a modern ATV-style quad bike but was designed as a form of horseless carriage for road use.
A training wheel. Training wheels, known as stabilizers outside North America, [1] [2] are a pair of additional wheels attached to the rear wheel of a bicycle, effectively turning it into a quadricycle, for beginners learn to ride independently. [3]