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Two-wheel drive

Two-wheel-drive (2WD) denotes vehicles with a drivetrain that allows two wheels to be driven, and receive power and torque from the engine, simultaneously.[1]

Four-wheeled vehicles edit

For four-wheeled vehicles (and by extension, vehicles with six, eight, or more wheels), this term is used to describe vehicles that are able to power at most two wheels, referred to as either front, or rear-wheel-drive. The term 4x2 is also used, to denote four total wheels with two being driven. Most road vehicles use a 2WD layout due to its lightweight and simplicity. Traction on the road is usually sufficient that the driving force can be reliably transmitted through only two wheels.

For vehicles that have part-time four-wheel drive, the term refers to the mode when 4WD is deactivated and power is applied to only two wheels.

Two-wheeled vehicles edit

A two-wheel-drive bicycle with the front wheel propelled by the arms and the rear wheel by the legs (demonstrated by its Dutch inventor on Polygoon, 1942)

For two-wheeled vehicles such as motorcycles and bicycles, the term is used to describe vehicles that can power the front as well as the back wheel. The term 2x2 is also used to denote two total wheels with both being driven. 2x2 vehicles are typically either mechanically driven, via a chain, belt, or shaft, or are hydraulic-driven. This scheme greatly improves offroad performance, but is quite complicated and requires more power to operate, thus most 2WD machines are either "exotic" bikes for enthusiasts or created with special uses in mind.

Manufacturers who have one in production include Rokon, Jeep, Tarus and Christini. Manufacturers who are working or have worked on a prototype include ZID, Suzuki, Yamaha, KTM, Honda, and Nissan.

Two-wheel-drive with sidecars edit

For three-wheeled vehicles such as motorcycles with sidecars, the term is used to describe vehicles that can power the sidecar as well as the back wheel. Sidecar-drive vehicles are typically mechanically driven via a shaft and may or may not have a differential. This scheme greatly improves offroad performance, but is more complicated and requires more power to operate, thus most 2WD machines are vehicles created with special uses in mind such as trials or military use. The first use of the sidecar drive appears in 1928 with the apparent independent invention of Baughan in the UK, and Mokharov in the USSR.[citation needed]

See also edit

References edit

  1. ^ "kbb.com".

External links edit

  • KTM shows a new all-wheel-drive motorcycle under development
  • Christini All Wheel Drive Motorcycles

wheel, drive, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, december, 201. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Two wheel drive news newspapers books scholar JSTOR December 2010 Learn how and when to remove this template message Two wheel drive 2WD denotes vehicles with a drivetrain that allows two wheels to be driven and receive power and torque from the engine simultaneously 1 Contents 1 Four wheeled vehicles 2 Two wheeled vehicles 3 Two wheel drive with sidecars 4 See also 5 References 6 External linksFour wheeled vehicles editFor four wheeled vehicles and by extension vehicles with six eight or more wheels this term is used to describe vehicles that are able to power at most two wheels referred to as either front or rear wheel drive The term 4x2 is also used to denote four total wheels with two being driven Most road vehicles use a 2WD layout due to its lightweight and simplicity Traction on the road is usually sufficient that the driving force can be reliably transmitted through only two wheels For vehicles that have part time four wheel drive the term refers to the mode when 4WD is deactivated and power is applied to only two wheels Two wheeled vehicles edit source source source source A two wheel drive bicycle with the front wheel propelled by the arms and the rear wheel by the legs demonstrated by its Dutch inventor on Polygoon 1942 For two wheeled vehicles such as motorcycles and bicycles the term is used to describe vehicles that can power the front as well as the back wheel The term 2x2 is also used to denote two total wheels with both being driven 2x2 vehicles are typically either mechanically driven via a chain belt or shaft or are hydraulic driven This scheme greatly improves offroad performance but is quite complicated and requires more power to operate thus most 2WD machines are either exotic bikes for enthusiasts or created with special uses in mind Manufacturers who have one in production include Rokon Jeep Tarus and Christini Manufacturers who are working or have worked on a prototype include ZID Suzuki Yamaha KTM Honda and Nissan Two wheel drive with sidecars editFor three wheeled vehicles such as motorcycles with sidecars the term is used to describe vehicles that can power the sidecar as well as the back wheel Sidecar drive vehicles are typically mechanically driven via a shaft and may or may not have a differential This scheme greatly improves offroad performance but is more complicated and requires more power to operate thus most 2WD machines are vehicles created with special uses in mind such as trials or military use The first use of the sidecar drive appears in 1928 with the apparent independent invention of Baughan in the UK and Mokharov in the USSR citation needed See also editIndividual wheel drive Rear wheel drive All wheel drive Four wheel driveReferences edit kbb com External links editA brief history of 2x2 motorcycles KTM shows a new all wheel drive motorcycle under development Christini All Wheel Drive Motorcycles The Dryvtech 2x2x2 Experimental a 2x2 motorcycle with two wheel steering Retrieved from https en wikipedia org w index php title Two wheel drive amp oldid 1188329266, wikipedia, wiki, book, books, library,

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