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Concept
Off-road vehicle
Summary
An off-road vehicle (ORV), sometimes referred to as an off-highway vehicle (OHV), overland vehicle, or adventure vehicle, is considered to be any type of vehicle which is capable of driving off paved or gravel surfaces, such as trails and forest roads that have rough and low traction surfaces.
These vehicles are generally characterized by having large tyres with deep, open treads, a flexible suspension, or even caterpillar tracks.
Because of their versatility, several types of motorsports involve racing off-road vehicles. A common use of these vehicles is for sight-seeing in areas that are unpaved and in the wilderness.
One of the first modified off-road vehicles was the Kégresse track, a conversion undertaken first by Adolphe Kégresse, who designed the original while working for Czar Nicholas II of Russia between 1906 and 1916. The system uses a caterpillar track with a flexible belt rather than interlocking metal segments. It can be fitted to a conventional car or truck to turn it into a half-track suitable for use over rough or soft ground.
After the Russian Revolution of 1917, Kégresse returned to his native France where the system was used on Citroën cars between 1921 and 1937 for off-road and military vehicles. The Citroën company sponsored several overland expeditions with their vehicles crossing North Africa and Central Asia.
A huge wheeled vehicle designed from 1937 to 1939 under the direction of Thomas Poulter called Antarctic Snow Cruiser was intended to facilitate transport in the Antarctica. While having several innovative features, it generally failed to operate as hoped under the difficult conditions, and was eventually abandoned in Antarctica.
After World War II, a huge surplus of light off-road vehicles like the Jeep and heavier lorries were available on the automobile market. The Jeeps in particular were popular with buyers who used them as utility vehicles. This was also the start of off-roading as a hobby.
Official source
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