Off-road vehicle facts for kids
An off-road vehicle is generally any type of vehicle which can be used for driving on and off paved or gravel surface. Off-road vehicles generally have large tires with deep, open treads and a flexible suspension. Off-road vehicles should not be confused with off-highway vehicles. These are not designed to be used on highways and are capable of traveling cross-country over rough land, marsh, swamps, ice or snow.
Many uses
Off-road vehicles have a large following because of their many uses and versatility. Several types of motorsports involve racing off-road vehicles. The three largest "4-wheel vehicle" off-road types of competitions are mud racing, desert racing, and rockcrawling. The most common use of these vehicles is for sight seeing in areas distant from paved roads. The use of higher clearance and higher traction vehicles allows access on trails and forest roads that have rough and low traction surfaces.
Rockcrawling
Rockcrawling is an extreme form of off road driving. Drivers use vehicles anywhere from stock to highly modified to overcome obstacles (usually rocks). In rock crawling, drivers drive highly modified four-wheel drive vehicles such as trucks, Jeeps, and "buggies" over very harsh terrain. Driving locations include boulders, mountain foothills, rock piles, mountain trails, etc. Rock crawling is about slow-speed, careful driving. Rock crawlers often drive up, down and across obstacles that would appear impassable. Such vehicles to rock climb are primarily 4x4s.
Rock crawling competitions range from local events to national series. A rock crawling competition consists of obstacle courses that are about 100-200 yards long. Each obstacle is set up with gates, similar to a ski course.
Tread Lightly!
In the United States and elsewhere off-road vehicles should be ridden only on roads, trails and areas open to off-road travel. At the request of the United States Forest Service, Tread Lightly! created the "RIDE ON" program reminding off-roaders to “RIDE ON Designated Routes”. This was to prevent unregulated motor vehicle travel on public lands. Most US states and other Federal government agencies have similar laws and regulations to safeguard the environment. Tread Lightly!s message of traveling only on existing roads or trails is also designed to prevent social conflicts such as having entire areas closed to off-road travel.
Images for kids
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Mercedes-Benz Unimog in the Dunes of Erg Chebbi in Morocco. Note the high ground clearance due to portal gear axles.
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Nicholas II's Packard Twin-6 with Kégresse track
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Swedish Hägglunds Bv206 with wide rubber tracks
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Russian GAZ-34039 (ru)
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The ATV is commonly called a four-wheeler in Australia, New Zealand, South Africa, the United Kingdom and parts of Canada, India and the United States. They are used extensively in agriculture, because of their speed and light footprint.
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Negative environmental effects caused by motorcycles to a portion of the Los Padres National Forest
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Negative environmental effects that occurred when off-road vehicle drivers left the posted trail in Anza-Borrego Desert State Park
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Jeep CJ in action
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Heavily modified Chevrolet Blazer typical of the United States hobbyist off-roading scene
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Jeep Rubicon rock crawling
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Sandrail at Silver Lake Sand Dunes
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A 4WD Bus in Fraser Island, Australia
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Unimog at IDEF'07 Arms Fair
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UMM Alter
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Volvo L3314N
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Mahindra and Mahindra Classic used by the Indian Army
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Soldiers from the 101st Airborne Division test prototype off-road vehicles
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Experimental marsh buggy, 1928, stuck in mud
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Off-road bus in Iceland
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See also
In Spanish: Vehículo todoterreno para niños
