Information about Hood (vehicle)
This article is about a part of a vehicle. For other uses, see hood.
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A flipfront provides easy access to the engine bay.
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Some hoods may need a power bulge to fit for instance engine and air filters.
The hood (North America) or bonnet (Commonwealth) is the hinged cover over the engine of motor vehicles that allows access to the engine compartment for maintenance and repair. In British terminology, hood refers to a fabric cover over the passenger compartment of the car (known as the 'top' in the US).
On passenger cars, a hood may be held down by a concealed latch. On race cars, or cars with aftermarket hoods (that do not use the factory latch system) the hood may be held down by hood pins. A hood may sometimes contain a hood ornament, hood scoop, power bulge, and/or wiper jets. Hoods are typically made out of steel, but aluminium is rapidly gaining popularity with auto companies. Aftermarket manufacturers may construct hoods out of fiberglass, carbon fibre, or dry carbon.
In Japan and Europe, regulations have come into effect in recent years that place a limit on the severity of pedestrian head injury when struck by a motor vehicle. This is leading to more advanced hood designs, as evidenced by multicone hood inner panel designs as found on the Mazda RX-8 and other vehicles. Other changes are being made to use the bonnet / hood as an active structure and push its surface several cm. away from the hard motor components during a pedestrian crash. This may be achieved by mechanical (spring force) or pyrotechnic devices.
A recent trend in street racing has been to raise the rear end of the hood to promote cooling, although this, in theory, does little, except at dead stop, since the area of the hood directly in front of the windshield and the lowest portions of the windshield are almost always positive pressure zones (air actually flows into the engine bay, not out of it, increasing engine bay pressure).
See also
Hood may refer to:
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People
- Hoodlum, a street tough
- Admiral Hood, any of several officers (of that name) of the Royal Navy
- Alan Hood
- Alex Hood
- Alexander Hood, 1st Viscount Bridport
- Alexander Hood (captain)
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A hinge is a type of bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Hinges may be made of flexible material or of moving components. In biology, many joints function as hinges.
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A lid is part of a container, and serves as the cover or seal, usually one that completely closes the object.
Lids have been found on pottery dating back as far as 3100 BC.
Often a part of a living creature covering an opening is called a lid.
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Lids have been found on pottery dating back as far as 3100 BC.
Often a part of a living creature covering an opening is called a lid.
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An engine is something that produces an output effect from a given input. The origin of engineering however, came from the design, building and working of (military "engines") because before such devices came to be employed in battles there were very few mechanical devices used.
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A motor vehicle is a machine which incorporates a (sometimes known as an engine), and which is used for transportation. The internal combustion engine is the most common motor choice, although electric motors or other types are sometimes used.
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An auto mechanic or motor mechanic in Australian English is a mechanic who specialises in automobile maintenance, repair, and sometimes modification. A mechanic may be knowledgeable in working on all parts of a variety of car makes or may specialize either in a
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hood ornament is the name given to a specially crafted model of something which symbolizes a car company like a badge, located on the front center portion of the hood.
Examples of hood ornaments include:
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Examples of hood ornaments include:
- Archer on Pierce-Arrow cars
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hood scoop is an air vent on the hood of an automobile that either allows a flow of air to directly enter the engine compartment, or appears to do so. It may be closed, and thus purely decorative, or serve to enhance performance in several possible ways.
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power bulge is a raised part (a bulge) of the hood of a car. The reason for a power bulge is to fit for instance a large engine or air filters that otherwise wouldn't fit. Sometimes a power bulge is used to be able to fit a larger engine into a car that originally wasn't designed
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windscreen wiper (windshield wiper in North America) is a device used to wipe rain and dirt from a windscreen. Almost all automobiles are equipped with windscreen wipers, often by legal requirement -- though, confusingly, some legal systems require wipers without requiring a
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Steel is an alloy consisting mostly of iron, with a carbon content between 0.02% and 1.7 or 2.04% by weight (C:1000–10,8.67Fe), depending on grade. Carbon is the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese and
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Aluminium (IPA: /ˌæljʊˈmɪniəm/, /ˌæljəˈmɪniəm/) or aluminum (IPA: /əˈluːmɪnəm/
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Fiberglass (also called fibreglass and glass fibre) is material made from extremely fine fibers of glass. It is used as a reinforcing agent for many polymer products; the resulting composite material, properly known as fiber-reinforced polymer (FRP) or
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Carbon fibre or carbon fiber can refer to carbon filament thread, or to felt or woven cloth made from those carbon filaments. By extension, the term is also used informally to mean any composite material made with carbon filament, such as carbon fiber reinforced plastic.
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Europe is one of the seven traditional continents of the Earth. Physically and geologically, Europe is the westernmost peninsula of Eurasia, west of Asia. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean, to the south by the Mediterranean Sea,
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Mazda RX-8 is a sports car manufactured by Mazda Motor Corporation. It first appeared in 2001 at the North American International Auto Show. It is the successor to the RX-7 and like its predecessors in the RX range it is powered by a Renesis rotary engine.
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Pyrotechnics is a field of study often thought synonymous with the manufacture of fireworks, but more accurately it has a wider scope that includes items for military and industrial uses.
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trunk on its rear trunk rack. These were integrated with the body in later models.]]
The trunk, or boot, of an automobile or car is the vehicle's main storage, luggage, or cargo compartment.
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The trunk, or boot, of an automobile or car is the vehicle's main storage, luggage, or cargo compartment.
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Automotive design is the profession involved in the development of motor vehicles or more specifically road vehicles. This most commonly refers to automobiles but also refers to motorcycles, trucks, buses, coaches, and vans.
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Coachwork is the body of a motor vehicle (automobile, bus or truck) which is built around a chassis, rather than being of monocoque construction. Another word is carrossery (plural: carosseries).
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chassis (plural: "chassis") (IPA: /ˈʃæːsiː, ˈtʃæːsiː/) consists of a framework that supports an inanimate object, analogous to an animal's skeleton, for example in a motor vehicle or a
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Body-on-frame is an automobile construction technology. Mounting a separate body to a rigid frame which supports the drivetrain was the original method of building automobiles, and its use continues to this day.
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A bumper is a part of an automobile designed to allow one vehicle to impact with another and to withstand that collision without severe damage to the vehicle's frame. Brush guards, push bars, etc.
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A cabrio coach or semi-convertible is a type of car that has a retractable textile roof, and derives from Cabriolet. It is an inexpensive alternative to a full convertible, especially on cars with unibody designs since little or no redesign of the body is necessary.
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chassis (plural: "chassis") (IPA: /ˈʃæːsiː, ˈtʃæːsiː/) consists of a framework that supports an inanimate object, analogous to an animal's skeleton, for example in a motor vehicle or a
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Continental tire is an upright, external, mounted spare tire behind an automobile's trunk compartment. This term also describes a completely fake design that is stamped into the trunk lid. It is a bulge that only suggests a spare tire.
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crumple zone of a vehicle such as a train or an automobile is a structural feature designed to compress during an accident to absorb energy from an impact. Typically, crumple zones are located in the front part of the vehicle, in order to absorb the impact of a head-on collision,
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Dagmar bumpers, also known simply as Dagmars (D-HAG-mar) is a slang term for the artillery shell shaped styling elements found on the front bumper/grille assemblies on several makes of cars produced in the 1950s, an era recognized for its flamboyant designs and
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The decklid (or deck lid) is the cover over the trunk/boot of motor vehicles that allows access to the main storage or luggage compartment. A hinge allows the decklid to be raised, while devices such as springs hold it up in the open position.
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