A monster truck is a pickup truck modified with a larger suspension and larger tires, usually for recreational uses. Today pickup trucks are still used, however SUV bodies as well as themed trucks are driven and most of the bodies are now made of fiberglass rather than metal. Themed trucks vary from car bodies, SUV bodies, and even animal themed bodies. A competition monster truck should meet guidelines by being 12 feet tall, 12 feet wide, and as of 2015, should be equipped with specifically made 462lb BKT 66-inch off-road tires. Monster trucks used to be side acts at popular motocross events and mud bogs but today they are usually the main attraction with motocross and mud bogging being the complementary shows.
A monster truck show usually involves the trucks racing each other in a 2v2 competition and then letting it all hang out in a 'freestyle comp where the trucks do numerous stunts such as backflips and wheelies in numerous competitions. These events usually consist of racing, freestyle, donut competitions and wheelie competitions. These trucks can run up and over most man-made barriers, so they are equipped with remote shut-off switches, called the Remote Ignition Interrupter (RII), to help prevent an accident if the driver loses control at any time. The RII works with the truck's computer to allow track officials to shut the truck's engine off in the event the brakes fail or the truck becomes uncontrollable. During freestyle events, only one truck is allowed on the course at a time to ensure safety for both the drivers and fans. Most racing competitions feature two drivers racing each other on symmetrical tracks, with the losing driver being eliminated in a single loss elimination fashion.
As of 2017 the freestyle event has become the last event of competition. Drivers are free to select their own course around the track and its obstacles. Drivers will often perform doughnuts, wheel stands, large aerial jumps and even backflips during this segment. Historically, additional items for the drivers to crush such as motor homes and school buses were frequently placed on the track specifically for the freestyle event. However, incidences of debris flying into the stands and causing serious injuries have influenced most event promoters to turn away from such frail obstacles. Most freestyle courses now consist of overly large jumps and ramps formed to allow the trucks to get excessive air and explosive wheelies upon landing.
In addition to its recreational use, the height above ground of the monster truck body has led to it being used for rescuing people stranded by floods.
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History
In the late 1970s, heavily modified pickup trucks were becoming popular and the sports of mud bogging and truck pulling were gaining in popularity. Several truck owners had created lifted trucks to compete in such events, and soon competition to hold the title of "biggest truck" developed. The trucks which garnered the most national attention were Bob Chandler's Bigfoot, Everett Jasmer's USA-1, Fred Shafer and Jack Willman Sr.'s Bear Foot, and Jeff Dane's King Kong. At the time, the largest tires the trucks were running were 48 inches (1.2 m) in diameter.
In April 1981, Bob Chandler drove over cars in Bigfoot in what is often believed to be the first monster truck to crush cars. Chandler drove Bigfoot over a pair of cars in a field as a test of the truck's ability, and filmed it to use as a promotional tool in his four-wheel drive performance shop. An event promoter saw the video of the car crush and asked Chandler to do it in front of a crowd. Initially hesitant because of the "destructive" image that could be associated with Bigfoot, Chandler eventually caved in. After some smaller shows, Chandler performed the feat in the Pontiac Silverdome in 1982. At this show, Chandler also debuted a new version of Bigfoot with 66in. tires. At a prior event in the early 1980s when Bigfoot was still running 48 in.terra tires, Bob George, one of the owners of a motorsport promotion company named Truck-a-rama (now the USHRA), is said to have coined the phrase "monster truck" when referring to Bigfoot. The term "monster truck" became the generic name for all trucks with oversized terra tires.
Exactly who crushed the first car is often debated. There are claims that in the late 1970s, Jeff Dane's King Kong (who referred to his truck as the "Bigger Foot") had crushed cars at Great Lakes Dragway in Union Grove, Wisconsin. Another truck, known as High Roller (currently known as "Thunder Beast"), also claimed to have documented car crushes in Washington State before Bigfoot, though said documentation has never surfaced. Cyclops, then owned by the Dykman Brothers, also claims to have crushed burning cars before Bigfoot. However, the earliest, widely available and verified video footage showing a monster truck crushing cars that exists shows Bob Chandler driving Bigfoot while crushing two mid-1970s automobiles in April 1981. This video was what the promoter viewed that motivated him to ask Chandler to perform the car crush in front of a crowd.
King Kong and Bear Foot each followed Bigfoot to 66-inch-diameter (1.7 m) tires, and soon other monster trucks, such as King Krunch, Maddog, and Virginia Giant were being constructed. These early trucks were built off of stock chassis which were heavily reinforced, used leaf spring suspension, a stock body, and heavy military axles to support the tires.
For most of the early 1980s, monster trucks performed primarily exhibitions as a side show to truck pulling or mud bogging events. In 1985, major promoters, such as the USHRA and TNT Motorsports, began racing monster trucks on a regular basis. The races, as they are today, were in the form of single elimination drag races, held over a course littered with obstacles. The change to racing eventually led truck owners to begin building lighter trucks, with more power. The establishment of TNT's first-ever monster truck points championship in 1988 expedited the process and found teams beginning to use straight-rail frames, fiberglass bodies, and lighter axle components to shave weight and gain speed.
In 1988, to standardize rules for truck construction and safety, Bob Chandler, Braden, and George Carpenter formed the Monster Truck Racing Association (MTRA). The MTRA created standard safety rules to govern monster trucks. The organization still plays a major role in the sport's development in the USA and EU.
With racing taking precedence, several teams began to think in new ways as to how the trucks could be built. Towards the end of 1988, Gary Cook and David Morris debuted Equalizer, a truck with a combination of coil springs and shock absorbers as the main source of suspension rather than the standard of leaf springs and shock absorbers. In 1989, Jack Willman Sr., now with his own truck, Taurus, debuted a new truck which used a solid axle suspension system made of parallel four-link suspensions and coilovers that together weighed in at close to 9,000 pounds (4,100 kg). However, the ultimate coup de grâce came from Chandler, also in 1989, whose Bigfoot VIII featured a full tubular chassis and a long-travel suspension system made of triangulated four-link suspensions, bump stops, limit straps, cantilevers, and shock absorbers charged with nitrogen gas. The truck revolutionized how monster trucks were built, and within a few years most top level teams built similar vehicles.
In 1991, TNT was purchased by USHRA and their points series were merged. The Special Events championship began to grow in popularity with teams as it had open qualifying spots which the invite-only USHRA championship did not have. The Special Events series lost its Pendaliner sponsorship in 1997. The short-lived ProMT series started in 2000.
Even though racing was dominant as a competition, USHRA events began having freestyle exhibitions as early as 1993. These exhibitions were developed as drivers, notably Dennis Anderson of the extremely popular Grave Digger, began asking for time to come out and perform if they lost in early rounds of racing. Promoters began to notice the popularity of freestyle among fans, and in 2000 USHRA began holding freestyle as a judged competition at events, and now even awards a freestyle championship.
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Promoters
Monster Jam is currently the largest and premier monster truck event, touring through the United States, Canada and select regions of Europe. Promoters of monster truck events include:
- Feld Motor Sports (Monster Jam)
- All Star Motorsport Productions (All Star Monster Truck Tour)
- Toughest Monster Truck Tour
- Monster Nation
- Checkered Flag Productions
- Family Events
- Kicker Monster Truck Nationals
- Outlaw Monster Truck Spectacular
- National Events Ltd (UK)
- O'Reilly Outlaw Nationals
- Monster Trucks XL Tour / Super T Events
- Monster Truck Racing Super Series / Monster Events Inc.
- Extreme Monster Truck Nationals / Jim Morris
- MEGA Monster Truck Tour
- Monster X Tour
- Special Events 4 Wheel & Off Road Jamboree
- Major League of Monster Trucks
- Monster Truck Challenge
- Monster Nationals (The Promotion Company, Inc.)
- Gas Guzzy Events & Marketing
- Vaters Monster Motorsports
- WGAS Motorsports
- Performance Motorsports Inc.
Truck styling and creating
The first monster truck ever built was a pickup truck that was modified with a larger suspension and larger tires. Today, trucks now have custom built tubular chassis, with four-link suspension to provide up to four feet of clearance, and they also now have fiberglass bodies that go onto the chassis separately and are designed to be easily removed and easily replaced when damaged. Mounted just behind the driver on most trucks are the engines, which are typically supercharged, run on a methanol alcohol and corn-based oil fuel, and have displacement of up to 575 cubic inches (9.42 L). Axles are mostly taken from either heavy-duty military trucks or road vehicles such as school buses, and are modified to have a planetary gear reduction at the hub to help turn the tires. All trucks have hydraulic steering in both the front and the rear (four wheel steering), with the front wheels controlled by the steering wheel and the rear wheels by a toggle switch. The tires are typically "Terra" tires used on fertilizer spreaders, and are of size 66"×43"-25", nominally 66" diameter, 43" width, to fit 25" rims (168×109-63 cm). Most trucks utilize a modified and/or custom designed automatic transmission, such as a Turbo 400, Powerglide, Ford C6 transmission, or a Torque-flite 727. A limited number of trucks utilize a Lenco transmission, which traces its roots to drag racing. Most of the automatic transmissions are heavily modified with transbrakes, manual valve bodies, and heavy duty gear sets. Trucks running a Lenco use a centrifugal clutch as opposed to a torque converter, which are used in automatic transmissions. Lenco transmissions are usually found in two-speed or three speed configurations, and are commonly shifted using compressed CO2.
The trucks have many safety features, several of which are required just to run in the small arenas that the trucks frequent. Trucks are equipped with three shut-off switches: the RII (Remote Ignition Interrupt), one within the driver's reach in the cab, and another at the rear of the truck so that all electrical power may be shut off in the event of a rollover. Many trucks are constructed with the driver sitting in the center of the cab for visibility. Most cabs are shielded with Lexan (or comparable polycarbonate), which not only protects the driver from track debris, but also allows for increased visibility. Drivers are required to wear firesuits, safety harnesses, helmets, and head and neck restraints. Most moving parts on the truck are also shielded, and high pressure components have restraining straps, both in case of an explosion.
Uses
While usually exclusively recreational, monster trucks were used for rescuing people stranded by flooding following August 2017 Hurricane Harvey in Texas, US. The large ground clearance holds the body and engine well above the water level, where an ordinary vehicle would be flooded and immobilised.
Accidents
There are several reports on accidents with a monster truck, resulting in more than twenty deaths and several hundreds of wounded people. On January 16, 2009, at a Monster Jam event in Tacoma, Washington a 6-year-old spectator was killed when struck by flying debris from the truck Natural High. In 2009 at the Monster Jam World Finals, the truck Captain's Curse lost its brakes during the run. Alex Blackwell, driver at the time, realized he had no brakes, and steered it. This was an attempt to roll the truck over rather than crashing into the seats head-on. The truck eventually landed several rows in the stands of Sam Boyd Stadium, although no one was injured. In 2009, the monster truck named Samson was involved in an accident that caused the death of announcer George Eisenhart after he accidentally stepped in front of Samson while it was moving.
Equipment
The vehicle's gears contain the same equipment as the others, although they are characterized more by the larger size of its tires, whose diameter can in some cases exceed four meters. The vehicle's length can exceed seven meters.
Guinness World Record
The world's longest monster truck measures at 9.8 m (32 ft) long and was created by Brad and Jen Campbell.
Source of the article : Wikipedia
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