A roller coaster is a type of amusement ride employing a form of elevated railroad track that carries passengers on a train through tight turns, steep slopes, and other elements usually designed to produce a thrilling experience. Trains consist of open cars connected in a single line, and the rides are often found in theme parks around the world. Roller coasters first appeared in the 17th century, and LaMarcus Adna Thompson obtained one of the first known patents for a roller coaster design in 1885, based on the Switchback Railway which opened a year earlier at Coney Island.
A roller coaster inversion is a roller coaster element in which the track turns riders upside-down and then returns them to an upright position. Early forms of inversions were circular in nature and date back to 1848 on the Centrifugal railway in Paris. These vertical loops produced massive g-force that was often dangerous to riders. As a result, the element eventually became non-existent with the last rides to feature the looping inversions being dismantled during the Great Depression. In 1975, designers from Arrow Development created the corkscrew, reviving interest in the inversion during the modern age of steel roller coasters. Elements have since evolved from simple corkscrews and vertical loops to more complex inversions such as Immelmann loops and cobra rolls. The Smiler at Alton Towers holds the world record for the number of inversions on a roller coaster with 14.
A stand-up roller coaster is a roller coaster where passengers aboard a train stand throughout the course of the ride. The first manufacturer to employ the format was TOGO, a Japanese company that converted two traditional roller coasters in 1982 to stand-up configurations. Arrow Dynamics followed suit in the United States the following year with their own conversion. The first roller coaster designed from the ground up as a stand-up coaster was King Cobra, built by TOGO, which opened at Kings Island in 1984. Intamin and Bolliger & Mabillard (B&M) have also designed stand-up models beginning in the 1990s, with the latest opening in 2023 as Pipeline: The Surf Coaster in SeaWorld Orlando.
Arrow Dynamics was an American manufacturing and engineering company that specialized in designing and building amusement park rides, especially roller coasters. Based in Clearfield, Utah, the company was the successor to Arrow Development (1946–1981) and Arrow Huss (1981–1986), which were responsible for several influential advancements in the amusement and theme park industries. Among the most significant was tubular steel track, which provided a smoother ride than the railroad style rails commonly used prior to the 1960s on wooden roller coasters. The Matterhorn Bobsleds at Disneyland, built in 1959, was Arrow's first roller coaster project.
Ronald Valentine Toomer was an American roller coaster designer credited for designing 93 roller coasters around the world. He graduated from the University of Nevada, Reno in 1961 with a degree in mechanical engineering and was a part of the design team responsible for the Apollo spacecraft heat shield.
Great American Scream Machine was a steel roller coaster located at Six Flags Great Adventure in Jackson Township, New Jersey. The 173-foot-tall (53 m) ride opened in 1989 as the tallest and fastest looping roller coaster in the world, reaching a maximum speed of 68 mph (109 km/h). It was designed by Ron Toomer and manufactured by Arrow Dynamics, which built two other coasters with similar layouts – Shockwave at Six Flags Great America and Viper at Six Flags Magic Mountain. Great American Scream Machine featured seven inversions including a batwing and double corkscrew. Records set by the ride were succeeded by Viper the following year in 1990. It operated until July 2010 and was replaced by a stand-up roller coaster, Green Lantern, in 2011.
Colossus is a steel roller coaster at Thorpe Park in Surrey, England, and the park's first major attraction. It was built by Lichtenstein-based manufacturers Intamin and designed by Werner Stengel as an adaptation of Monte Makaya in Brazil. Colossus was the world's first roller coaster with ten inversions; an exact replica, called the 10 Inversion Roller Coaster, was later built at Chimelong Paradise in Guangzhou, China. It retained its title of having the most inversions on any other roller coaster in the world until The Smiler at Alton Towers took the record in 2013.
Dominator is a floorless roller coaster located at Kings Dominion amusement park in Doswell, Virginia. Built by Bolliger & Mabillard, it originally opened in 2000 as Batman: Knight Flight at Six Flags Ohio, in Aurora, Ohio. It was given its current name when Cedar Fair purchased the Ohio park in 2004. However, following Six Flags Ohio ’s eventual permanent closure in 2007, the coaster was relocated to Kings Dominion, where it reopened on May 24, 2008. Dominator is located fairly close to the park’s main entry plaza, in the area known as International Street.
Nighthawk is a steel flying roller coaster located at Carowinds. Constructed by Vekoma, it is located in the Thunder Road section of the park. The roller coaster originally opened as Stealth at California's Great America on April 1, 2000. In 2003, Paramount Parks decided to relocate the roller coaster to Carowinds. It reopened as Borg Assimilator – the first coaster in the world to be themed to Star Trek – on March 20, 2004. After Cedar Fair purchased Carowinds in 2006, Paramount themes were soon removed from the park, and the ride was renamed Nighthawk. It is one of only two Flying Dutchman models still in existence from Vekoma, the other being Batwing at Six Flags America.
Batman: The Dark Knight is a steel floorless roller coaster designed by Bolliger & Mabillard located in the Gotham City section of Six Flags New England. The roller coaster has 2,600 feet (790 m) of track, reaches a maximum height of 117.8 feet (35.9 m) and features five inversions. The coaster was released to the public on April 20, 2002. In 2008, the ride's name was changed to Batman: The Ride to avoid confusion with Six Flags New England's installation of The Dark Knight Coaster that was planned to be built at the park, but after the project was cancelled, the ride's name reverted to Batman: The Dark Knight.
Phantom's Revenge is a steel hypercoaster located at Kennywood amusement park in West Mifflin, Pennsylvania. It originally opened as Steel Phantom in 1991, featuring the fastest speed and longest drop of any roller coaster in the world. Its second drop is longer than its first, which is a unique characteristic among roller coasters. Manufactured by Arrow Dynamics, the ride was later modified and renovated by D. H. Morgan Manufacturing for the 2001 season when it reopened as Phantom's Revenge. The drop and track length were both increased, and its four inversions were removed, allowing for the removal of its uncomfortable over-the-shoulder restraints.
Corkscrew is a steel roller coaster at Valleyfair in Shakopee, Minnesota, featuring one vertical loop and two corkscrews. Built in 1980, Corkscrew was planned to reflect the design of its sister roller coaster Corkscrew at Cedar Point. It is notably one of the first roller coasters to feature a double corkscrew, as well as a vertical loop. The main differences that the Valleyfair model has is the addition of a finale helix and the omission of the camelback before the loop. Until the hypercoaster Wild Thing, Corkscrew was the only outdoor all-steel roller coaster in Minnesota. Corkscrew is currently the only roller coaster at Valleyfair with inversions. The coaster's track was painted blue when it opened in 1980, but was repainted orange and yellow in 2011.
Katun is a steel inverted roller coaster at the Mirabilandia amusement park, Savio, outside Ravenna, Italy. It is the longest inverted roller coaster in Europe. The coaster stands 164 feet (50 m) tall, has a track length of 3,937 feet (1,200 m), a top speed of 65 mph (105 km/h) and six inversions:
Orient Express was a steel roller coaster located at Worlds of Fun in Kansas City, Missouri. Introduced in 1980, the ride was manufactured by Arrow Huss and designed by Ron Toomer. It was replaced in 2004 by Spinning Dragons, a Gerstlauer spinning roller coaster. The red-orange track was located between the two entrances of the park. The station house was retained for use with a haunted attraction during the park's annual Halloween event.
Shockwave was a roller coaster manufactured by Arrow Dynamics at Six Flags Great America in Gurnee, Illinois. Standing 170 feet (52 m) tall and reaching speeds of 65 miles per hour (105 km/h), it opened in 1988 as the world's tallest and fastest looping roller coaster with a record-breaking seven inversions: three vertical loops, a boomerang, and two regular corkscrews. Shockwave was closed in 2002 and has been dismantled.
Wildfire is a steel roller coaster located at Silver Dollar City in Branson, Missouri. Manufactured by Bolliger & Mabillard, the $14-million ride opened to the public on April 4, 2001. It is themed as a flying machine developed by a fictional 1880s Ozark inventor.
Anaconda is a steel roller coaster located at Kings Dominion, in the Jungle X-Pedition section of the park. Built by Arrow Dynamics and designed by Ron Toomer, Anaconda opened in 1991 as the first looping roller coaster to feature an underwater tunnel and the first at Kings Dominion with more than one inversion.
Sky Rocket is a steel roller coaster located at Kennywood amusement park in West Mifflin, Pennsylvania. Manufactured by Premier Rides, Sky Rocket opened to the public on June 29, 2010. It was the first major coaster addition at the park in almost a decade, following the renovation of Phantom's Revenge in 2001. It was also the first coaster in the park to feature inversions since Steel Phantom, as well as the first to have a launch since Laser Loop.
Valravn is a steel roller coaster at Cedar Point amusement park in Sandusky, Ohio. Built and designed by Bolliger & Mabillard (B&M), it is the first Dive Coaster model in the Cedar Fair chain of parks and opened on May 7, 2016, as the tallest, fastest, and longest of its kind in the world. It remains the tallest, sharing its height record with Yukon Striker at Canada's Wonderland. Valravn is also the first Dive Coaster to use B&M's vest-style, over-the-shoulder restraints and the third Dive Coaster overall to open in the United States. The installation marked the hundredth roller coaster from B&M, dating back to the company's founding in 1988.
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