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Bolliger & Mabillard

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Bolliger & Mabillard Consulting Engineers Inc.
TypePrivate
IndustryRoller coaster design
Founded1988
Founder
  • Walter Bolliger
  • Claude Mabillard
Headquarters
Monthey
,
Switzerland
Area served
Worldwide
Key people
  • Walter Bolliger
  • Claude Mabillard
Products
Number of employees
37 (2012)
WebsiteOfficial website

Bolliger & Mabillard, officially Bolliger & Mabillard Consulting Engineers, Inc. and often abbreviated B&M, is a roller coaster design consultancy based in Monthey, Switzerland. The company was founded in 1988 by Walter Bolliger and Claude Mabillard, both of whom had worked for Giovanola.[1]

B&M has pioneered several new ride technologies, most notably the inverted roller coaster[2][3] and the box-section track.[4] In 2016, the company completed its 100th roller coaster. B&M produces nine types of coaster models: Stand-Up Coaster, Inverted Coaster, Floorless Coaster, Flying Coaster, Hyper Coaster, Dive Coaster, Sitting Coaster, Wing Coaster and Family Coaster.

History[]

Roots[]

Walter Bolliger and Claude Mabillard started working for Giovanola, a manufacturing company who supplied rides to Intamin, in the 1970s. During their time at Giovanola, they helped design the company's first stand-up roller coaster, Shockwave at Six Flags Magic Mountain. They also worked on other projects, such as Z-Force at Six Flags Great America.[5] Bolliger & Mabillard left Giovanola, but the company continued to use their track design, so the company's roller coasters, Goliath at Six Flags Magic Mountain and Titan at Six Flags Over Texas, use a track style very similar to B&M's.[6][7]

An inverted model with the angled drop, common on inverted coasters, Batman: The Ride at Six Flags Great Adventure

Launch[]

In 1987, Giovanola underwent a change of management; Bolliger & Mabillard decided to leave and founded their own company.[5] At the time, B&M employed four people, including two draftsmen: Bolliger and Mabillard. When B&M was created, the pair had agreed not to make any more amusement attractions.[8][9] However, Robert Mampe, Six Flags Great America's staff engineer, who had worked with both men during the construction of Z-Force, contacted the new company and asked it to reconfigure the cars for its Giovanola-built, Intamin bobsled coaster that was to be relocated from Six Flags Great Adventure.[10]

Following that project Mampe asked the new company to design and build a stand-up roller coaster for Six Flags Great America, similar to Shockwave at Six Flags Magic Mountain.[10] B&M accepted the offer and hired two more draftsmen. But B&M had a problem regarding how and where to manufacture the track pieces for the roller coaster. With the impression of the work done by Clermont Steel Fabricators on Vortex at Kings Island and Shockwave Six Flags Great America, Walter Bolliger went to the steel plant and asked if they would be interested in manufacturing the track. Clermont Steel Fabricators accepted and currently manufactures all Bolliger and Mabillard roller coaster track pieces for all of North America.[4] Now with a company to manufacture the track, B&M built its first roller coaster, a stand-up roller coaster, Iron Wolf, which opened in 1990 at Six Flags Great America.[8][9] Two years later, Bolliger & Mabillard built another project for Six Flags Great America, Batman: The Ride, the world's first inverted roller coaster, which brought them to prominence in the industry.[11][12]

Development[]

Bolliger & Mabillard also invented the Floorless Coaster[13] and the Dive Coaster. The company also built its first launched roller coaster, the Incredible Hulk, which is at Islands of Adventure.[14] In 2010, B&M unveiled its new Wing Coaster and premiered the prototype model, named Raptor, at Gardaland in 2011.[15] It has two seats on each side on the car that hang riders over the sides of the track. As of 2019 there are fifteen in operation.[15] In 2015, B&M constructed Thunderbird at Holiday World & Splashin' Safari, its first in-house launched coaster.[16]

By 2010, B&M employed twelve engineers, twelve draftsmen and two draftswomen.[8][9] The company has made other contributions to the roller coaster industry. The company built the trains for the Psyclone, a now-demolished wooden roller coaster at Six Flags Magic Mountain. The trains were later used on the park's Colossus wooden roller coaster (until it was refurbished by Rocky Mountain Construction), but were only used during October each year. The trains faced backward and usually raced against trains on the second track, which ran forward.[17]

In 2013, the company launched the construction of Banshee, the world's longest inverted roller coaster.[18] B&M supplied new trains for Steel Dragon 2000, built by D. H. Morgan Manufacturing in 2000.[19][20] As of 2012, Bolliger & Mabillard has 85 operating roller coasters worldwide.[2] Of these, twenty-two were listed among that year's Amusement Today Golden Ticket Awards Top 50 Steel Coasters List for 2012 and five were in the top 10.

By 2016, Bolliger & Mabillard had completed their 100th coaster, and had built more roller coasters than any other manufacturer on the Golden Ticket Awards Steel Coasters list.[21]

Features[]

Raptor's cobra roll, a first for inverted roller coasters

Bolliger & Mabillard currently manufactures nine different roller coaster styles: Stand-Up Coaster, Inverted Coaster, Floorless Coaster, Flying Coaster, Hyper Coaster, Dive Coaster, Sitting Coaster, Wing Coaster and Family Coaster.[22][23] Bolliger & Mabillard has been involved in developing new technologies and concepts in roller coasters almost since its inception. It has often worked with engineer Werner Stengel and with designers and management of client theme parks.[24][25]

Lift hills[]

Diagram comparing a standard lift hill and the B&M pre-drop lift hill.

Many Bolliger & Mabillard coasters feature an element known as a "pre-drop", a short drop after the top of the lift hill and before the start of the first drop, designed to reduce stress on the lift chain. The flat section between the pre-drop and the first drop serves as a shelf to support the weight of the train, reducing related stresses on the chain. On most coasters without a pre-drop, the weight of the train tends to pull on the lift chain as it begins its descent because the latter half of the train is still being lifted by the chain. Pre-drops have not been used on the company's Dive or Flying coasters, or on hyper coasters built after 1999.[26][27] OzIris at Parc Astérix was the first B&M inverted roller coaster that does not feature a pre-drop.[28] Ever since, no coaster built by B&M has featured a pre-drop[29][30] because the chain accelerates on newer coasters of B&M after the train passes the crest to acquire the same speed as the train when it is being taken over by gravity.[31]

Trains[]

Most of Bolliger & Mabillard's roller coaster trains use four-abreast seating. Each car has one row of four seats, while the train length can vary between coasters. All of the company's coaster models, except the Dive Coaster and Wing Coaster use this configuration. The Dive Coaster uses six, eight or ten-abreast seating, with two or three rows of seats. For example, Griffon at Busch Gardens Williamsburg, uses ten seats in three rows, while Krake at Heide Park uses six-across seating in three rows.[32] On recent hyper coaster projects, B&M has used a new car design that has two rows of two seats; the two seats in the rear of the car pushed out from the centerline so that the four seats resemble a V formation. This formation has only been used on Behemoth at Canada's Wonderland, Diamondback at Kings Island, Intimidator at Carowinds and Shambhala: Expedición al Himalaya at PortAventura Park, in the resort PortAventura World. In 2013, B&M introduced a new car design that has two rows of two seats, however, they are not in a V formation.[19][20]

All B&M hyper coasters use a type of restraint called a "T-bar" or "Clamshell" restraint, which consists of bar with a cushioned lap bar with two handles for riders to hold on to. This type of restraint generally does not use a seat belt, however seat belts have been added to Behemoth and Leviathan at Canada's Wonderland, Diamondback at Kings Island, and Intimidator at Carowinds, all of which have the stadium style seating.[33] Bolliger & Mabillard also uses over-the-shoulder restraints, in that the restraint is placed over the riders' shoulders and sits and extends to the riders' laps. This type of restraint is used on Dive, Inverted, Sitting, Flying, Floorless, Stand-up and Wing Coasters.[34] Bolliger & Mabillard has recently begun using a vest like over the shoulder restraint, which reduces headbanging found on the older, more common padded over the shoulder restraints. These have been met with some criticism from the coaster community, due to the nature in which they tighten during the ride; stapling riders to their seats, resulting in less airtime (negative g-forces) being felt.

CAD model of B&M's signature box-spined track
B&M Friction Brakes Model

Track[]

A notable feature of Bolliger & Mabillard roller coasters is the box-section track. The running rails are connected to a box-section spine, instead of the circular spine used by other manufacturers. When a train travels around a box-section track, it creates a distinctive roaring sound, which is unique to this style of track. However, on some Bolliger & Mabillard roller coasters, such as Talon at Dorney Park & Wildwater Kingdom and GateKeeper at Cedar Point, the track is filled with a proprietary sound dampening material to reduce this noise.[35]

Also, depending on the model of the roller coaster, the track size can vary. Models such as the Flying, Wing and Dive Coaster have heavier trains which require a larger track size while models with lighter trains, such as the Stand-Up and Hyper Coaster, do not and use a smaller sized track.[4]

Brakes[]

As of 2016, Bolliger & Mabillard uses three types of braking systems: friction, magnetic, and water.

Friction brakes[]

When B&M was first founded, the linear magnetic eddy brake had yet to be developed, so it used friction brakes as its main braking system. On the train, pads are fitted beneath the seating areas. On the brakes, similar pads are connected to steel supports. When the pads on the train come into contact with the brakes, friction is created which slows the train.[36] Beginning with Kumba in 1993, friction brakes have also been used as trim brakes that regulate the speed of the train while it is still navigating the course.[37]

SheiKra's splashdown element

Magnetic brakes[]

Magnetic brakes provide smoother deceleration than friction brakes; most B&M roller coasters built after 2003 have at least one set of magnetic brakes. Magnetic brakes do not make contact with the train. Fins that run parallel to the train are fitted beneath the seats. As the fins pass through the brakes, the magnetic field created by the brakes slows the train. Magnetic brakes have also been used as an alternate type of trim brake on B&M roller coasters such as Leviathan at Canada's Wonderland.[38]

Water brakes[]

Water brakes were first introduced on SheiKra at Busch Gardens Tampa Bay in 2005.[39] Water brakes can only be used when a splashdown element, in which a body of water surrounds a section of track, is present within the layout of the roller coaster. When scoops on the last car of each train come in contact with the surrounding water, the train slows down and the water is sprayed several feet into the air behind it.[40]

List of roller coasters[]

See also: Category:Roller coasters manufactured by Bolliger & Mabillard
Vortex at Carowinds, a Stand-up Coaster model
Leviathan at Canada's Wonderland, a Hyper Coaster model
Batman: The Ride at Six Flags Great Adventure, an Inverted Coaster model
Dragon Khan at PortAventura Park, a Sitting Coaster model
Oblivion at Alton Towers, a Dive Coaster model
Hydra at Dorney Park, a Floorless Coaster model
Behemoth at Canada's Wonderland, a Hyper Coaster model
Manta at SeaWorld Orlando, a Flying Coaster model
Raptor at Gardaland, first Wing Coaster model

In North America, B&M coaster designs have been manufactured by Ohio company Clermont Steel Fabricators since 1990.[41][42][4] As of 2019, Bolliger & Mabillard has built 118 roller coasters around the world.[43] Some have either been relocated, renamed or closed.

Name Model Park Country Opened Status Ref
Batman: The Ride Inverted Coaster Six Flags Great America United States United States 1992 Operating [12]
Vortex Stand-Up Coaster Carowinds United States United States 1992 Operating [44]
Batman: The Ride Inverted Coaster Six Flags Great Adventure United States United States 1993 Operating [45]
Flight Deck
Formerly Top Gun		 Inverted Coaster California's Great America United States United States 1993 Operating [46]
Kumba Sitting Coaster Busch Gardens Tampa United States United States 1993 Operating [47]
Batman: The Ride Inverted Coaster Six Flags Magic Mountain United States United States 1994 Operating [48]
Diavlo Inverted Coaster Himeji Central Park Japan Japan 1994 Operating [49]
Nemesis Inverted Coaster Alton Towers United Kingdom United Kingdom 1994 Operating [50]
Raptor Inverted Coaster Cedar Point United States United States 1994 Operating [51]
Batman: The Ride Inverted Coaster Six Flags St. Louis United States United States 1995 Operating [52]
Dragon Khan Sitting Coaster PortAventura Park Spain Spain 1995 Operating [53]
Montu Inverted Coaster Busch Gardens Tampa United States United States 1996 Operating [54]
Alpengeist Inverted Coaster Busch Gardens Williamsburg United States United States 1997 Operating [55]
Batman: The Ride Inverted Coaster Six Flags Over Georgia United States United States 1997 Operating [56]
Pyrenees Inverted Coaster Parque Espana-Shima Spain Village Japan Japan 1997 Operating [57]
Great White Inverted Coaster SeaWorld San Antonio United States United States 1997 Operating [58]
Oblivion Dive Coaster Alton Towers United Kingdom United Kingdom 1998 Operating [59]
Great Bear Inverted Coaster Hersheypark United States United States 1998 Operating [60]
The Riddler's Revenge Stand-Up Coaster Six Flags Magic Mountain United States United States 1998 Operating [61]
Afterburn
Formerly Top Gun - The Jet Coaster		 Inverted Coaster Carowinds United States United States 1999 Operating [62]
Bizarro
Formerly Medusa		 Floorless Coaster Six Flags Great Adventure United States United States 1999 Operating [63]
Incredible Hulk Sitting Coaster Universal Studios Islands of Adventure United States United States 1999 Operating [64]
Dragon Challenge
Formerly Dueling Dragons		 Inverted Coaster Universal Studios Islands of Adventure United States United States 1999 Removed [65]
Batman: The Ride Inverted Coaster Six Flags Over Texas United States United States 1999 Operating [66]
Raging Bull Hyper Coaster Six Flags Great America United States United States 1999 Operating [67]
Georgia Scorcher Stand-Up Coaster Six Flags Over Georgia United States United States 1999 Operating [68]
Apollo's Chariot Hyper Coaster Busch Gardens Williamsburg United States United States 1999 Operating [69]
Kraken Unleashed
Formerly Kraken		 Floorless Coaster SeaWorld Orlando United States United States 2000 Operating [70]
Medusa Floorless Coaster Six Flags Discovery Kingdom United States United States 2000 Operating [71]
Katun Inverted Coaster Mirabilandia Italy Italy 2000 Operating [72]
Superman: Krypton Coaster Floorless Coaster Six Flags Fiesta Texas United States United States 2000 Operating [73]
Diving Machine G5 Dive Coaster Janfusun Fancyworld Taiwan Taiwan 2000 Operating [74]
Insane Speed Floorless Coaster Janfusun Fancyworld Taiwan Taiwan 2001 Operating [75]
Nitro Hyper Coaster Six Flags Great Adventure United States United States 2001 Operating [76]
Talon Inverted Coaster Dorney Park United States United States 2001 Operating [77]
Wildfire Sitting Coaster Silver Dollar City United States United States 2001 Operating [78]
Galactica
Formerly Air		 Flying Coaster Alton Towers United Kingdom United Kingdom 2002 Operating [79]
Batman: The Dark Knight Floorless Coaster Six Flags New England United States United States 2002 Operating [80]
Batman: Arkham Asylum
Formerly Batman: La Fuga		 Inverted Coaster Parque Warner Madrid Spain Spain 2002 Operating [81]
Silver Star Hyper Coaster Europa Park Germany Germany 2002 Operating [82]
Superman: La Atracción de Acero Floorless Coaster Parque Warner Madrid Spain Spain 2002 Operating [83]
Superman: Ultimate Flight Flying Coaster Six Flags Over Georgia United States United States 2002 Operating [84]
Vampire Inverted Coaster La Ronde Canada Canada 2002 Operating [85]
Nemesis Inferno Inverted Coaster Thorpe Park United Kingdom United Kingdom 2003 Operating [86]
Scream Floorless Coaster Six Flags Magic Mountain United States United States 2003 Operating [87]
Superman: Ultimate Flight Flying Coaster Six Flags Great America United States United States 2003 Operating [88]
Superman: Ultimate Flight Flying Coaster Six Flags Great Adventure United States United States 2003 Operating [89]
Dæmonen Floorless Coaster Tivoli Gardens Denmark Denmark 2004 Operating [90]
Lightning Inverted Coaster Kuwait Entertainment City Kuwait Kuwait 2004 Removed [91]
Silver Bullet Inverted Coaster Knott's Berry Farm United States United States 2004 Operating [92]
Hydra the Revenge Floorless Coaster Dorney Park United States United States 2005 Operating [93]
SheiKra Dive Coaster Busch Gardens Tampa United States United States 2005 Operating [94]
Black Mamba Inverted Coaster Phantasialand Germany Germany 2006 Operating [95]
Crystal Wing Flying Coaster Happy Valley Beijing China China 2006 Operating [96]
Goliath Hyper Coaster La Ronde Canada Canada 2006 Operating [97]
Goliath Hyper Coaster Six Flags Over Georgia United States United States 2006 Operating [98]
Patriot Inverted Coaster Worlds of Fun United States United States 2006 Operating [99]
Tatsu Flying Coaster Six Flags Magic Mountain United States United States 2006 Operating [100]
Griffon Dive Coaster Busch Gardens Williamsburg United States United States 2007 Operating [101]
Hollywood Dream: The Ride Hyper Coaster Universal Studios Japan Japan Japan 2007 Operating [102]
Phaethon Inverted Coaster Gyeongju World South Korea South Korea 2007 Operating [103]
Behemoth Hyper Coaster Canada's Wonderland Canada Canada 2008 Operating [104]
Dive Coaster Dive Coaster Chimelong Paradise China China 2008 Operating [105]
Dominator
Formerly Batman: Knight Flight		 Floorless Coaster Kings Dominion
Geauga Lake		 United States United States 2008
2000 to 2007		 Operating [106]
[107]
Goliath
Formerly Batman: The Ride
Formerly Gambit		 Inverted Coaster Six Flags Fiesta Texas
Six Flags New Orleans
 United States United States 2008
2003 to 2005
1995 to 2002		 Operating [108]
[109]
[110]
Diamondback Hyper Coaster Kings Island United States United States 2009 Operating [111]
Diving Coaster Dive Coaster Happy Valley Shanghai China China 2009 Operating [112]
Manta Flying Coaster SeaWorld Orlando United States United States 2009 Operating [113]
Monster
Formerly Orochi		 Inverted Coaster Walygator Parc
Expoland		 France France 2010
1996 to 2007		 Operating [114]
[115]
Intimidator Hyper Coaster Carowinds United States United States 2010 Operating [116]
Green Lantern
Formerly Chang		 Stand-Up Coaster Six Flags Great Adventure
Kentucky Kingdom		 United States United States 2011
1997 to 2009		 Operating [117]
[118]
Hair Raiser Floorless Coaster Ocean Park Hong Kong Hong Kong Hong Kong 2011 Operating [119]
Krake Dive Coaster Heide Park Germany Germany 2011 Operating [120]
Raptor Wing Coaster Gardaland Italy Italy 2011 Operating [121]
Starry Sky Ripper
Formerly Sky Scrapper		 Flying Coaster Joyland China China 2011 Operating [122]
Leviathan Hyper Coaster Canada's Wonderland Canada Canada 2012 Operating [123]
OzIris Inverted Coaster Parc Astérix France France 2012 Operating [124]
Shambhala Hyper Coaster PortAventura Park Spain Spain 2012 Operating [125]
Swarm Wing Coaster Thorpe Park United Kingdom United Kingdom 2012 Operating [126]
Wild Eagle Wing Coaster Dollywood United States United States 2012 Operating [127]
X-Flight Wing Coaster Six Flags Great America United States United States 2012 Operating [128]
GateKeeper Wing Coaster Cedar Point United States United States 2013 Operating [129]
Nitro Floorless Coaster Adlabs Imagica India India 2013 Operating [130]
Banshee Inverted Coaster Kings Island United States United States 2014 Operating [131]
Parrot Coaster
Formerly Flying over the Rainforest		 Wing Coaster Chimelong Ocean Kingdom China China 2014 Operating [132]
Flug der Dämonen Wing Coaster Heide Park Germany Germany 2014 Operating [133]
Family Inverted Coaster Family Inverted Coaster Happy Valley Shanghai China China 2014 Operating [134]
Harpy Flying Coaster China China 2015 SBNO [135]
Rougarou
Formerly Mantis
 Floorless Coaster
Formerly Stand-Up Coaster
 Cedar Point United States United States 2015
1996 to 2014
 Operating [136]
Acrobat Flying Coaster Nagashima Spa Land Japan Japan 2015 Operating [137]
Thunderbird Wing Coaster Holiday World United States United States 2015 Operating [138]
Oblivion: The Black Hole Dive Coaster Gardaland Italy Italy 2015 Operating [139]
Baron 1898 Dive Coaster Efteling Netherlands Netherlands 2015 Operating [140]
Fury 325 Hyper Coaster Carowinds United States United States 2015 Operating [141]
Mako Hyper Coaster SeaWorld Orlando United States United States 2016 Operating [142]
The Flying Dinosaur Flying Coaster Universal Studios Japan Japan Japan 2016 Operating [143]
Valravn Dive Coaster Cedar Point United States United States 2016 Operating [144]
Dragon's Run
Formerly Time Machine
Formerly Led Zeppelin - The Ride		 Sitting Coaster Dragon Park Ha Long
Freestyle Music Park
Hard Rock Park		 Vietnam Vietnam 2017
2009
2008		 Operating [145]
[146]
Patriot
Formerly Vortex
 Floorless Coaster
Formerly Stand-Up Coaster		 California's Great America United States United States 2017
1991 to 2016
 Operating [147]
Wing Coaster Happy Valley Chongqing China China 2017 Operating [148]
Draken Dive Coaster Gyeongju World South Korea South Korea 2018 Operating [149]
Dive Coaster Happy Valley Chengdu China China 2018 Operating [150]
Valkyria Dive Coaster Liseberg Sweden Sweden 2018 Operating [151]
Family Inverted Coaster Happy Valley Beijing China China 2018 Operating [152]
Wing Coaster China China 2018 Operating [153]
Fēnix Wing Coaster Toverland Netherlands Netherlands 2018 Operating [154]
Wing Coaster China China 2018 Operating [155]
Yukon Striker Dive Coaster Canada's Wonderland Canada Canada 2019 Operating [156]
Firebird
Formerly Apocalypse
Formerly Iron Wolf
 Floorless Coaster
Formerly Stand-Up Coaster		 Six Flags America
Six Flags Great America		 United States United States 2019
2012 to 2018
1990 to 2011
 Operating [157]
[158]
Unknown Wing Coaster Hot Go Dreamworld China China Unknown SBNO [159]
Unknown Hyper Coaster Hot Go Dreamworld China China Unknown SBNO [160]
Hyper Coaster Happy Valley Beijing China China 2019 Operating [161]
Wing Coaster China China 2019 Operating [162]
Wing Coaster Happy Valley Nanjing China China 2020 Operating [163]
Candymonium Hyper Coaster Hersheypark United States United States 2020 Operating [164]
Orion Hyper Coaster Kings Island United States United States 2020 Operating [165]
Monster Inverted Coaster Gröna Lund Sweden Sweden 2021 Operating [166]
Sitting Coaster Universal Studios Beijing China China 2021 Operating [167]
Emperor Dive Coaster SeaWorld San Diego United States United States 2022 Under construction [168]
Dr. Diabolical’s Cliffhanger Dive Coaster Six Flags Fiesta Texas United States United States 2022 Under construction [169]
Unknown Wing Coaster China China 2022 Under construction [170]

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  56. ^ Marden, Duane. "Batman: The Ride  (Six Flags Over Georgia)". Roller Coaster DataBase.
  57. ^ Marden, Duane. "Pyrenees  (Parque Espana)". Roller Coaster DataBase.
  58. ^ Marden, Duane. "The Great White  (SeaWorld San Antonio)". Roller Coaster DataBase.
  59. ^ Marden, Duane. "Oblivion  (Alton Towers)". Roller Coaster DataBase.
  60. ^ Marden, Duane. "Great Bear  (Hersheypark)". Roller Coaster DataBase.
  61. ^ Marden, Duane. "The Riddler's Revenge  (Six Flags Magic Mountain)". Roller Coaster DataBase.
  62. ^ Marden, Duane. "Afterburn  (Carowinds)". Roller Coaster DataBase.
  63. ^ Marden, Duane. "Bizarro  (Six Flags Great Adventure)". Roller Coaster DataBase.
  64. ^ Marden, Duane. "Incredible Hulk  (Universal Studios Islands of Adventure)". Roller Coaster DataBase.
  65. ^ Marden, Duane. "Dragon Challenge  (Universal Studios Islands of Adventure)". Roller Coaster DataBase.
  66. ^ Marden, Duane. "Batman: The Ride  (Six Flags Over Texas)". Roller Coaster DataBase.
  67. ^ Marden, Duane. "Raging Bull  (Six Flags Great America)". Roller Coaster DataBase.
  68. ^ Marden, Duane. "Georgia Scorcher  (Six Flags Over Georgia)". Roller Coaster DataBase.
  69. ^ Marden, Duane. "Apollo's Chariot  (Busch Gardens Williamsburg)". Roller Coaster DataBase.
  70. ^ Marden, Duane. "Kraken Unleashed  (SeaWorld Orlando)". Roller Coaster DataBase.
  71. ^ Marden, Duane. "Medusa  (Six Flags Discovery Kingdom)". Roller Coaster DataBase.
  72. ^ Marden, Duane. "Katun  (Mirabilandia)". Roller Coaster DataBase.
  73. ^ Marden, Duane. "Superman: Krypton Coaster  (Six Flags Fiesta Texas)". Roller Coaster DataBase.
  74. ^ Marden, Duane. "Diving Machine G5  (Janfusun Fancyworld)". Roller Coaster DataBase.
  75. ^ Marden, Duane. "Insane Speed  (Janfusun Fancyworld)". Roller Coaster DataBase.
  76. ^ Marden, Duane. "Nitro  (Six Flags Great Adventure)". Roller Coaster DataBase.
  77. ^ Marden, Duane. "Talon  (Dorney Park)". Roller Coaster DataBase.
  78. ^ Marden, Duane. "Wildfire  (Silver Dollar City)". Roller Coaster DataBase.
  79. ^ Marden, Duane. "Air  (Alton Towers)". Roller Coaster DataBase.
  80. ^ Marden, Duane. "Batman – The Dark Knight  (Six Flags New England)". Roller Coaster DataBase.
  81. ^ Marden, Duane. "Batman: Arkham Asylum  (Parque Warner Madrid)". Roller Coaster DataBase.
  82. ^ Marden, Duane. "Silver Star  (Europa Park)". Roller Coaster DataBase.
  83. ^ Marden, Duane. "Superman: La Atracción de Acero  (Parque Warner Madrid)". Roller Coaster DataBase.
  84. ^ Marden, Duane. "Superman: Ultimate Flight  (Six Flags Over Georgia)". Roller Coaster DataBase.
  85. ^ Marden, Duane. "Vampire  (La Ronde)". Roller Coaster DataBase.
  86. ^ Marden, Duane. "Nemesis Inferno  (Thorpe Park)". Roller Coaster DataBase.
  87. ^ Marden, Duane. "Scream  (Six Flags Magic Mountain)". Roller Coaster DataBase.
  88. ^ Marden, Duane. "Superman: Ultimate Flight  (Six Flags Great America)". Roller Coaster DataBase.
  89. ^ Marden, Duane. "Superman:Ultimate Flight  (Six Flags Great Adventure)". Roller Coaster DataBase.
  90. ^ Marden, Duane. "Dæmonen  (Tivoli Gardens)". Roller Coaster DataBase.
  91. ^ Marden, Duane. "Lightning  (Kuwait Entertainment City)". Roller Coaster DataBase.
  92. ^ Marden, Duane. "Silver Bullet  (Knott's Berry Farm)". Roller Coaster DataBase.
  93. ^ Marden, Duane. "Hydra the Revenge  (Dorney Park)". Roller Coaster DataBase.
  94. ^ Marden, Duane. "SheiKra  (Bush Gardens Tampa Bay)". Roller Coaster DataBase.
  95. ^ Marden, Duane. "Black Mamba  (Phantasialand)". Roller Coaster DataBase.
  96. ^ Marden, Duane. "Crystal Wing  (Happy Valley Beijing)". Roller Coaster DataBase.
  97. ^ Marden, Duane. "Goliath  (La Ronde)". Roller Coaster DataBase.
  98. ^ Marden, Duane. "Goliath  (Six Flags Over Georgia)". Roller Coaster DataBase.
  99. ^ Marden, Duane. "Patriot  (Worlds of Fun)". Roller Coaster DataBase.
  100. ^ Marden, Duane. "Tatsu  (Six Flags Magic Mountain)". Roller Coaster DataBase.
  101. ^ Marden, Duane. "Griffon  (Busch Gardens Williamsburg)". Roller Coaster DataBase.
  102. ^ Marden, Duane. "Hollywood Dream: The Ride  (Universal Studios Japan)". Roller Coaster DataBase.
  103. ^ Marden, Duane. "Phaethon  (Gyeongju World)". Roller Coaster DataBase.
  104. ^ Marden, Duane. "Behemoth  (Canada's Wonderland)". Roller Coaster DataBase.
  105. ^ Marden, Duane. "Dive Coaster  (Chimelong Paradise)". Roller Coaster DataBase.
  106. ^ Marden, Duane. "Dominator  (Kings Dominion)". Roller Coaster DataBase.
  107. ^ Marden, Duane. "Dominator  (Geauga Lake)". Roller Coaster DataBase.
  108. ^ Marden, Duane. "Goliath  (Six Flags Fiesta Texas)". Roller Coaster DataBase.
  109. ^ Marden, Duane. "Batman: The Ride  (Six Flags New Orleans)". Roller Coaster DataBase.
  110. ^ Marden, Duane. "Gambit  (Thrill Valley)". Roller Coaster DataBase.
  111. ^ Marden, Duane. "Diamondback  (Kings Island)". Roller Coaster DataBase.
  112. ^ Marden, Duane. "Diving Coaster  (Happy Valley Shanghai)". Roller Coaster DataBase.
  113. ^ Marden, Duane. "Manta  (SeaWorld Orlando)". Roller Coaster DataBase.
  114. ^ Marden, Duane. "Monster  (Walygator Parc)". Roller Coaster DataBase.
  115. ^ Marden, Duane. "Orochi  (Expoland)". Roller Coaster DataBase.
  116. ^ Marden, Duane. "Intimidator  (Carowinds)". Roller Coaster DataBase.
  117. ^ Marden, Duane. "Green Lantern  (Six Flags Great Adventure)". Roller Coaster DataBase.
  118. ^ Marden, Duane. "Chang  (Kentucky Kingdom)". Roller Coaster DataBase.
  119. ^ Marden, Duane. "Hair Raiser  (Ocean Park Hong Kong)". Roller Coaster DataBase.
  120. ^ Marden, Duane. "Krake  (Heide Park)". Roller Coaster DataBase.
  121. ^ Marden, Duane. "Raptor  (Gardaland)". Roller Coaster DataBase.
  122. ^ Marden, Duane. "Starry Sky Ripper  (Joyland)". Roller Coaster DataBase.
  123. ^ Marden, Duane. "Leviathan  (Canada's Wonderland)". Roller Coaster DataBase.
  124. ^ Marden, Duane. "OzIris  (Parc Astérix)". Roller Coaster DataBase.
  125. ^ Marden, Duane. "Shambhala  (PortAdventura)". Roller Coaster DataBase.
  126. ^ Marden, Duane. "The Swarm  (Thorpe Park)". Roller Coaster DataBase.
  127. ^ Marden, Duane. "Wild Eagle  (Dollywood)". Roller Coaster DataBase.
  128. ^ Marden, Duane. "X-Flight  (Six Flags Great America)". Roller Coaster DataBase.
  129. ^ Marden, Duane. "GateKeeper  (Cedar Point)". Roller Coaster DataBase.
  130. ^ Marden, Duane. "Nitro  (Adlabs Imagica)". Roller Coaster DataBase.
  131. ^ Marden, Duane. "Banshee  (Kings Island)". Roller Coaster DataBase.
  132. ^ Marden, Duane. "Parrot Coaster  (Ocean Kingdom)". Roller Coaster DataBase.
  133. ^ Marden, Duane. "Flug der Dämonen  (Heide Park)". Roller Coaster DataBase.
  134. ^ Marden, Duane. "Family Inverted Coaster  (Happy Valley)". Roller Coaster DataBase.
  135. ^ Marden, Duane. "Harpy  (Xishuangbanna Sunac Land)". Roller Coaster DataBase.
  136. ^ Marden, Duane. "Rougarou  (Cedar Point)". Roller Coaster DataBase.
  137. ^ Marden, Duane. "Acrobat  (Nagashima Spa Land)". Roller Coaster DataBase.
  138. ^ Marden, Duane. "Thunderbird  (Holiday World)". Roller Coaster DataBase.
  139. ^ Marden, Duane. "Oblivion The Black Hole  (Gardaland)". Roller Coaster DataBase.
  140. ^ Marden, Duane. "Baron 1898  (Efteling)". Roller Coaster DataBase.
  141. ^ Marden, Duane. "Fury 325  (Carowinds)". Roller Coaster DataBase.
  142. ^ Marden, Duane. "Mako  (SeaWorld Orlando)". Roller Coaster DataBase.
  143. ^ Marden, Duane. "The Flying Dinosaur  (Universal Studios Japan)". Roller Coaster DataBase.
  144. ^ Marden, Duane. "Valravn  (Cedar Point)". Roller Coaster DataBase.
  145. ^ Marden, Duane. "Dragon's Run  (Dragon Park Ha Long)". Roller Coaster DataBase.
  146. ^ Marden, Duane. "Time Machine  (Freestyle Music Park)". Roller Coaster DataBase.
  147. ^ Marden, Duane. "Patriot  (California's Great America)". Roller Coaster DataBase.
  148. ^ Marden, Duane. "Flying Wing Coaster  (Happy Valley Chongqing)". Roller Coaster DataBase.
  149. ^ Marden, Duane. "Draken  (Gyeongju World)". Roller Coaster DataBase.
  150. ^ Marden, Duane. "Western Regions Heaven  (Happy Valley Chengdu)". Roller Coaster DataBase.
  151. ^ Marden, Duane. "Valkyria  (Liseberg)". Roller Coaster DataBase.
  152. ^ Marden, Duane. "Family Inverted Coaster  (Happy Valley Beijing)". Roller Coaster DataBase.
  153. ^ Marden, Duane. "Wing Coaster  (Colourful Yunnan Happy World)". Roller Coaster DataBase.
  154. ^ Marden, Duane. "Fēnix  (Toverland)". Roller Coaster DataBase.
  155. ^ Marden, Duane. "Heaven's Wing  (HB World)". Roller Coaster DataBase.
  156. ^ Marden, Duane. "Yukon Striker  (Canada's Wonderland)". Roller Coaster DataBase.
  157. ^ Marden, Duane. "Firebird  (Six Flags America)". Roller Coaster DataBase.
  158. ^ Marden, Duane. "Iron Wolf  (Six Flags Great America)". Roller Coaster DataBase.
  159. ^ Marden, Duane. "Unknown  (Hot Go Dreamworld)". Roller Coaster DataBase.
  160. ^ Marden, Duane. "Unknown  (Hot Go Dreamworld)". Roller Coaster DataBase.
  161. ^ Marden, Duane. "Flight of the Himalayan Eagle Music Roller Coaster  (Happy Valley Beijing)". Roller Coaster DataBase.
  162. ^ Marden, Duane. "Falcon  (Wuxi Sunac Land)". Roller Coaster DataBase.
  163. ^ Marden, Duane. "Forest Predator  (Happy Valley Nanjing)". Roller Coaster DataBase.
  164. ^ Marden, Duane. "Candymonium  (Hersheypark)". Roller Coaster DataBase.
  165. ^ Marden, Duane. "Orion  (Kings Island)". Roller Coaster DataBase.
  166. ^ Marden, Duane. "Monster  (Gröna Lund)". Roller Coaster DataBase.
  167. ^ Marden, Duane. "Unknown  (Universal Studios Beijing)". Roller Coaster DataBase.
  168. ^ Marden, Duane. "Mako  (SeaWorld San Diego)". Roller Coaster DataBase.
  169. ^ Marden, Duane. "Dr. Diabolical's Cliffhanger  (Six Flags Fiesta Texas)". Roller Coaster DataBase.
  170. ^ Marden, Duane. "Unknown  (Fantasy Valley)". Roller Coaster DataBase.

External links[]

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