1. Kingda Ka – Six Flags Great Adventure, Jackson Township, New Jersey, USA
Top Speed: 128 mph / 206 km/h
Kingda Ka is not just the fastest, but also the tallest roller coaster
in the world. A hydraulic launch mechanism rockets the train from 0 to
128 miles per hour (206 km/h) in 3.5 seconds, pulling about 1.67 g’s. At
the end of the launch track, the train climbs the main tower, twisting
90 degrees to the right before reaching a height of 456 feet (139.5 m).
The train then descends 418 feet (127 m) straight down through a
270-degree spiral. Finally, the train climbs the second, 129 foot hill,
producing a moment of weightlessness before being smoothly brought to a
stop by the magnetic brakes. Due to the high speed and open nature of
the trains, this ride will not operate in even light rain, as rider
contact with rain drops can cause discomfort.
2. Top Thrill Dragster – Cedar Point, Sandusky, Ohio, USA
Top Speed: 120 mph / 193 km/h
Top Thrill Dragster was the first “Strata Coaster,” loosely defined as a
complete circuit coaster that is 400 to 499 feet tall. It was the last
one to use lapbars instead of over-the-shoulder restraints due to
mechanical problems. Shortly after reaching its maximum velocity in less
than four seconds, the train begins its ascent up a 90-degree incline
that has a 90-degree counter-clockwise twist that takes the train
straight over the top of the 420 foot hill, where riders will experience
significant airtime (zero g-forces). On the way down the other side,
there is a 270-degree clockwise twist that leads into the magnetic
braking section that brings the train to a swift but comfortable stop.
3. Dodonpa – Fuji-Q Highland, Fujiyoshida, Yamanashi, Japan
Top Speed: 106.9 mph / 172 km/h
Dodonpa opened in 2001 and is a steel sit-down roller coaster with a
compressed air launch. It is 52 metres (170 feet) tall, and has a launch
speed of 172 km/h (107 mph), which is reached in less than 2 seconds.
The launch is followed by a huge, sweeping, overbanked curve, giving
riders a chance to catch their breath back, before they hit the 170 foot
top hat; an element with some extreme negative G forces. The name
‘Dodonpa’ comes from the musical sound which is played to customers
waiting to board it.
4. Tower of Terror – Dreamworld, Coomera, Queensland, Australia
Top Speed: 100 mph / 161 km/h
Tower Of Terror is a steel reverse freefall coaster. The six ton
passenger vehicle, is electro-magnetically powered, accelerating its
passengers rapidly to 160.9 km/h (100 mph) in seven seconds. The track
then turns skyward, with the passengers pulling 4.5 G’s. The car climbs
to almost 38 stories high. Following the climb, there is a 6.5 second
free-fall before the 90 degree turn is executed in reverse. The vehicle
then hurtles into the station where it comes to a rapid stop.
5. Superman: The Escape – Six Flags Magic Mountain, Valencia, California, USA
Top Speed: 100 mph / 161 km/h
Superman: The Escape, is probably the most hair-raising of the coasters
listed here. Instead of looping and twisting, the Escape is a straight
track that rises to 41 stories in a matter of seconds and then, after
pausing, drops back down. The ride is L-shaped and accelerates to 100
miles per hour (the first roller-coaster to reach that speed) in 7
seconds. The drop involves 6.5 seconds of weightlessness and when you
drop, you drop backwards.
6. Steel Dragon 2000 – Nagashima Spa Land, Mie Prefecture, Japan
Top Speed: 95 mph / 152.9 km/h
Steel Dragon 2000 is the tallest coaster to utilize a traditional chain
lift. Because of the length of the lift hill, two chains are used – one
for the bottom half and one for the top half. A single chain would have
been excessively long and heavy, at least twice the weight of one of the
trains. As a result, two trains can safely occupy the lift
simultaneously. It debuted only months after Millennium Force and
surpassed the Cedar Point coaster as the world’s tallest
complete-circuit coaster. It also set a record for longest track length –
8133 feet, 2 inches (2479 m).
7. Millennium Force – Cedar Point, Sandusky, Ohio, USA
Top Speed: 93 mph / 149.7 km/h
Debuting in May, 2000, the Millennium Force is one of the highest roller
coasters in the world. It boasts 10 world records. It rises to a height
of 310 feet and travels through Cedar Point Park before crossing on to
an island. During the trip you experience corkscrew turns in dark
tunnels, 300 foot drops, and an 80 degree plummet down its highest
point. The 2 minute 20 second ride covers 13 acres of track.
8. Titan – Six Flags Over Texas, Arlington, Texas, USA
Top Speed: 85 mph / 136.7 km/h
The Titan was built by the same Swiss designers that built the Goliath
but includes extra twists. It has 5,280 feet of track, allowing for more
drops, loops, and corkscrews. After dropping from the 255 foot hill,
you are plunged in to a dark tunnel at the speed of 85 miles per hour.
Titan includes a spiral that creates forces of up to 4.5gs.
9. Goliath – Six Flags Magic Mountain, Valencia, California, USA
Top Speed: 85 mph / 136.7 km/h
Not only is the Goliath the 9th fastest roller coaster, but it also has
the third highest drop and is the seventh tallest (standing at over 20
stories high). It includes a 255 foot drop, at 85 miles per hour,
leading to a tunnel full of smoke. It also includes camel-like humps and
an amazing bunny hop in which riders float off their seats due the
force. It is recognized as one of the most entertaining roller coasters
in the world.
10. Phantom’s Revenge – Kennywood, West Mifflin, Pennsylvania, USA
Top Speed: 82 mph / 131.9 km/h
In 2001, the Phantom’s Revenge was built to replace the Steel Phantom,
which had consistently been ranked in the top five roller coasters in
the world. It includes a 228 foot drop, subterranean tunnel, and reaches
a maximum speed of 82 miles per hour. For the sake of tradition, some
of the features of the Steel Phantom were retained, including the steel
track. Replacing the loops and corkscrew, it now offers an array of
hills and drops. With more than 1400 roller coasters in the world how do
you know which ones to pack into your summer? If you are crazy about
speed then here are ten of the fastest rollers coasters in the world.
The interesting fact about this list is that USA holds seven places in
ten
Source :- http://worldtoptenthings.blogspot.in/2011/09/world-top-10-fastest-roller-coasters.html
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