4. Kingda Ka
Six Flags Great Adventure
Kingda Ka — long-lived in the world of roller coasters, but still remains the highest slides in the world with a dizzying record of 139 meters. However, due to its history in the attraction there are many problems.
In 2005, the roller coaster come upon a variety of mechanical damage, affected the starter motor and the cable system. Fortunately, the problem has been eliminated, but in 2009, Kingda Ka was struck by lightning, causing new damage. Now that’s really scary …
Kingda Ka is a steel accelerator roller coaster located at Six Flags Great Adventure in Jackson, New Jersey, United States. It is the world’s tallest roller coaster, the world’s second fastest roller coaster, and was the second strata coaster ever built. It was built by Stakotra, a subcontractor to Intamin.
The train is launched by a hydraulic launch mechanism to 128 miles per hour (206 km/h) in 3.5 seconds. At the end of the launch track, the train climbs the main top hat tower, reaching a height of 456 feet (139 m) and spanning over a 3,118-foot-long (950 m) track by the end of the ride.