Kingda Ka Kingda Ka Kingda Ka is a steel accelerator roller coaster located at Six Flags Great Adventure in Jackson, New Jersey. 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. Riders have to be at least tall in order to be able to get on the roller coaster. The train is launched by a hydraulic launch mechanism to in 3.5 seconds. At the end of the launch track, the train climbs the main top hat tower, reaching a height of
SJ X2 it does not consume more power at than older Rc- locomotive hauled trains at . The X2 trains have mostly run the X 2000 service level, but have periodically been used for Linx traffic as well as regional services, for which fewer coaches were used to improve acceleration. Technical data X2 locomotive Technical data X2 passenger coaches Each train also have a UB2X coach with a driver's place, and a URB2 coach with a simple restaurant. In the beginning there were many more UA2 first class coaches than UB2 second class coaches. But after a decision that state employees should