A fourth-dimension roller coaster is a type of steel roller coaster where riders are rotated independently of the track's orientation about a horizontal axis perpendicular to the track. This feature a
'X2' (formerly 'X') was the first fourth-dimension roller coaster in the world.
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Inferno.inversió
X2 (roller coaster)
Videos
X2 is a steel roller coaster at Six Flags Magic Mountain in Valencia, California. It was the world's first fourth-dimension roller coaster and was the final roller coaster installed by ride manufactur
An overview of the track when the ride was known as X.
One of the new trains during testing