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For the uninitiated, here’s a quick glossary of terms:
Airtime: That floating feeling of weightlessness created by negative G forces.
Camel Back: A series of hills—often at the end of a ride—designed to give more airtime.
Cobra Roll or Boomerang: A double inversion where the car twists and goes up and back on the same track.
Corkscrew or Barrel Roll: A twisted inversion that looks like…a corkscrew.
4D: When the cars—like those on X2—are designed to flip on a horizontal axis independently of the track.
G Forces: Negative G’s give you that airtime floating sensation found on top of hills; positive G’s pull riders downward, like during inversions and high-speed turns.
Shuttle Coasters: A coaster that goes forward and reverse on the same track.
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