Zero-g stall - Coasterpedia - The Roller Coaster Wiki

A zero-g stall is a roller coaster inversion.

While travelling uphill, the track rotates 180 degrees - fully inverting riders. The track then levels out and while travelling downwards, the track rotates 180 degrees again but in the opposite direction.

The element has been featured on four roller coasters, all built by Rocky Mountain Construction:

Goliath at Six Flags Great America
The Joker at Six Flags Discovery Kingdom
Steel Vengeance at Cedar Point
Wildfire at Kolmården Wildlife Park

The first all-steel roller coaster with a zero-g stall, Steel Curtain at Kennywood, will open in 2019.

Similar inversions[edit | edit source]

The Top Gun stall is very similar to the zero-g stall, the only difference being that the track twists in the same direction during the entrance and the exit of the element.

Thrill elements
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Inverting	Banana roll • Barrel roll • Barrel roll dropdown • Batwing • Bent cuban eight • Bowtie • Butterfly • Cobra loop • Cobra roll • Corkscrew • Cutback • Demonic Knot • Dive drop • Dive loop • Dive roll • Diving turn • Dog tongue • Double dip • Double inverting stall • Drachen fire dive drop • Finnish loop • Fly to lie / Lie to fly • Flying snake dive • Heartline roll • Immelman • Inclined dive loop • Inclined loop • In-line twist • Interlocking corkscrews • Interlocking loops • Lagoon roll •Negative-g stall loop • Norwegian loop • Pretzel knot • Pretzel loop • Raven turn • Reverse cobra roll • Reverse sidewinder • Roll over • Saxophone • Scorpion tail • Sea Serpent • Sidewinder • SkyLoop • Step-up under flip • Tongue • Top-Gun stall • Twisted horseshoe roll • Vertical loop • Wing over • Zero-g roll • Zero-g stall • Zero-g winder
Non-inverting	Double down • Hammerhead turn • Helix • High five • Hill • Horseshoe • Jr. Immelmann • Kickflip • Non-inverted loop • Over-banked curve • Over-banked pretzel knot • Pretzel curve • Splashdown • Stengel dive • Switch track • Tilt section • Trick track • Triple dip • Tunnel • Turntable • Twisted top hat • Vertical drop track • Vertical spike • Vertical spiral • Water brakes • Wave turn
Variable	Top hat
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