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Rollback (roller coaster)
Instances where launched roller coasters do not reach intended points / From Wikipedia, the free encyclopedia
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A rollback occurs on a launched roller coaster when the train is not launched fast enough to reach the top of the tower or hill. It will roll backwards down the tower, and will be stopped by brakes on the launch track. Any roller coaster on which it is possible for a rollback to occur will have these brakes. Intamin, a manufacturer of roller-coasters, refers to the "rollback" as a "short shot".[1]
![]() | This article's lead section contains information that is not included elsewhere in the article. (January 2023) |
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Most coasters contain at least one anti-rollback device to prevent a train from rolling backwards while ascending the main lift. This is typically with chain-driven lifts, not hydraulic launchers such as Kingda Ka.