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Montagne Russe: Extremeroller (5/31/1983 to 1988)
EXT (5/31/1983 to 1988)
Screamroller (1976 to 1982)
Parc d'Attractions: Worlds of Fun (Kansas City, Missouri, USA)
Classification: Montagne Russe
Type: Acier - Sit Down
Statut: Defunct
Operated from 1976 to 1988
Relocations: Worlds of Fun as Extremeroller
Formosa WonderWorld as Spiral
Make / Modèle: Arrow Dynamics / All Models / Corkscrew
Capacité: 1800 Personnes par heure
 
Longueur: 1250' 
Hauteur: 70' 
Inversions: 2 
Vitesse: 50 mph 
Durée: 1:10 
Elements: Double Corkscrew 
 
History: For the 1983 season standup trains were put on the Screamroller's track and the ride was called the Extremeroller or E.X.T.  This made the Extremeroller the first looping standup roller coaster in North America.  After a few years, the original sitdown trains were reinstalled while keeping the Extremeroller/E.X.T. name.
Facts: ACE (American Coaster Enthusiasts) has the standup trains in storage.
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