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Roller Coaster: Zonga
Amusement Park: Six Flags Discovery Kingdom (Vallejo, California 94589 USA)
Classification: Roller Coaster
Type: Steel - Sit Down
Status: Operated from 4/25/2003 to 2004
SBNO from 2005 to 2006
Relocations: Gröna Lund as Thriller
Six Flags AstroWorld as Texas Tornado
Six Flags Discovery Kingdom as Zonga
Isla San Marcos Parque Temático as Tsunami
Builder: Schwarzkopf
Designer: Ingenieur Büro Stengel GmbH
Capacity: 720 riders per hour
 
Length: 3675' 
Height: 115' 
Drop: 98' 
Inversions: 4 
Speed: 54 mph 
Max Vertical Angle: 70 Degrees 
Elements: 91' 6" tall Loop
80' 7" tall Loop
56' tall Loop
48' tall Loop
 
 
Trains: 5 cars per train. Riders are arranged 2 across in 2 rows for a total of 20 riders per train.
 
History: Originally purchased by German showman Oscar Bruch.  It debuted as the Thriller on May 17th, 1986 at the fairground in Freiburg, Germany.  For the next 11 years it mostly traveled the German fair circuit.
Etymology: Zonga is Swahili for "coil" or "loop".
History: When the Thriller was moved from Six Flags Astroworld to Six Flags Marine World, some track modifications were made by Premier Rides. The most significant was increasing the elevation of the first two loops. The affect of this change would be reducing the Thriller's top speed and lowering the g-forces during the first two loops.
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