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Viper (Six Flags AstroWorld)

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Enjoy the ride!
roller coaster
Viper (Six Flags AstroWorld).jpg
Six Flags AstroWorld
Location Houston, Texas, USA
Status Defunct
Operated 1989-October 5, 2005 (Six Flags AstroWorld)

1981-1988 (Six Flags St. Louis)

Manufacturer Schwarzkopf
Designer / calculations Ing-. Büro Stengel GmbH
Type Steel
Model / product Looping Star
Riders per train 28
Hourly capacity 1700
Propulsion Chain lift hill
Area 252.6 feet × 103.3 feet
Height80.4 feet
Top speed47.8 mph
Length1,942.3 feet

Viper was a Schwarzkopf steel looping roller coaster located at Six Flags AstroWorld in Houston, Texas, USA. It originally opened at Six Flags St. Louis under the name Jet Scream, but was relocated after the 1988 season. It was closed and demolished with the park in the fall of 2005.



The ride featured a single loop and two tunnels.


2 trains with 7 cars per train. In each car, riders are arranged 2 across in 2 rows for a total of 28 riders per train.

Colour scheme[edit]

The ride was painted blue when it originally opened, but it was painted green when it was relocated.