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Corkscrew

Steel Looper at Silverwood Theme Park, Athol, Idaho. Opened 1990.

Height
70 ft
Drop
62 ft
Top speed
46 mph
Length
1,250 ft
Inversions
2
Ride time
1 min 15 s
Designer
Arrow Dynamics

Corkscrew is a steel roller coaster at Silverwood Theme Park in Athol, Idaho. Built by Arrow Development, it opened at Knott's Berry Farm in Buena Park, California, on May 21, 1975, and is considered the first modern roller coaster to turn riders upside down, and the first to do it twice. Knott's sold it to Silverwood in 1989 to make room for Boomerang, and it reopened at Silverwood in 1990.

The train climbs a 70-foot chain lift, takes a short dip and turns into a 62-foot drop before passing through a double corkscrew and returning to the station. The park gives a top speed of 46 mph and 1,250 feet of track.

Riders must be at least 48 inches tall.

Sources

  • silverwoodthemepark.com/rides/corkscrew.php (Park page: make Arrow Dynamics; height 70 ft; top speed 46 mph; 2 inversions; track 1,250 ft; opened 1990; originally opened at Knott's Berry Farm in 1975; first modern inverting coaster, first to take riders upside down twice; 48 in minimum.)
  • rcdb.com/178.htm (RCDB: operating; Arrow Dynamics Corkscrew model; length 1,250 ft, height 70 ft, drop 62 ft, speed 46 mph, 2 inversions; chain lift, double corkscrew; relocated from Knott's Berry Farm.)
  • en.wikipedia.org/wiki/Corkscrew_(Silverwood) (Arrow Development; opened at Knott's Berry Farm May 21, 1975, closed 1989; sold to Silverwood in 1989 to make room for Boomerang; opened at Silverwood 1990; duration 1:15; height 72 ft.)

Numbers are from the ride's manufacturer and park where published; "n/a" means we have not confirmed that number yet. Spotted an error? Tell us.