Knott's Corkscrew was the first modern roller coaster to send riders upside down, inverting them not once, but twice. Designed by Ron Toomer and Arrow Development, this revolutionary roller coaster stood seven-stories tall and featured two back-to-back Corkscrew inversions in the "double out and back" layout. Corkscrew was the signature attraction of the expanded Roaring 20s area of Knott's Berry Farm. On September 17, 1989 the park closed the Corkscrew to make way for a "bigger, more thrilling" roller coaster. However, this famous coaster rides on at its second home, 1,263 miles away, in Athol, Idaho – Silverwood Theme Park.
Inversions: Double Corkscrew
Knott's purchased the prototype that was assembled at Arrow Development's facility in Clearfield, UT.
September 17, 1989 – Corkscrew ends its run at Knott's. The roller coaster is dismantled and relocated to Silverwood (Athol, ID) and renamed Gravity Defying Corkscrew.
Opening date: May 21, 1975
Estimated cost: $1 million
Train has six cars with two rows each, seating two abreast per row.
Height requirement: Riders must be at least 48 inches tall
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