Corkscrew is the name of an Arrow Dynamics

Arrow Dynamics

Arrow Dynamics was a roller coaster and amusement ride design company based in Clearfield, Utah, United States. In 2002, the company went bankrupt but was quickly bought by fellow amusement ride manufacturer S&S Power to form S&S Arrow. During its peak, Arrow Dynamics was responsible for some of...

 roller coaster

Roller coaster

The roller coaster is a popular amusement ride developed for amusement parks and modern theme parks. LaMarcus Adna Thompson patented the first coasters on January 20, 1885...

 formerly located at Knott's Berry Farm

Knott's Berry Farm

Knott's Berry Farm is a theme park in Buena Park, California, now owned by Cedar Fair Entertainment Company, and a line of jams, jellies, preserves, and other specialty food, now part of The J. M. Smucker Company based in Placentia, California....

 and currently located at Silverwood. Developed by Ron Toomer of Arrow Dynamics

Arrow Dynamics

Arrow Dynamics was a roller coaster and amusement ride design company based in Clearfield, Utah, United States. In 2002, the company went bankrupt but was quickly bought by fellow amusement ride manufacturer S&S Power to form S&S Arrow. During its peak, Arrow Dynamics was responsible for some of...

, a Utah based design firm, the "Corkscrew" was the first steel inverting roller coaster open to the public.

Many identical clones of "Corkscrew" were built. rcdb.com lists at least 13 different clones built. Clones of note include the Screamroller at Worlds of Fun, which briefly operated as America's first Stand-up Roller Coaster, and the Canobie Corkscrew, which previously operated at Old Chicago indoor amusement park as the Chicago Loop.

Historical achievements

When Corkscrew first opened at Knott's Berry Farm, it achieved two things of historical significance. Corkscrew was not only the first modern inverting coaster in the world, but it also was the first roller coaster to take riders upside down twice.