Vortex is a stand-up roller coaster at California’s Great America. It has a different layout but is generally the same size as Vortex at Carowinds. It was Bolliger & Mabillard’s second coaster after Iron Wolf at Six Flags Great America and officially opened on March 9, 1991. The coaster currently has a paint scheme of purple … Meer lezen over Vortex (PGA)