Zierer is the company that has built the "Knightmare" at which Lancashire theme park?
Zierer Zierer Karussell- und Spezialmaschinenbau GmbH & Co. KG (Short name: Zierer) is a German company located close to Deggendorf. Zierer manufactures Tivoli and Force line of roller coasters, as well as panoramic wheels, wave swingers, flying carpets, "Hexentanz" and "Kontiki" rides. The company also has partnered with Schwarzkopf to build "Lisebergbanan" at Liseberg and "Knightmare" at Camelot Theme Park.
Ripsaw (Alton Towers) Ripsaw was a Top Spin ride at Alton Towers theme park in Staffordshire, England. It opened in 1997 and closed at the end of 2015.