Blackpool Pleasure Beach and Alton Towers both opened Zierer ‘4 Man Bob’ coasters in 1984 and 1985 respectively. Alton Towers used the production name for their ride, the Pleasure Beach ride was located in the dark and was named Space Invader
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The Dragon Flyer at Camelot was one of only two roller coasters in the world to be powered by an internal combustion engine.