There was a time when lifthills were not just commonplace on coasters; they were compulsory for a working ride. A train travelling up a lifthill was the only way to gain enough momentum to complete the circuit- that was, until 1978 when Montezooma’s Revenge opened at Knotts Berry Farm in California, the first coaster toContinue reading “Tall and Speedy: the story of the Intamin Accelerators”