Spain's Tilt Train Is A Low Tech Oldie That Keeps On Rollin'
As the Swedish tilt train chugs along on its national demonstration tour, the makers of Spain's rival tilt train are feeling jealous about all the publicity. Tilt trains increase passenger comfort on curves by leaning into them. Sweden's X2000, from ABB Asea Brown Boveri, does it with sensors that trigger hydraulic lifts when a car heads into a turn at high speed. It works, but it's expensive. Spain is pushing an older, cheaper generation of tilt trains that employ the principle of the pendulum. The passenger compartments are connected to the outer frame by springs. When the train turns a bend, the compartments naturally lean toward the inside of the curve.
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