DDrift

Chapter 01 of 5

A Lift Without a Net

Why nobody trusted a lift, and the brake idea that fixed it.

  1. The Fear

    A Rope and a Prayer

    Before the mid-1800s, a single rope held up a hoist platform. If it snapped, nothing stopped the fall.

  2. Ancient Lifts

    Lifts Are Old

    Hoists date back to ancient times. Roman arenas, including the Colosseum, used lifts worked by people and animals to raise beasts onto the stage.

  3. Muscle Power

    Hands, Hooves and Water

    For centuries, hoists were powered by people, animals or water wheels.

17 more cards in this chapter

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What was Elisha Otis's key safety idea?

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πŸ›— Who Stops the Elevator?

  1. 01A Lift Without a NetWhy nobody trusted a lift, and the brake idea that fixed it.
  2. 02All Safe, GentlemenThe stunt that sold the elevator, and the first lift in a shop.
  3. 03The Invisible BrakingCounterweights, governors and wedges: the safety systems you never see.
  4. 04Up and UpHow safe elevators raised skylines and flipped the value of the top floor.
  5. 05The Brain in the ShaftWhy elevators skip you, how dispatch systems think, and what comes next.