Rising Towers Escalate Need for Faster Lifts

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Rising Towers Escalate Need for Faster Lifts
Shanghai Tower
Rising Towers Escalate Need for Faster Lifts
Shanghai Tower

When Shanghai Tower opens as China’s tallest building next year, the 2,073-foot (632 m) tower will feature elevators capable of traveling 40.3 miles (64.8 km) per hour, or 59 feet (18 m) per second, a new milestone. That bests the 55.1 feet (16.8 m) per second achieved by the elevators in the current record holder, Taipei 101 in Taiwan, which was completed in 2004.

But Shanghai Tower likely will not hold the title as world’s fastest for long. Builders of the Guangzhou CTF Finance Centre, which is scheduled to open in 2016 in Guangzhou, China, have promised elevators capable of traveling 66 feet (20 m) per second, or 45 miles (72 km) per hour. The elevators will take passengers from the first floor to the 95th floor in about 43 seconds.

The question facing the industry today: how fast can elevators go without sacrificing comfort?

“This is a new day,” says Steve Edgett, partner in Edgett Williams Consulting Groups, which works on elevator designs. “We’re in uncharted territory.”

Some analysts believe mankind may be close to the limits of elevator speeds using modern technology.

“I think there is a limit, not to building, but what we can do efficiently,” says Johannes de Jong, head of technology for Finland-based Kone Elevators. ….

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