Lifts Will Reach Over 1km Using New Skyscraper Technology

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A new elevator has been designed to reach 1,000m or higher in a single trip which is double the previous limit.

Engineering company KONE has announced  a completely new hoisting method that eliminates the disadvantages of conventional steel rope which is known as the "UltraRope". This new elevator technology is set to break industry limits and enable future travel heights of 1,000m (3,280 ft) which is twice the distance currently feasible. It opens up a world of possibilities in high-rise building design.


Currently the world's tallest building of 830m (2,722 ft), well known as The Burj Khalifa, requires passengers to switch lifts to go above the 500m mark. But lifts in the next generation of supertall towers  such as Jeddah's Kingdom Tower – could use this new technology to zoom to the top in one go.

"UltraRope is one of the biggest breakthroughs since the advent of the [Otis] safety elevator 150 years ago. The biggest limiting factor in building higher until now has been the steel rope weight
 and we have reached the limit of that technology at 500 metres."


KONE UltraRope and machine

The UltraRope is Comprised of a carbon fiber core and unique high-friction coating which makes it extremely light so that elevator energy consumption is cut by 11 per cent. The drop in rope weight means a dramatic reduction in moving masses – everything that moves when an elevator travels up or down, including the hoisting ropes, compensating ropes, counterweight, elevator car and passenger load. Due to the significant impact of ropes on the overall weight of elevator moving masses, the benefits will increase exponentially as travel distance grows.


The UltraRope is extremely strong and highly resistant to wear and abrasion. Elevator downtime caused by building sway is also reduced as carbon fiber resonates at a different frequency to steel and most other building materials. It has an exceptionally long lifetime which is twice as that of conventional steel rope and its special coating requires no lubrication to maintain it, enabling further cuts in environmental impact. All of this adds up to unprecedented eco-efficiency, durability and reliability in future high-rise elevator travel.

KONE President and CEO Matti Alahuhta said "We are proud to introduce this innovation that we are certain will revolutionise the elevator industry for the tallest segment of buildings across the globe. The benefits of KONE UltraRope versus conventional elevator hoisting technologies are numerous and indisputable."




UltraRope has been developed and tested rigorously both in real elevators and simulation laboratories at KONE's research and development facilities in Finland. Since 2010, it has been tested in operation at the world's tallest elevator testing laboratory, KONE's Tytyri facility built over 300 metres underground adjacent to an active limestone mine. Properties like tensile strength, bending lifetime, and material aging are just some of the qualities that have been measured.












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