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Why are the risers on an escalator so much higher than on a standard staircase?

The riser (the vertical part) of a normal household stairway is rarely more than 9 inches high. The riser of an escalator is generally around 12 inches. You'll notice this any time you have to walk up an escalator which has been turned off.

Why are the risers so much taller?
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  • Asked by EvilTony
  • on 2010-10-07 22:08:05
  • Member status
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Categories: Environment.

Tags: height, stairs, Escalator, riser.

 

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What requires more calories: walking up steps or a slope?

A pathway in my neighbourhood splits at an incline into both steps and a slope. Which option requires more calories to walk up or down?

Yonatan Silver, Jerusalem, Israel

(Image: Pat-swan, stock.xchng)

 media

Editorial status: In magazine.

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Last edited on: 2009-11-25 15:47:10

Categories: Human Body, Animals, Transport, Unanswered.

Tags: walk, stairs, steps, slope, uphill.

 

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