original photograph by

A picture of
Go to Ragnar's CN Tower Weeb Page
A picture of the
CN Tower
in construction

The sway and vibration of the mast, caused by winds of varying intensifies, is controlled by two dampers or absorbers, one at the 1,600-loot level and the other 50 feet higher. Designed by a team of young Canadians, the dampers are finely tuned to two different frequencies and operate in the opposite direction to the motion of the tower and mast.

 

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2006 December 28