>>7307530 PB LB
Not Q, but I can help. Research the windings used on bridge cabling.
The outer spiral "strand" disturbs the airflow around the cable reducing wind induced sway and motion, reducing stresses. Same exact principal on chimneys.
>>7307530 PB LB
Not Q, but I can help. Research the windings used on bridge cabling.
The outer spiral "strand" disturbs the airflow around the cable reducing wind induced sway and motion, reducing stresses. Same exact principal on chimneys.