Kerry Hansen wrote:
https://www.google.com/search?sxsrf=ALeKk00aSOsor7jOcBY4O3MLjyN6_pNF6Q:1596751837644&q=how+to+determine+the+weight+of+a+fly+rod&sa=X&ved=2ahUKEwjyyc6QzIfrAhXwHjQIHddMBmQQ1QIoAnoECA0QAw&biw=1207&bih=505
I vaguely remembered something like that but was thinking 25 or 30%. Thanks for the refresher.