Quite some talk about being streamlined, balanced, efficiency,using the whole body etc.
Where do you not agree? (except the use of a 6bk)
By the way, I see you are a technique interested coach, with a lot of genuinly satisfied customers it seems.
As an engineer, I am also quite interested in solving and analyzing the whole swimming puzzle. Any feedback on my thoughts of optimal swimming which I post here and there is apreciated, if its based on sound arguments.