NS 345 W4D2 Environmental Forces (wind and current)

All about wind and current forces, how to roughly calculate and what that actually means.
The Pentagoet measurement.

[@user-tq4fr5lt2t]

THANK YOU SIR. THE ANSWER I SEARCH TWO YEARS . BUT NO FIND. NOW I TEACH MY SON. THANK YOU VERY MUCH.

[@samteel4848]

You are most welcome