Hmmmm..one last attempt. Futile I know..but what the heck!
So, here i stated:
Do you understand this? From your replies, it appears not.
So very over simplistic basic hydrodynamics for you. All in one simple graph, well two actually.
Here, is the change in resistance with a varying LD ratio.
View attachment 104572
You'll see the more slender the hull the lower the resistance.
And here (graph number two):
View attachment 104571
You can see the effect of beam to draft ratio. The reason why there is a
waffer thin mint's difference between them is...yup...the LD ratio.
But then if wish to start deviating away from pure numbers/theory and go into real practical hydrodynamics, then beam is the key to a successful boat, shown here:
View attachment 104573
So as the beam increases the stability of the boat increases. Ego, the more narrow the hull the greater the propensity to capsize. Not good!
If you wish to look into the theory of "something" related to a singular discipline of hydrodynamics, then feel free to read up and the voluminous amount of material. It gets heavy but explains all and it is not a 5min read either.
However, if you wish to delve into practical hull design with the end results a vessel on the water, not on paper alone, it is a holistic approach. Since not one single discipline related to a design is perfect. A successfully designed vessel is greater than the sum of it individual parts. Ergo it is all a compromise - often because each discipline is working at variance with the others. Focus on one issue...and you'll get lost, totally, and not understand comments like those from Leo et al. Take a step back and look at the whole picture....then the light starts to shine through...or should!
