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I would be very much surprised if you manage to calculate MSI empirically! That is a complete seakeeping analysis, so one formula can't supersede the hours and hours of calculations.. Good luck

You are welcome!

In general, the hull form with hard chine (knuckle) is indeed used for the planning hulls, but it can, and it is used in semi-displacement and displacement hulls as well. For displacement hulls, it is usually used as a developable surface to decrease the building costs; if the knuckle is not...

That 'flooding' isn't sign of mistake, checked with Maxsurf.. Thanx

Hello, I've made model in maxsurf and all surfaces are joined correctly. In hydromax rendering of model shows flooding even though all surfaces are correctly joined. After Equilibrium calculation Sectional Area Curve shows graph without any unexpected spikes or hollows, results in large angle...

Hi ! I'm naval architect from Croatia with 7 years of working experience. I've worked in shipyard BrodoTrogir d.d. and small design office Water Line Ltd. I've passed through designing of fishing boats, powerboats range 20'÷78', motor yacht 54m i 73m, midship section of trimaran 50m, I've done...

Disp. draft Very nice job Tommy ! I like it very much, thanks for everything you gave us in your post. You said your boat goes average 23 knots, I assume with 85% max HP ?! Could you tell me what displacement boat had on sea trial (while its speed was 23kn) and its draft...

Hi ! Your KG is to low, my suggestion is to take assumption of cca.0.75 of Depth, that gives for your design KG=2.55m. For stability check you need to go in Analysis menu , than in Criteria and in Criteria you set on IMO A.749(18) Ch.3 Code on Intact Stability. Read manual of Hydromax for...

You are student of naval architecture ? If you are I'm sure you talked about calculation of center point... If you don't have much time you can predict KG with percent of height. Attach sketch of your design with given height and I'll give you KG.

Hi ! Safety regulations require GMt, but you didn't give KG (KG 0 mm) so Maxsurf GM isn't real. ! GMt=KMt-KG !!! :!: You must predict or calculate KG of your motoryacht design. Good luck ;)

Redesign of San Marco for Euroyacht Initial design Srdan Dakovic

Redesign of San Marco for Euroyacht Initial design Srdan Dakovic

Redesign of San Marco for Euroyacht Initial design Srdan Dakovic

Redesign of San Marco for Euroyacht Initial design Srdan Dakovic

Coastal fun trimaran

Coastal fun trimaran

Coastal fun trimaran

Coastal fun trimaran

From CRS: GROSS TONNAGE The gross tonnage (GT) of a ship shall be determined by the following formula: GT = K1 ⋅ V where: V = Total volume of all enclosed spaces of the ship in cubic metres, calculated in accordance with the requirements referred to in 2.9, K1 = 0,2 + 0,02log10...

There is a very good chine explanation in the book "Principles of Yacht Design" Lars Larsson & Rolf E Eliasson