there is a tug boat need to naturalization abs classification. which abs rules should i see?
Hello guys: there is a Ro-ro passenger,it has two propellers,the structure around the propeller is not casting parts,Part of the propeller...
i just now calculate the wind pressure accrodance with abs rules(american bureau of shipping) equation : P = f Vk^2 Ch Cs N/m2 (kgf/m2, lbf/ft2)...