![]() This would be one way to greatly increase range. ![]() Since the powering requirements or rather, power required, to move the vessel at the same or faster speeds is not as great, it seems to me that naval or merchant/container ships could benefit from having fins and underway blowable ballast tanks gradually decrease their wetted surfaces if the sea states are permitting and no sudden or constant and large ruder angles are ordered. ![]() I explored various powering, prop diameters, and so on, but when I manually changed the draft as part of resistance calcs, and manually as part of powering calcs, I could appreciate that going from 8 meters to 6 meters and (hopefully the stability criteria not violated dangerously), the resistance drops significantly. It seems to me, from exploring and using Freeship, that, changing the draft as part of the iterative or regression steps would be really useful. ![]()
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