design boat seaworthiness Hull design & seaworthiness . the boat is even steadier under way at sea, due to the naturally stabilising effects of the keel and rudder at speed.. Seacraft boats categories seacraft boats center console ... various tests indicating the seaworthiness of the "tumblehome" design Voskhod (hydrofoil) - wikipedia This new thread is a split-off from the thread traditional "rule of thumb" methods, as i don't want to distract that thread with a lot of viking.... Quote: origina