Catamaran resistance calculation. Length (L) m Breadth (B) m Volume (V) m3 Bridge (c) m Draft (T) m WtSurface (S) m2 * Water density (r) t/m3 Temperature (t) °C * Wetted surface will calculated if field is empty.





Catamaran towing resistance. m/s km/h knots Resistance, kN 3.841 13.826 7.465 1.665 4.801 17.283 9.332 2.699 5.761 20.739 11.198 4.149 6.721 24.196 13.065 6.556 7.681 27.652 14.931 9.542 8.641 31.109 16.797 11.316 9.601 34.565 18.664 11.827 10.562 38.022 20.530 12.878