(Solution) - A boat of mass 2500 kg has two hydrofoils -(2025 Original AI-Free Solution)

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A boat of mass 2500 kg has two hydrofoils, each of chord 30 cm and span 1.5 meters, with CL,max = 1.2 and CD? = 0.08. Its engine can deliver 130 kW to the water. For seawater at 20°C, estimate
(a) The minimum speed for which the foils support the boat, and
(b) The maximum speed attainable.