1 answer

2) A boat of mass 2500 kg has two hydrofoils, each of chord 30 cm and...

Question:

2) 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 CD0-0.08. 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

2) 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 CD0-0.08. 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

Answers

Find Total platform area, 2b 2×0.3 m 1.5 m 0.9 m2 Find Aspect ratio 1.5 m 0.3 m Find Minimum speed, 2W 2x 2500 kg×9.81 m/s 10

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