Engineering, 17.04.2020 02:34 byler47

The centerboard on a sailboat is 2.8 ft long parallel to the flow and protrudes 7 ft down below the hull into seawater at 20°C. Using flat-plate theory for a smooth surface, estimate its drag if the boat moves at 12 knots. Assume Rex, tr = 5E5. Round the final answer to three decimal places.

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The centerboard on a sailboat is 2.8 ft long parallel to the flow and protrudes 7 ft down below the...