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| Your vessel is drifting with the wind broad on the port beam. The marconi sail is set and flapping free. As you sheet in the maximum drive is attained when the sail __________. |
| A) is at right angles to the true wind |
| B) is 45° from the apparent wind |
| C) first takes the shape of an airfoil |
| D) is filled with a slight flap at the leech |
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