Your vessel is required to warp up the dock twenty feet for better crane alignment. Which lines are the most essential to move the vessel forward?
⢠Line functions when mooring: breast lines vs. spring lines vs. stern lines ⢠How spring lines control fore-and-aft movement along a dock ⢠Effect of changing tension on different lines when you "warp" a vessel ahead or astern without using engines
⢠When you want to move the vessel forward along the dock without using the engine, which lines resist that forward motion, and which lines can be used to pull the vessel ahead? ⢠Think about which lines run roughly parallel to the dock versus those that run perpendicular to it. Which orientation is most effective for shifting the ship forward or aft? ⢠If you slack some lines and heave on others to move ahead 20 feet, which specific group of lines must remain effective to control and create foreāandāaft movement?
⢠Identify which lines primarily control foreāandāaft movement (ahead/astern) versus athwartship movement (in/out from the dock). ⢠Verify which set of lines you would heave on to "walk" the vessel forward along the pier, not just hold it in place. ⢠Confirm that the lines you choose run at a shallow angle along the dock rather than directly in or out from the dock.
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