How mooring ropes are secured? To stop a large ship quickly, this worker actually carried the thin-necked mooring line and looped it onto the thin-necked bollard.
While his operation was smooth, this method of securing the mooring line is actually incorrect. Once the mooring line is secured, the tension at the moment of tightening can reach a terrifying 100 tons. At this point, the mooring line will experience violent vibrations, and if it breaks, the released elastic potential energy is comparable to that of a small artillery shell.
The correct procedure is for the crew to perform a lead-in operation before mooring. This involves throwing or launching a thin lead-in line to pull the main mooring line to the thin-necked bollard. After securing it, a winch is used to tighten the mooring line and control the tension.
Although the mooring lines of small boats are thinner and can be stopped closer to the dock, so crew members usually manually wind the lines to stop them. However, the tension of a small boat’s mooring line can still reach over 30 tons, making it extremely dangerous to stand nearby.
Furthermore, some ships engaged in maritime trade even get their mooring lines tangled with those of oncoming vessels while sailing. However, this approach is actually very risky, and accidents can happen if one is not careful.
In summary
Securing a vessel is not just about tying it to the dock. It’s about applying engineering precision and understanding dynamic forces. The strength and reliability of mooring ropes safeguard both ships and people at every port.
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