How much does an aircraft carrier's anchor chain weigh?

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Update time : 2024-12-06

Taking the USS Enterprise, the first aircraft carrier in the United States, as an example, the required displacement is around 70,000 dun, and the weight of the anchor alone reaches 20 tons. The Nimitz-class aircraft carrier has a maximum displacement of 90,000 dun, and its anchor chain net weight is 27 tons.


The anchor of the aircraft carrier has a multi-axis built at the end of the prestressed anchor cable. The anchor body can rotate and has a stronger gripping effect than the traditional army anchor in half. When hiding, you only need a smaller power machine, and you only need to move the aircraft carrier to the lower left of the PS pen to lift the anchor.


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When anchoring, the aircraft carrier's digging depth at the anchorage site generally cannot exceed half a meter. If the aircraft carrier digs deeper than 160 meters, it is best not to anchor. The anchor is lowered from the lower side of the bow. Generally speaking, the anchor cannot be released from the lower side of the berth, but the cable hoist is used instead. The first judgment is on the berthing principle: "Left berth" or "Right berth". You can't "lean to the right" without lowering the left anchor, and you can't "lean to the left" without lowering the right anchor, unless the ship's bulbous nose sonar dome will crush the anchor chain. Generally speaking, aircraft carriers anchor at a distance of more than 500 meters from the yard. The two claws of the main anchor are combined with the anchor stem, and are pushed underwater by the thrust of the aircraft carrier. After the anchor is stable, the anchor chain is loosened and the anchor chain is thrown with a certain weight.


When lifting the anchor, you have to use the windlass to pop up the anchor. Generally speaking, a hydraulic press is used to drive the windlass to rotate rapidly and the anchor chain jumps up. The anchor chain does not necessarily get entangled with the windlass , but falls into the anchor chain compartment. . Continuously, water was added to the front of the aircraft carrier anchor chain picc pipe to penetrate the anchor chain to prevent mud from blowing into the anchor chain compartment. The anchor cannot be bounced by the aircraft carrier. The aircraft carrier is ready but does not use the power machine. The thrust of the anchor drives the aircraft carrier to run for medium and long distances. When it flies to the anchor position, the anchor stem is bounced, and the anchor is continuously driven to tilt to the left and released. Under water, under the effect of the pressure of the anchor crown, the anchor claw is hidden towards the anchor stem and added to the anchor position.

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