fairlead

Thân thiện

A sailor guides a rope through a fairlead on the ship's deck.

Definition

Noun: A fitting or device, often containing a sheave (pulley) or a smooth surface, used to guide a rope, cable, or chain in a way that changes its direction while minimizing friction and preventing chafing or wear against other structures.

Usage

A fairlead is a specialized piece of hardware used primarily in maritime, rigging, and towing contexts. Its core function is to provide a controlled, low-friction path for a line, ensuring it runs smoothly and safely without damaging itself or the surrounding equipment.

Examples

• Noun:
  • The crew ran the mooring line through the fairlead on the bow to secure the boat to the dock.
  • Ensure the tow strap passes through the fairlead on the front bumper to prevent it from rubbing against the bodywork.
  • On a sailing yacht, the jib sheet is often led through a fairlead on a track to adjust the sail's angle.

Advanced Usage

• "To lead something fair": This is the verbal concept from which the noun originates. It means to guide a rope in a straight, untangled, and friction-minimized run.
  • Before hoisting the sail, the first mate made sure to lead the halyard fair through the deck blocks.

Variants and Related Words

• Fairleader (n): An alternative, less common term for a fairlead.
• Fairlead block (n): A fairlead that incorporates a pulley or sheave.
• Roller fairlead (n): A type of fairlead using rotating rollers to guide a wire rope, commonly used on winches for off-road vehicles.
• Hawk's eye (n): A specific type of fairlead with multiple holes, used on sailing ships to separate different lines.

Synonyms

• Guide (n): A general term for a device that directs the course of movement.
• Block (n): A pulley housed in a casing, which can serve as a fairlead.
• Chock (n): A heavy fitting for guiding mooring lines, often acting as a type of fairlead.

Related Phrases

• "To reeve through a fairlead": To thread or pass a rope through a fairlead.
  • You must reeve the new line through the fairlead before connecting it to the winch.
• "Fairlead position": The specific location where a fairlead is mounted, which is critical for optimal line control.
  • Adjusting the fairlead position on the track can significantly improve sail trim.

Học thuật

Noun

1. a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing