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Poulies et réas

Une large gamme de poulies à réa simple, double et triple est disponible auprès des principaux fabricants d'accastillage. Que vous souhaitiez étendre vos systèmes actuels ou partir de zéro, toutes nos poulies sont accompagnées d'informations détaillées sur leurs caractéristiques, afin que vous puissiez être sûr qu'elles répondent à vos besoins. En savoir plus...  

  • Général
  • Sigles de mâts
  • Poulies ouvrantes
  • Poulies violon
  • Boîtes à réa
  • Poulies plat pont
  • Poulies de saut de rouf et flip-flop
  • Poulies de drisse
  • Poulies de bastaque / de pataras
  • Anneaux et réas à friction
  • Systèmes de palan d'écoutes de grand-voile
  • Accessoires pour poulie
  • Poulies de point d'écoute
  • Poulies d'écoute et de ris
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Welcome to our Blocks and Sheaves category, where you'll find a comprehensive range of specialist sub-categories tailored to meet the diverse needs of sailing enthusiasts. Understanding the critical differences between sailing blocks and sheaves is essential for selecting the right hardware for your sailing boat and ensuring optimal performance and reliability on the water.


Why do I need sailing blocks and sheaves?


Blocks and sheaves are integral components in sailing rigging systems, aiding in the management and direction of running rigging such as halyards, sheets, and control lines. A block consists of a frame and one or more rotating sheaves (pulleys) through which the rope runs, providing mechanical advantage and reducing friction. Sheaves, on the other hand, are block sheaves sold separately, typically installed in masts for halyard exits or used as replacement sheaves in old blocks, which need replacing due to wear of the sheave or integrated bearings.


How to choose and buy right sailing blocks and sheaves?


Choosing the correct block size for your sailing boat involves considering several factors. Firstly, assess the load requirements based on the specific application, such as mainsheet or spinnaker control. The block's safe working load (SWL) should comfortably exceed the expected load to ensure safety and durability. Additionally, consider the rope diameter compatibility, ensuring the sheave groove accommodates the rope size used onboard. The block size should also match the hardware and fitting points on your boat to avoid misalignment and excessive wear.


Another crucial aspect of block performance is the type of bearing system used. Different bearing systems significantly impact the block's efficiency and load capacity:

  • Plain Bearings: These are simple and durable, ideal for applications with moderate loads and low-speed movements. They offer good reliability and minimal maintenance.
  • Ball Bearings: These provide excellent performance for high-load and high-speed applications, reducing friction and making the block easier to handle under load. They are ideal for halyards and sheets that require frequent adjustments.
  • Needle Bearings: These are designed for extreme loads and minimal friction, offering superior performance in high-load scenarios. They are often used in critical applications where load distribution and minimal friction are paramount.


Our Sailing Blocks and Sheaves category is organized into several key sub-categories to help you find the perfect fit for your needs:

  1. Pulley Blocks: Versatile and robust, these blocks are suitable for a wide range of applications, offering reliable performance for most sailing tasks.
  2. Snatch Blocks: Designed for easy and quick attachment to lines under load, snatch blocks are ideal for temporary rigging adjustments and handling high loads.
  3. Foot & Cheek Blocks: Mounted directly to the deck or mast, these blocks provide fixed routing for control lines, ensuring efficient line management and minimal friction.
  4. Low Friction Rings: Offering minimal friction and high strength, low friction rings are perfect for high-load applications where traditional blocks may be too bulky or complex.


In summary, our Blocks and Sheaves category offers a diverse selection of high-quality hardware designed to enhance your sailing experience. By understanding the differences between blocks and sheaves, and considering the bearing systems, you can confidently select the right equipment for your specific needs, ensuring optimal performance and reliability on the water. 

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