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Blue Shark 2311-57 mm Fixed Double Aluminum Sailing Block - Max Line: 716 12 mm, Safe Working Load SWL: 1980 lbs 900kg, Breaking Load: 4180 lbs 1900 kg
Experience unparalleled performance and durability with the Blue Shark 2312 - 57mm Fixed Double Sailing Block.
Blue Shark 2311-57 mm Fixed Double Aluminum Sailing Block - Max Line: 716 12 mm, Safe Working Load SWL: 1980 lbs 900kg, Breaking Load: 4180 lbs 1900 kg
Item #: 85906716

Blue Shark 2311-57 mm Fixed Double Aluminum Sailing Block - Max Line: 716 12 mm, Safe Working Load SWL: 1980 lbs 900kg, Breaking Load: 4180 lbs 1900

Item #: 85906716

AUD 119

Price Details

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*All items will import from US

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Experience unparalleled performance and durability with the Blue Shark 2312 - 57mm Fixed Double Sailing Block.
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What Stands Out

Durable Material
Crafted from high-quality aluminum, ensuring longevity and resilience against harsh marine environments. Ideal for sailors seeking reliable equipment that withstands extensive use.
High Load Capacity
With a safe working load of 1980 lbs, this block is perfect for handling heavy loads, making it suitable for serious sailing enthusiasts who prioritize safety and performance.
Versatile Design
Accommodates lines up to 7/16” (12 mm), enhancing compatibility with various sailing setups. This adaptability allows for seamless integration into different sailing systems, improving overall efficiency.

Product Details

Shop Blue Shark 2311-57 mm Fixed Double Aluminum Sailing Block - Max Line: 716 12 mm, Safe Working Load SWL: 1980 lbs 900kg, Breaking Load: 4180 lbs 1900 kg online at a best price in Australia. B079L111KK
Item Weight2.5 lbs (1.13 kg)

Who Should Buy?

Suitable For
  • Professional Sailors

    Ideal for experienced sailors needing durable and high-performance blocks for demanding sailing conditions.

  • Regatta Participants

    Perfect for competitive racers looking for reliable blocks to enhance their boat's efficiency and performance.

  • Recreational Boaters

    Suitable for casual sailors who prioritize safety and reliability in their sailing equipment for enjoyable outings.

Not Suitable For
  • Beginner Sailors

    Not ideal for newcomers who may require simpler and more user-friendly block systems while learning.

  • Heavy Duty Use

    Not recommended for applications exceeding the safe working load, which could compromise safety and functionality.

  • Non-sailing Applications

    Unsuitable for non-marine uses where specialized equipment is needed, as it is designed specifically for sailing.

Product Description

Blue Shark 2311-57 mm Fixed Double Aluminum Sailing Block - Max Line: 716 12 mm, Safe Working Load SWL: 1980 lbs 900kg, Breaking Load: 4180 lbs 1900 kg

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the advantage of using ball bearing pulley blocks in sailing?

    Answer: Ball bearing pulley blocks provide a significant reduction in friction compared to traditional blocks. This efficiency allows for smoother and easier adjustments when trimming sails or managing line tension. The use of high-quality ball bearings ensures that the block can handle heavy loads while maintaining performance. For instance, during a high-wind sailing scenario, you’ll find that these pulley blocks allow for quick sail adjustments with minimal effort, enhancing your control and overall sailing experience.
  • Question: How do I choose the right size of pulley block for my sailboat?

    Answer: Choosing the right size of pulley block is crucial for optimal performance. The 57mm size of this double pulley block is suited for medium to large sailboats where increased load capacity is necessary. It’s important to consider both the size of your sailboat and the type of sailing activities you engage in. For instance, if you're often racing or sailing offshore, a larger and more robust block like the 57mm will facilitate quick line changes and handling under stress, making it an ideal choice.
  • Question: Are double pulley blocks more efficient than single pulley blocks?

    Answer: Yes, double pulley blocks are typically more efficient than single blocks. They provide additional mechanical advantage, allowing users to lift heavier loads with less force. This means that when you're adjusting sails or managing rigging, a double block will facilitate smoother and more effective movement. They are particularly beneficial in situations where you need to manage multiple lines or heavy sails, such as during a race where quick responsiveness and efficiency can significantly impact performance.
  • Question: What materials are used in the construction of the 57mm double pulley block?

    Answer: The 57mm double pulley block is commonly made from durable and corrosion-resistant materials such as stainless steel or high-quality nylon. These materials are essential for the longevity of the block, especially in harsh marine environments. Corrosion resistance ensures that the block remains functional over time, even in saltwater conditions. For example, during long sailing trips, having a sturdy and well-constructed block can prevent failures and enhance reliability, contributing to a safer sailing experience.
  • Question: Can I use the 57mm double pulley block for other applications besides sailing?

    Answer: Certainly! While designed for sailing, the 57mm double pulley block can be utilized in various applications such as camping, climbing, or even in DIY projects. Its sturdy construction and efficiency in bearing loads make it a versatile tool. For instance, if you’re setting up a tent or preparing an outdoor pulley system for hauling gear, this block would efficiently manage the ropes involved, ensuring a hassle-free setup. Its multifunctionality makes it a worthwhile investment for outdoor enthusiasts.
  • Question: How does the design of the pulley block impact its performance?

    Answer: The design of the pulley block plays a critical role in its performance by influencing load capabilities and friction levels. A well-designed block like the 57mm double variant features streamlined shapes that reduce drag and improve line management. This allows for smoother running, which is crucial during intense sailing maneuvers where control over the sail trim is essential. A practical use case is during a tack; effective block design will enable faster line handling, thus improving overall sailing efficiency.
  • Question: What type of lines are compatible with the 57mm double pulley block?

    Answer: The 57mm double pulley block is compatible with various sailing lines, including both rope and cord made of materials like polyester and dyneema. It's important to ensure that the line diameter fits the block’s specifications for optimal performance. For example, if you are using a thicker line for heavy-load situations, this block will effectively handle the tension while providing smooth operation. Matching the line type and diameter to your sailing needs enhances the block’s efficiency and performance.
  • Question: What is the weight capacity for the 57mm double pulley block?

    Answer: The weight capacity of the 57mm double pulley block is generally substantial, designed to handle heavy loads typical in sailing applications. While specific capacity can vary, this pulley's construction allows it to easily manage the forces experienced during sail adjustments or rigging. For example, if you’re sailing with larger sails that require significant handling power, this block will work effectively, ensuring you can operate without unnecessary strain. Be sure to check the individual specifications to ensure it meets your sailing requirements.
  • Question: Where can I buy the Sailing Sailboat Pulley Blocks Ball Bearing 57mm Double 2311 in Australia?

    Answer: You can buy the Sailing Sailboat Pulley Blocks Ball Bearing 57mm Double 2311 from Ubuy in Australia. Ubuy is known for its wide selection of marine equipment, including high-quality sailing accessories like this pulley block. They offer a convenient shopping experience, allowing you to find the specific items you need for your sailing adventures effortlessly. Explore their website for availability and further product details.

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