Blocks

About Blocks

Marine Blocks: Buyer’s Guide

Introduction

For avid sailors and boating enthusiasts, selecting the right marine blocks is crucial for a seamless and safe sailing experience. Marine blocks play an essential role in the efficient and effective operation of a boat's rigging system. This guide is designed to help you understand the nuances of marine blocks and make an informed decision when purchasing them.

Section 1: What Are Marine Blocks?

Marine blocks are pulleys used in the rigging of boats and ships. They facilitate the changing of direction and point of application of a force applied to a rope. In simpler terms, they are used to lift heavy loads, adjust sails, and aid in maneuvering the boat.

Types of Marine Blocks

Single Blocks: Used for basic applications, these have one wheel and one sheave.
Double Blocks: With two sheaves, they offer more mechanical advantage.
Swivel Blocks: These can rotate to prevent rope twisting.
Fiddle Blocks: Combine different sizes of sheaves in one block for versatile applications.

Section 2: Factors to Consider When Buying Marine Blocks

Material and Durability

Marine blocks are typically made from stainless steel or composite materials. The choice depends on the sailing conditions and the required strength-to-weight ratio.

Load Capacity and Size

Consider the maximum load the block will handle and ensure it matches your requirements. The size of the block should correspond with the thickness and strength of the ropes used.

Ease of Use and Maintenance

Look for blocks that are easy to install and maintain. Blocks with ball bearings offer smoother operation but may require more maintenance than plain bearing blocks.

Compatibility

Ensure the blocks are compatible with your boat’s rigging system and the type of sailing you do.

Section 3: Top Brands and Their Offerings

Harken Blocks

Known for high-quality, durable marine blocks. They offer a wide range of blocks for various sailing needs.

Lewmar Blocks

Offers a variety of blocks that balance performance and price, suitable for both casual and competitive sailors.

Ronstan Blocks

Famous for innovative designs, Ronstan’s blocks are popular among those looking for high-performance gear.

Section 4: Maintenance and Care for Marine Blocks

Regular maintenance includes cleaning, inspecting for wear and tear, and lubrication. Always follow the manufacturer’s guidelines for care and maintenance to ensure longevity and optimal performance.

Conclusion

Choosing the right marine block involves understanding your sailing needs, the types of blocks available, and the best brands in the market. With this guide, you are now equipped to make an informed decision that enhances your boating experience.

FAQs

Q: Can I use any block for any type of sailing?
A: No, it's important to choose a block based on the specific needs of your sailing activity.

Q: How often should I replace my marine blocks?
A: It depends on the usage and maintenance. Regular inspection will help you determine when a replacement is needed.

Blocks

Harken Halyard Restrainer - 25 mm (15/16") - 944

Harken Aluminum Element Triple Block Swivel - 45 mm (1 3/4") - 6240

Harken Carbo Air Block - 57 mm (2 1/4") - 2602

Harken Soft-Attach Carbo T2 Double Block - 57 mm (2 1/4") - 2153

Harken T2 Soft-Attach Ratchamatic Block - 57 mm (2 1/4") - 2160

Harken Aluminum Element Fiddle Block with Swivel and Becket - 80 mm (3 1/8") - 6293

Ronstan Series 60 Core Block - 60 mm (2 3/8") - RF64110

Harken Protexit Single Exit Block

Harken Aluminum Element Block - 60 mm (2 3/8") - 6262

Harken Carbo Air Block Single Ratchet with Swivel - 75 mm (2 15/16") - 2670

Harken Carbo Air Block Fiddle Block - 75 mm (2 15/16") - 2690

Harken Micro Block - 22 mm (7/8") - 224

Harken Carbo Air Block Triple Block - 29 mm (1 1/8") - 344

Harken Carbo Air Block Cheek Block - 40 mm (1 9/16") - 2644

Harken Aluminum Element Block - 60 mm (2 3/8") - 6267

Ronstan Series 30 Orbit Triple Block - 30 mm (1 3/16") - RF35332

Harken Micro Block Cheek Block - 22 mm (7/8") - 233

Harken Single Block with T2 Soft-Attachment - 40 mm (1 9/16") - 2149

Harken Aluminum Element Block - 60 mm (2 3/8") - 6277

Harken Aluminum Element Fiddle Block with Swivel - 80 mm (3 1/8") - 6292

Ronstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56130

Harken Carbo Air Block Triple Block - 29 mm (1 1/8") - 345

Harken Single Block with T2 Soft-Attachment - 29 mm (1 1/8") - 2146

Harken Carbo Air Block - 40 mm (1 9/16") - 2645

Harken Aluminum Element Triple Block Swivel - 45 mm (1 3/4") - 6243

Harken Aluminum Element Block - 60 mm (2 3/8") - 6263

Harken Midrange Fiddle Block - 76 mm (3") - 1559

Harken Aluminum Element Double Block with Swivel - 80 mm (3 1/8") - 6296

Harken Wire Block with Swivel - 22 mm (7/8") - 292

Harken 2.3T High-Load Snatch Block - 3299

Harken Micro Block - 22 mm (7/8") - 234

Harken Bullet Block - 29 mm (1 1/8") - 082

Harken Bullet Block - 29 mm (1 1/8") - 166

Harken Single Block with T2 Soft-Attach Loop - 40 mm (1 9/16") - 2148

Harken Aluminum Element Block Swivel - 45 mm (1 3/4") - 6231

Harken Aluminum Element Triple Block Swivel - 45 mm (1 3/4") - 6241

Harken Carbo AirBlock - 57 mm (2 1/4") - 2601

Harken Aluminum Element Block - 60 mm (2 3/8") - 6275

Harken Carbo Air Block Double Swivel Block - 75 mm (2 15/16") - 2662

Harken Aluminum Element Double Block with Swivel and Becket - 80 mm (3 1/8") - 6297

Ronstan Single Snatch Block - 51 mm (2") - RF6710

Ronstan Snatch Block with Trunnion Head - 80 mm (3 1/8") - RF6751

Ronstan Series 40 Fiddle Block - RF40530

Ronstan Shock Block

Harken Double Stanchion Mount Lead Block - 40 mm (1 9/16") - 7405

Harken Carbo Air Block Double Swivel Block - 29 mm (1 1/8") - 342

Harken In-Line Exit Bullet Block - 29 mm (1 1/8") - 089

Harken Big Bullet Block - 38 mm (1 1/2") - 168