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 Micro Double Block - 22 mm (7/8") - 227

Harken Carbo Air Block Stand-Up Block - 29 mm (1 1/8") - 349

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

Harken Carbo Air Block - 40 mm (1 9/16") - 2643

Harken Carbo Air Block - 40 mm (1 9/16") - 2646

Harken Carbo Air Block Ratchet Swivel/Becket - 57 mm (2 1/4") - 2136

Harken Carbo Air Block Triple Block - 57 mm (2 1/4") - 2617

Harken Thru-Deck Block - 57 mm (2 1/4") - 047

Harken Carbo Air Block Double Block - 75 mm (2 15/16") - 2663

Harken Carbo Air Block Fiddle Block - 75 mm (2 15/16") - 2694

Harken Midrange Block - 76 mm (3") - 1540

Harken Midrange Block - 76 mm (3") - 1586

Harken Midrange Triple Block - 76 mm (3") - 1546

Wichard Snatch Block - 12 mm (15/32") - 34500

Harken Wire Cheek Bullet Block - 29 mm (1 1/8") - 109

Harken Double Fastener Eyestrap - 45 mm (1 3/4") - 1558

Harken Micro Triple Block with Cam Cleat and Becket - 22 mm (7/8") - 231

Harken Aluminum Loop Block - 57 mm (2 1/4") - 3214

Harken Stand-Up Boot

Harken T2 Soft-Attach Loup - 140 mm (5 1/2") - 2154

Harken Micro Fiddle Block - 22 mm (7/8") - 245

Harken Bullet Block Pivoting Cheek Block - 29 mm (1 1/8") - 113

Harken Carbo Air Block - 29 mm (1 1/8") - 341

Harken Carbo Air Block Double Block - 29 mm (1 1/8") - 343

Harken Carbo Air Block Triple Block - 29 mm (1 1/8") - 346

Harken Big Bullet Double Block - 38 mm (1 1/2") - 128

Harken Carbo Air Block Triple Block - 40 mm (1 9/16") - 2648

Harken Aluminum Element Fiddle Block Swivel - 45 mm (1 3/4") - 6233

Harken Aluminum Element Foot Block - 45 mm (1 3/4") - 6237

Harken Carbo Air Block Fiddle Block - 57 mm (2 1/4") - 2673

Harken Carbo Air Block - 75 mm (2 15/16") - 2661

Harken Carbo Air Block Fiddle Block - 75 mm (2 15/16") - 2695

Harken Carbo Air Cheek Block - 75 mm (2 15/16") - 2672

Harken Wire Bullet Block - 29 mm (1 1/8") - 098

Harken Protexit Double Exit Block - 30 mm (1 3/16") - 1201

Harken Reflex Furling Lead Block Kit - 7356

Harken Micro Block with Shackle and Becket - 22 mm (7/8") - 235

Harken Micro Thru-Deck Block - 22 mm (7/8") - 242

Harken Micro Fiddle Block with V-Jam - 22 mm (7/8") - 244

Harken Ratchet Carbo Cheek Block - 57 mm (2 1/4") - 2137

Harken Narrow Fly Soft Attach Block - 18 mm (23/32") - 2161

Harken Carbo Ratchamatic Block - 57 mm (2 1/4") - 2625

Harken Cheek Ratchamatic Block - 57 mm (2 1/4") - 2633

Harken 90 deg. Carbo Block - 29 mm (1 1/8") - 352

Harken Double Traveler Block - 29 mm (1 1/8") - 353

Harken Cheek Pivot Block - 16 mm (5/8") - 432

Harken Narrow Ferrule Head Block - 16 mm (5/8") - 467

Harken Sheave - 76 mm (3") - 500