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

Allen Brothers Stanchion Mounted Single Furling Lead Block - 25 mm (1") - PA0450A-1

Antal Thin Solid Ring

C.S. Johnson Rail Mount Fairlead Eye - 40-501

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

Harken Carbo Air Block Fiddle Block - 75 mm (2 15/16") - 2693

Harken Carbo Air Block Fiddle Ratchet Block - 75 mm (2 15/16") - 2696

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

Harken Midrange Cheek Block - 76 mm (3") - 1548

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

Harken Micro Block - 22 mm (7/8") - 225

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

Harken Micro Triple Block - 22 mm (7/8") - 229

Harken Micro Triple Block - 22 mm (7/8") - 230

Harken Micro Upright Block - 22 mm (7/8") - 243

Harken Line/Wire Block - 25 mm (1") - 300

Harken Bullet Block - 29 mm (1 1/8") - 167

Harken Bullet Block Double - 29 mm (1 1/8") - 085

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

Harken Thru-Deck Bullet Block - 29 mm (1 1/8") - 088

Harken Big Bullet Block - 38 mm (1 1/2") - 146

Harken Big Bullet Block - 38 mm (1 1/2") - 147

Harken Big Bullet Triple Block - 38 mm (1 1/2") - 129

Harken Big Bullet Upright Block - 38 mm (1 1/2") - 222

Harken Aluminum Element Double Block Swivel - 45 mm (1 3/4") - 6238

Harken Aluminum Element Double Block Swivel - 45 mm (1 3/4") - 6239

Harken Swivel Block - 57 mm (2 1/4") - 001

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

Tylaska FR6 Low Friction Ring with Dyneema Loop

Ronstan Series 30 Ball Bearing Loop Top Single Block - RF30101

Ronstan Series 30 High Load Exit Block - RF31712

Ronstan Series 40 All Purpose Double Block - RF41200

Ronstan Series 60 All Purpose Sheave - 2 3/8" (60 mm) - RF437

Ronstan Upright Lead Block with Nylatron Sheave - 7/8" (22 mm) - RF453

Ronstan Split Cotter Ring

Lewmar Synchro Control Triple Block - 30 mm (1 1/4")

Lewmar HTX Double Block - 50 mm (2")

Schaefer 5 Series Over The Top Block

Schaefer 7 Series Over The Top Block

Spinlock Double Bulls Eye for Leading Lines - BE10/2

Wichard Utility Ring - 6782W

Barton Tapered Spring for Stand-Up Block - 60119

Barton Size 4/5 Single Block

Barton Size 7 Fiddle Block

Barton Ball Bearing Rope Sheave

Barton Size 0 Single Block

Barton Size 3 Double Block

Barton Size 1 Ball Bearing Single Block

Barton Size 1 Ball Bearing Double Block