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 Carbo Furling Lead Block Kit - 7404

Harken Aluminum Element Block - 80 mm (3 1/8") - 6290

Antal Snatch Block

Harken Carbo Air Block Triple Block - 57 mm (2 1/4") - 2604

Harken Black Magic Block with Swivel - 100 mm (3 15/16") - 3246

Harken Aluminum Element Block - 60 mm (2 3/8") - 6260

Lewmar Synchro Block - 72 mm (2 13/16")

Barton Medium Snatch Block - 48 mm (1 7/8") - 90401

Schaefer Clamp-On Stanchion Furling Lead Block - 300-34

Schaefer Clamp-On Pulpit Furling Lead Block - 500-35

Harken Stanchion Mount Carbo Block - 40 mm (1 9/16") - 7401

Barton Size 7 Fiddle Block

Harken Carbo Outboard Lead Block Assembly - 29 mm (1 1/8") - 7403

Harken Carbo Air Block Triple Block - 57 mm (2 1/4") - 2605

Harken Aluminum Element Block - 60 mm (2 3/8") - 6266

Harken Carbo Air Block Triple Block - 57 mm (2 1/4") - 2618

Harken Aluminum Element Block with Swivel and Becket - 80 mm (3 1/8") - 6291

Harken Aluminum Element Block Swivel - 45 mm (1 3/4") - 6236

Harken Carbo Ratchet Block - 57 mm (2 1/4") - 7402

Schaefer Hinged Fairlead Block - 506-32

Ronstan Snatch Block with Trunnion Head - 64 mm (2 1/2") - RF6721

Harken Carbo Air Block Ratchet Block - 57 mm (2 1/4") - 2138

Harken Aluminum Element Block - 60 mm (2 3/8") - 6273

Lewmar HTX Fiddle Block - 60 mm (2 3/8")

Ronstan Snatch Block with Swivel Head - 64 mm (2 1/2") - RF6720

Lewmar Synchro Fiddle Block - 60 mm (2 3/8")

Lewmar Synchro Block - 90 mm (3 1/2")

Lewmar HTX Foot Block

Harken Carbo Air Block Fiddle Block - 40 mm (1 9/16") - 2657

Schaefer 7 Series Fiddle Block - 705-55

Lewmar HTX Block - 60 mm (2 3/8")

Spinlock Compact Stanchion Lead Block - WL/2

Harken Carbo Air Block - 57 mm (2 1/4") - 2600

Harken Carbo Air Block Fiddle Block - 57 mm (2 1/4") - 2676

Harken Carbo Air Block - 40 mm (1 9/16") - 2636

Harken Single Block with T2 Soft-Attach Loop - 57 mm (2 1/4") - 2151

Schaefer 8 Series Stand-Up Swivel Block - 08-62

Lewmar Synchro Fiddle Block - 90 mm (3 1/2")

Lewmar Tweeker Control Snatch Block - 40 mm (1 9/16") - 29900340

Harken Carbo Air Block Fiddle Block - 40 mm (1 9/16") - 2655

Harken Carbo Air Block Fiddle Block - 57 mm (2 1/4") - 2621

Harken Carbo Air Block - 75 mm (2 15/16") - 2660

Schaefer 5 Series Cheek Block - 504-11

Schaefer 5 Series Cheek Block - 505-11

Schaefer Clamp-On Pulpit Furling Lead Block - 300-35

Lewmar Synchro Fiddle Block - 50 mm (2")

Harken Carbo Air Block Triple Block - 40 mm (1 9/16") - 2640

Harken Carbo Air Block Fiddle Block - 57 mm (2 1/4") - 2624