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

Barton Size 1 Triple Block

Barton Size 6 Ball Bearing Single Block

Lewmar Size 0 Delrin Balls (100-Pack) - 29174022

Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174

Ronstan Series 40 Block - RF41300

Ronstan Series 40 Block - RF41530

Ronstan Series 40 Fiddle Block - RF41500

Ronstan Series 50 Fiddle Block - RF51530

Schaefer 3 Series Cheek Block - 03-30

Schaefer 3 Series Half Moon Fixed Ball Bearing Fairlead Block - 300-31

Schaefer 7 Series Block - 704-05

Schaefer 7 Series Fiddle Block - 705-55

Schaefer 7 Series Triple Block - 705-98

Schaefer Clear Step Furling Lead Block Kit - 300-76

Schaefer Deck Organizer - 704-30

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

Antal Snatch Block - 32 mm (1 1/4")

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

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

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

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

Harken Double Upright Lead Bullet Block - 29 mm (1 1/8") - 220

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

Harken Big Bullet Double Block - 38 mm (1 1/2") - 127

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

Harken Bullseye Fairlead - 38 mm (1 1/2") - 237

Harken Carbo Air Block - 40 mm (1 9/16") - 2639

Harken Carbo Air Block Stand-Up Block - 40 mm (1 9/16") - 2652

Harken Soft-Attach Carbo T2 Double Block - 40 mm (1 9/16") - 2150

Harken Composite Deck Organizer - 50 mm (1 15/16")

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

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

Barton Stanchion Bullseye - 60142

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

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

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

Schaefer 5 Series Over The Top Block

Antal OPF Simple Web Block

Barton Size 4/5 Plain Sheave Triple Block with Swivel - Becket & Cam Cleat - N05931

Barton Size 4/5 Single Stanchion Lead Block - N05190

Wichard Snatch Block - 18 mm (23/32") - 35500

Barton Plain Bearing Rope Sheave - 64804

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

Harken Aluminum Block with Swivel - 57 mm (2 1/4") - 3215

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

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

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