Description
Harken 57mm Carbo Air Block Swivel | Boat Supply Store
For sailors requiring efficient and reliable sail control on dinghies, keelboats, or larger yachts, this Harken 57mm Carbo Air Block with Swivel excels. It features a low-friction sheave for effortless trimming and supports lines up to 10mm in diameter. The block boasts a substantial 359kg working load and 1079kg breaking load, ensuring safety and performance in demanding conditions.
Key Features
- Lightweight Carbo Air construction minimizes deck weight.
- High Strength ratings for critical sail control applications.
- Low-Friction sheave ensures smooth and easy line adjustment.
- Compact design for minimal space utilization.
- High Working Loads up to 359kg for enhanced safety.
- Swiveling Head offers versatile rigging angles.
- Durable construction withstands harsh marine environments.
- Affordable performance from a trusted marine brand.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 57mm |
| Length | 110mm |
| Weight | 87g |
| Shackle Pin Diameter | 5mm |
| Maximum Line Diameter | 10mm |
| Working Load | 359kg |
| Breaking Load | 1079kg |
Who This Is For
Cruising and racing sailors seeking a lightweight, robust, and cost-effective block for mains, jibs, and control lines. This block is ideal for upgrading existing systems or outfitting new dinghies, keelboats, and yachts.
How It Compares
| Feature | Harken 57mm Carbo Air Block Swivel | Competitor |
|---|---|---|
| Sheave Diameter | 57mm | — |
| Maximum Line Diameter | 10mm | — |
| Maximum Working Load | 359kg | — |
| Weight | 87g | 75g, 80g |
Common Concerns Answered
Is this block suitable for extremely heavy-duty applications?
While the Harken 57mm Carbo Air Block offers impressive strength for its class, users requiring maximum sheave diameter for exceptionally heavy loads might consider larger sheave diameter blocks. This 57mm block is engineered for optimal balance of weight and load capacity.
Will the swivel mechanism remain smooth over time?
The swivel mechanism on this Harken block, like most swivel blocks, performs optimally with periodic maintenance. Regular rinsing and lubrication will prevent stiffness and ensure reliable operation, even in demanding marine conditions.
How does the working load compare to similar blocks?
This Harken block features a robust 359kg working load, offering a strong balance of performance and value. While some competitors may offer slightly higher ratings, the overall lightweight design and affordability of the Carbo Air line make it a compelling choice.
Frequently Asked Questions
What is the maximum line diameter this Harken block can handle?
The Harken 57mm Carbo Air Block with Swivel is designed to accommodate a maximum line diameter of 10mm.
What is the working load limit for the Harken 57mm Carbo Air Block?
The working load limit for this Harken block is 359kg, ensuring safe and reliable operation during sail adjustments.
How much does the Harken 57mm Carbo Air Block weigh?
The Harken 57mm Carbo Air Block weighs a mere 87 grams, contributing to a lighter overall rigging system.
What are the dimensions of the Harken 57mm Carbo Air Block?
The block has a sheave diameter of 57mm and an overall length of 110mm.
Is this block suitable for high-load applications?
Yes, with a working load of 359kg and a breaking load of 1079kg, this block is well-suited for numerous high-load applications in sailing, from mainsail sheets to jib sheets.
