Description
Harken 75mm Carbo Air Block | Boat Supply Store
This Harken 75mm Carbo Air Block with swivel is engineered to address the need for reliable, high-performance load handling in dynamic sailing environments. It provides exceptional strength for its weight, crucial for maintaining sail trim efficiency under significant load, with a maximum working load of 550kg. The low-friction sheave ensures smooth operation, vital for immediate adjustments on a fast-moving vessel, making it ideal for performance dinghies and offshore cruisers.
Key Features
- Lightweight and robust Carbo Air construction for reduced system weight
- High working loads of 550kg ensure safe and effective sail control
- Compact dimensions for efficient rigging and minimal space utilization
- Swiveling head allows for versatile rigging angles and optimal lead angles
- Low-friction sheave guarantees smooth and responsive line movement
- Durable design built for demanding offshore and racing conditions
- Cost-effective performance balancing advanced features with an accessible price
- Reliable load transfer for precise sail trim
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 75mm |
| Length | 137mm |
| Weight | 195g |
| Shackle Pin Diameter | 6mm |
| Maximum Line Diameter | 14mm |
| Maximum Working Load | 550kg |
| Breaking Load | 1650kg |
Who This Is For
Performance-oriented sailors and competitive racers requiring lightweight, high-strength rigging components. Cruising sailors seeking robust and reliable blocks for their running rigging will also benefit from its durability and smooth operation.
How It Compares
| Feature | Harken 75mm Carbo Air Block | Competitor |
|---|---|---|
| Sheave Diameter | 75mm / 2-15/16in | — |
| Maximum Line Diameter | 14mm / 9/16in | — |
| Maximum Working Load | 550kg / 1213lb | — |
| Weight | 195g / 6.9oz | 80g, 120g |
Common Concerns Answered
Is the Harken 75mm Carbo Air Block an expensive option?
While the initial investment may be higher than basic blocks, the justified price point reflects the superior performance, advanced lightweight construction, and enhanced durability characteristic of high-performance marine hardware. This translates to long-term value through weight savings and reliable operation.
What is the expected lifespan of the sheave under heavy use?
Under extended, heavy-duty operational conditions, some sheave wear is a typical characteristic of high-performance blocks designed for optimal friction reduction. Regular inspection and maintenance, as detailed in the manual, will ensure longevity.
How does the load capacity compare to other blocks?
The Harken 75mm Carbo Air Block features a maximum working load of 550kg, providing substantial capacity for demanding trim and control on various sailing craft. While some competitors may offer higher stated loads, this block excels in its specific balance of weight, strength, and low friction.
Frequently Asked Questions
What is the maximum line diameter this Harken block can accommodate?
The Harken 75mm Carbo Air Block is designed to accommodate a maximum line diameter of 14mm.
What is the working load limit for the Harken 75mm Carbo Air Block?
The maximum working load limit for this block is 550kg.
How much does the Harken 75mm Carbo Air Block weigh?
The Harken 75mm Carbo Air Block weighs 195g.
What are the dimensions of the Harken 75mm Carbo Air Block?
The Harken 75mm Carbo Air Block has a sheave diameter of 75mm and an overall length of 137mm.
Is the Harken 75mm Carbo Air Block suitable for high-performance sailing applications?
Yes, its lightweight Carbo Air construction, high load capacity (550kg working load), and low-friction sheave make it exceptionally suitable for demanding high-performance sailing applications including dinghy racing and performance cruising.