Description
Harken 40mm Carbo Single Fixed Block | Boat Supply Store
For efficient and reliable sail control on dinghies, small keelboats, and cruising yachts, this Harken block offers a low-friction solution with robust load-bearing capabilities. Engineered with Carbo Air construction, it features a 40mm sheave diameter capable of handling a maximum line diameter of 10mm (3/8 inch). Its impressive maximum working load of 220 kg (485 lb) ensures safe and facile trimming, even under significant strain. This block provides exceptional strength and durability at an accessible price point.
Key Features
- Low friction thanks to Carbo Air construction for smoother operation.
- Lightweight design for reduced weight aloft and easier handling.
- High strength for reliable performance under load.
- Reliable performance for consistent sail trim.
- Affordable price point offering excellent value.
- High working loads up to 220 kg (485 lb) for safe trimming.
- Compact design for efficient use of space in rigging systems.
- Durable construction built to withstand marine environments.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter (mm) | 40 |
| Sheave Diameter (inch) | 1-9/16 |
| Maximum Line Diameter (mm) | 10 |
| Maximum Line Diameter (inch) | 3/8 |
| Maximum Working Load (kg) | 220 |
| Maximum Working Load (lb) | 485 |
| Material | Carbo Air |
Who This Is For
Sailors and boaters requiring a dependable, lightweight single fixed block for diverse rigging needs. This block is particularly suitable for dinghies, small keelboats, and cruising yachts.
How It Compares
| Feature | Harken 40mm Carbo Single Fixed Block | Ronstan RF34100 Series 100 Single Fixed Block |
|---|---|---|
| Sheave Diameter (mm) | 40 | 30 |
| Max Line Diameter (mm) | 10 | 8 |
| Max Working Load (kg) | 220 | 150 |
| Material | Carbo Air | Composite |
Common Concerns Answered
Are there any common issues with the Harken 40mm Carbo Single Fixed Block?
No widely reported complaints exist for this specific Harken model, indicating a high level of reliability and consistent performance in its intended applications.
Is the Harken 40mm Carbo Single Fixed Block suitable for demanding sailing conditions?
Absolutely. Its robust Carbo Air construction and substantial working load limit of 220 kg (485 lb) make it capable of handling challenging loads safely and efficiently.
Why choose Harken over cheaper alternatives?
While the initial investment may be higher than generic options, Harken's reputation for durability and superior performance in marine environments ensures long-term value and reliability, often outweighing the upfront cost difference.
Frequently Asked Questions
What is the maximum line diameter for the Harken 40mm Carbo Single Fixed Block?
The maximum line diameter it can accommodate is 10mm (3/8 inch).
What is the working load limit of the Harken 40mm Carbo Single Fixed Block?
The maximum working load limit is 220 kg (485 lb).
Are Harken Carbo blocks suitable for high-load applications?
Yes, Harken Carbo blocks, including this 40mm single fixed model, are designed for reliable performance in high-load applications, offering a balance of strength and low friction.
How does the Harken 40mm Carbo Single Fixed Block compare to other single blocks?
Compared to other 40mm single fixed blocks, this Harken model often offers a higher working load limit (220 kg vs. 200 kg for Lewmar) and a larger maximum line diameter capacity (10mm vs. 8mm for Ronstan), while maintaining a competitive price point and the benefits of Carbo Air construction.
What are the benefits of using Carbo Air blocks?
Carbo Air construction provides an exceptional combination of being lightweight and incredibly strong, while also ensuring very low friction, leading to smoother operation and increased efficiency in your rigging systems.
