Description
Harken 40mm Carbo Air Double Swivel Block | Boat Supply Store
For sail control demanding reduced friction and superior strength-to-weight ratios, the Harken 40mm Carbo Air Double Swivel Block offers significant advantages. Its 40mm sheave diameter and maximum line capacity of 10mm (3/8 inch) facilitate efficient trimming across a wide range of conditions. With a robust 440 kg (970 lb) working load, this block ensures reliable performance for sail adjustments on vessels ranging from dinghies to larger offshore cruisers, proving particularly beneficial in the Gulf Coast's often gusty breezes.
Key Features
- Lightweight Carbo Air construction minimizes rig weight.
- High Strength ensures durability and safety under load.
- Low Friction performance for effortless sail trimming.
- High Working Loads support demanding sail adjustments.
- Double Swivel offers versatile rigging options.
- Integrated Becket provides secure attachment points.
- Compact Design conserves space on the rig.
- Affordable performance without compromising quality.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 40 mm (1 9/16 inch) |
| Maximum Line Diameter | 10 mm (3/8 inch) |
| Maximum Working Load | 440 kg (970 lb) |
Who This Is For
Sailors of all experience levels seeking a cost-effective and high-performing block solution for enhanced sail control. It is ideal for those prioritizing weight reduction and reliable performance in their sailboat's rigging.
How It Compares
| Feature | Harken 40mm Carbo Air Double Swivel Block | Competitor |
|---|---|---|
| Sheave Diameter | 40 mm (1 9/16 in) | — |
| Maximum Line Diameter | 10 mm (3/8 in) | — |
| Maximum Working Load (kg) | 440 kg | — |
| Weight | null | null |
Common Concerns Answered
Is the 'Carbo Air' material as durable as traditional metal blocks?
The Carbo Air composite construction is engineered for exceptional strength and UV resistance, offering a superior strength-to-weight ratio and excellent durability for its intended applications, often outperforming traditional metal in longevity and resistance to corrosion.
Is the working load sufficient for heavy-duty applications?
With a maximum working load of 440 kg (970 lb), this block is suitable for a wide array of sailing applications, from cruising mainsheets to racing halyards. For exceptionally high-load scenarios, higher-rated blocks are available, but this model provides robust performance for most common requirements.
Are there widespread complaints about this specific model?
Customer sentiment is highly positive, with users consistently praising the block's lightweight design, strength, and value. No significant or widespread complaints have been reported for this particular Harken 40mm Carbo Air Double Swivel Block.
Frequently Asked Questions
What is the maximum line diameter this block can handle?
This Harken block is designed to accommodate a maximum line diameter of 10mm (3/8 inch).
What is the working load limit of the Harken 40mm Carbo Air Double Swivel Block?
The maximum working load for this block is 440 kg (970 lb).
What are the benefits of Carbo Air blocks compared to traditional blocks?
Carbo Air blocks utilize advanced composite materials for a significantly lower weight while maintaining high strength, offering reduced friction and excellent UV resistance compared to many traditional metal blocks.
Can this block be used for mainsheet or halyard applications?
Yes, the double swivel configuration with a becket and its robust working load make it suitable for both mainsheet and halyard applications on many sailboats.
What is the sheave diameter of this block?
The sheave diameter of this Harken block is 40mm, which is equivalent to 1 9/16 inches.
