Description
Harken 45mm Triple Block w/ Swivel & Becket | Boat Supply Store
Engineered for boats operating in dynamic marine environments like the Gulf Intracoastal Waterway, this Harken 45mm Triple Element Block provides exceptional load-bearing capacity with a maximum working load of 1050kg. Its construction features robust forged aluminum sideplates and a durable composite bearing sheave, ensuring longevity and efficient operation even under strenuous conditions. With a 45mm sheave diameter and a maximum line capacity of 12mm, this block is ideal for critical control lines on performance vessels.
Key Features
- Strength Forged aluminum and compound curve sideplates provide superior structural integrity.
- Durability Hardcoat-anodized finish offers excellent corrosion resistance against saltwater exposure.
- Efficiency Proven journal bearing ensures consistently smooth operation under load.
- Weight Reduction Minimal metal design reduces overall weight without compromising strength.
- Longevity Tough composite bearing sheave is designed for extended service life.
- Versatility Swivel head allows for optimal rigging angles in complex systems.
- Secure Attachment Integrated becket provides a reliable point for load distribution and attachment.
- High Load Capacity Rated for a substantial 1050kg maximum working load.
Specifications
| Product Specifications | |
|---|---|
| Sheave Diameter | 45mm |
| Length | 127mm |
| Weight | 275g |
| Shackle Pin Diameter | 6mm |
| Maximum Line Diameter | 12mm |
| Maximum Working Load | 1050kg |
| Breaking Load | 2100kg |
| Sideplate Material | Forged Aluminum/Compound Curve |
| Bearing Type | Journal Bearing |
| Sheave Material | Composite Bearing |
| Finish | Hardcoat-Anodized |
Who This Is For
Performance-oriented sailors and racers who demand robust and reliable block systems for their vessels will benefit from this block's high load ratings and durable construction. Cruisers also appreciate its strength and versatility for mainsheet, halyard, or control line applications.
How It Compares
| Feature | Harken 45mm Triple Block w/ Swivel & Becket | Competitor |
|---|---|---|
| Sheave Diameter | 45mm | — |
| Maximum Working Load | 1050kg | — |
| Weight | 275g | 180g, 200g |
| Sideplate Material | Forged Aluminum | Composite, Composite |
| Bearing Type | Journal Bearing | Ball Bearing, Ball Bearing |
Common Concerns Answered
Is this block too heavy for my racing dinghy?
While the journal bearing and forged aluminum construction contribute to its robust nature, it is approximately 75-95g heavier than some ultra-lightweight composite blocks. Consider its weight relative to the overall rig tuning and your specific performance requirements.
Will the journal bearing perform well in extreme conditions?
The proven journal bearing offers smooth operation, but in extremely high-cycle applications or exceptionally abrasive environments, it may necessitate more frequent lubrication compared to ball bearing systems to maintain optimal performance.
How does this block compare to lighter composite options?
This Harken block prioritizes strength and durability with its forged aluminum sideplates and robust journal bearing, offering a higher maximum working load of 1050kg. Lighter composite blocks may offer a weight advantage but potentially sacrifice some long-term structural integrity in demanding conditions.
Frequently Asked Questions
What is the maximum line diameter this Harken block can handle?
This Harken 45mm Triple Element Block is designed to accommodate a maximum line diameter of 12mm.
What is the working load limit for the Harken 45mm Triple Element Block?
The maximum working load limit for the Harken 45mm Triple Element Block is 1050kg.
What materials are used in the construction of the Harken 45mm Triple Element Block?
The block features forged aluminum and compound curve sideplates, a composite bearing sheave, and a hardcoat-anodized finish.
Is this block suitable for offshore sailing applications?
Yes, its robust construction, including forged aluminum sideplates and a high working load limit of 1050kg, makes it suitable for demanding offshore sailing applications where reliability is paramount.
What is the weight of the Harken 45mm Triple Element Block?
The Harken 45mm Triple Element Block weighs 275g.