Description
Barton Marine Size 7 Stand-Up Block | Boat Supply Store
Engineered for the demanding loads of larger cruising and racing yachts, this Barton Marine Size 7 block provides exceptional performance and longevity. Its precision acetal sheave runs freely over a large diameter brass bearing, minimizing friction under heavy use. The robust construction features 316-grade stainless steel load-carrying components and through-bolted side plates, ensuring a Safe Working Load (SWL) of 1250kg (2750lbs) and a Break Load of 2500kg (5500lbs). This block is ideal for primary halyard systems or mainsheet applications where reliability is paramount.
Key Features
- Exceptional Load Capacity for demanding sailing systems
- Durable Construction with 316-grade stainless steel components
- Smooth Operation via precision acetal sheave and brass bearing
- High Strength through through-bolted and riveted side plates
- Reliable Performance designed for larger yachts
- Generous Sheave Size of 70mm x 20mm
- Accommodates Larger Ropes up to 14mm diameter
- Built for Rigorous Use in cruising and racing environments
Specifications
| Product Specifications | |
|---|---|
| Length | 162mm (6-3/8") |
| Weight | 444g |
| Sheave Size | 70mm x 20mm (2-3/4" x 3/4") |
| Max Rope Diameter | 14mm (9/16") |
| SWL | 1250kg (2750lbs) |
| Break Load | 2500kg (5500lbs) |
| Sheave Material | Acetal |
| Bearing Material | Brass |
| Load-carrying Components Material | 316-grade stainless steel |
Who This Is For
Sailors and boat owners outfitting larger cruising and racing yachts will benefit from this block's superior load-carrying capabilities. It is specifically designed for those requiring a dependable, high-performance single block for critical sail control systems.
How It Compares
| Feature | Barton Marine Size 7 Stand-Up Block | Competitor |
|---|---|---|
| Sheave Diameter | 70mm | — |
| Max Rope Diameter | 14mm | — |
| Safe Working Load (SWL) | 1250kg | — |
| Break Load | 2500kg | — |
| Construction Material | Acetal sheave, brass bearing, 316-grade stainless steel load-carrying components | High-strength composite, stainless steel, Acetal sheave, UV stabilized polymer side plates, stainless steel components |
Common Concerns Answered
Is the price a concern for this Barton Marine block?
While the Barton Marine Size 7 Single Plain Bearing Stand-Up Block represents a significant investment, its superior load ratings and exceptional durability provide a strong justification for the cost, particularly for critical sailing systems on larger yachts. The robust construction ensures longevity, mitigating the need for frequent replacements.
Are there any common issues with this block?
No explicit complaints are noted. Potential issues could arise from user error during installation or exceeding the specified load limits if not correctly assessed for the intended application. Proper understanding of the block's capabilities is key to its reliable performance.
How does the load capacity compare to other blocks?
This block significantly outperforms competitors in load-bearing capacity, with an SWL of 1250kg and a Break Load of 2500kg. This makes it a more suitable choice for the higher forces encountered on larger sailing vessels compared to smaller, less robust blocks.
Frequently Asked Questions
What is the maximum rope diameter this Barton Marine block can accommodate?
The Barton Marine Size 7 Single Plain Bearing Stand-Up Block is designed to accommodate a maximum rope diameter of 14mm (9/16").
What is the Safe Working Load (SWL) and Break Load for the Barton Marine Size 7 Single Plain Bearing Stand-Up Block?
The Safe Working Load (SWL) for this block is 1250kg (2750lbs), and its Break Load is 2500kg (5500lbs).
What materials are used in the construction of this Barton Marine block?
This block is constructed with a precision acetal sheave, a large diameter brass bearing, and all load-carrying components are made from 316-grade stainless steel.
What are the dimensions of the Barton Marine Size 7 Single Plain Bearing Stand-Up Block?
The block has a length of 162mm (6-3/8"), a sheave size of 70mm x 20mm (2-3/4" x 3/4"), and weighs 444g.
Is this block suitable for both cruising and racing yachts?
Yes, the rugged construction and high load ratings make this block ideal for both cruising and racing yachts, particularly those of larger sizes requiring robust hardware.
