Description
Lewmar 50mm Synchro Block | Boat Supply Store
Optimize mainsail and headsail control with the Lewmar 50mm Synchro Block, designed to enhance power transfer and minimize friction in demanding marine environments. This block features a scientifically engineered sheave geometry and a robust Free-Spin bearing system, reducing friction by up to 40% compared to standard blocks. With a substantial working load limit of 990lb and a capacity for line up to 0.39" (10mm), it's an ideal upgrade for performance-oriented sailors seeking smoother operation and extended line longevity.
Key Features
- Significantly reduces friction for up to 40% increased efficiency
- Self-aligning head ensures optimal load distribution and smooth articulation
- Free-Spin bearing technology minimizes resistance for effortless line movement
- Stiff glass fiber reinforced cheeks prevent rope jamming
- Stainless steel strap enhances durability and service life
- Tool-free sliding swivel locking mechanism for adaptable rigging
- Scientifically optimized block geometry maximizes mechanical advantage
- Reduces rope wear through efficient load handling
Specifications
| Product Specifications | |
|---|---|
| Block Size | 50mm |
| Working Load Limit | 990lb |
| Weight | 2.36oz |
| Maximum Line Size | 0.39" (10mm) |
| Strap Material | Stainless Steel |
| Cheek Material | Glass Fiber Reinforced |
| Bearing Type | Free-Spin |
| Head Type | Self-aligning |
| Locking Mechanism | Tool-free sliding swivel |
Who This Is For
Sailors and boaters seeking to enhance the efficiency and responsiveness of their primary control lines, particularly mainsheet and headsail sheets. Ideal for those prioritizing smooth operation, reduced line abrasion, and optimized performance in racing or cruising scenarios.
How It Compares
| Feature | Lewmar 50mm Synchro Block | Competitor |
|---|---|---|
| Sheave Diameter | 50mm | — |
| Working Load Limit | 990lb | 1500 lb, 770 lb |
| Max Line Size | 0.39" (10mm) | 1/2 inch (12mm), 3/8 inch |
| Bearing Technology | Free-Spin bearing, self-aligning head | Carbo Ratchomatic, Orbit |
| Cheek Material | Glass fiber reinforced | Carbo (composite), Nylon |
Common Concerns Answered
Is the price of this block justified compared to simpler alternatives?
The Lewmar 50mm Synchro Block offers a scientifically optimized design, including a Free-Spin bearing and self-aligning head, which provides up to a 40% increase in efficiency and reduces rope wear. This performance enhancement and extended line life can offset the initial investment for serious sailors.
Is this block overkill for casual sailing?
While offering advanced features, the benefits of reduced friction and smoother operation are noticeable even in less demanding conditions. The durable construction with a stainless steel strap and glass fiber reinforced cheeks ensures longevity, making it a reliable component for any dedicated boater.
What are the common complaints about marine hardware that might apply here?
While this specific Lewmar model has positive reviews, general concerns with marine hardware can involve price or long-term durability in harsh marine environments. The premium materials and engineering of the Synchro Block are designed to mitigate these concerns through enhanced performance and longevity.
Frequently Asked Questions
What is the working load limit of the Lewmar 50mm Synchro Block - Single?
The Lewmar 50mm Synchro Block - Single has a working load limit of 990lb.
What is the maximum line size this block can accommodate?
This block can accommodate a maximum line size of 0.39" (10mm).
How does the Synchro Block reduce friction compared to other blocks?
The Synchro Block reduces friction through its scientifically optimized sheave geometry and advanced Free-Spin bearing technology, which minimizes resistance for smoother power transfer and increased efficiency by up to 40%.
What are the benefits of the stainless steel strap and glass fiber reinforced cheeks?
The stainless steel strap provides enhanced strength and a longer service life, while the stiff glass fiber reinforced cheeks prevent lines from wedging, ensuring reliable operation.
Is the head of the Lewmar 50mm Synchro Block self-aligning?
Yes, the Lewmar 50mm Synchro Block features a self-aligning head to ensure optimal load distribution and smooth articulation under various angles of pull.
