Description
Harken 1 Ton Twing Block | Boat Supply Store
Engineered for demanding sail control, this block facilitates one-handed rigging adjustments critical for optimizing sail trim on performance dinghies and offshore cruisers. Its robust construction features a sheave diameter of 38.5 mm and a maximum working load of 1000 kg, ensuring reliable operation under significant loads. Ideal for managing code zero sheets, spinnaker guys, or as a versatile snatch block for quick adjustments at sea.
Key Features
- Unparalleled one-handed rigging convenience via spring-loaded side opening
- Exceptional durability with black anodized aluminum sideplates and robust bumpers
- Smooth operation under extreme loads due to ULC main bearing
- Enhanced sheave alignment with integrated anti-capsize bar
- Reliable off-axis loading capacity with integrated sideload balls
- Versatile 1:1 or 2:1 control options with thimble at pivot base
- High-load bearing system shared with Harken's 2.3T snatch block
- Maximized line management up to 11 mm diameter
Specifications
| Product Specifications | |
|---|---|
| Sheave diameter | 38.5 mm (1-1/2 in) |
| Maximum line diameter | 11 mm (.43 in) |
| Maximum working load | 1000 kg (2205 lb) |
| Breaking load | 2000 kg (4409 lb) |
Who This Is For
Performance-oriented sailors and dinghy racers demanding precise and rapid sail control for asymmetrical spinnakers or code zero sails. Cruisers seeking a robust and easily deployable block for managing downhauls, vang, or as a high-load snatch block.
How It Compares
| Feature | Harken 1 Ton Twing Block | Competitor |
|---|---|---|
| Sheave Diameter | 38.5 mm | — |
| Maximum Line Diameter | 11 mm | — |
| Maximum Working Load | 1000 kg | — |
| One-Handed Side Opening | Yes | No, No |
Common Concerns Answered
Is the price of the Harken 1 Ton Twing Block justified?
While the initial cost may be higher than simpler block options, users consistently report that the exceptional durability, precise performance, and one-handed usability of this Harken block make it a worthwhile investment for serious sailors.
What is the typical customer sentiment regarding this block?
Customer sentiment is highly positive, with users frequently praising its robust build quality, intuitive ease of use, and dependable performance even under significant load conditions.
Are there any common complaints about this block?
A minor concern raised by some users is the premium price point. However, this is generally offset by the perceived value derived from the block's superior construction and advanced features.
Frequently Asked Questions
What is the maximum line diameter this Harken Twing Block can accommodate?
The Harken 1 Ton Twing Block is designed to accommodate a maximum line diameter of 11 mm (0.43 inches).
What is the working load limit of the Harken 1 Ton Twing Block?
The maximum working load limit for the Harken 1 Ton Twing Block is 1000 kg (2205 lb).
How does the side opening mechanism work on this block?
The spring-loaded side opening mechanism allows for swift and simple one-handed insertion or removal of the line by pushing the sideplate open against the spring tension.
Can this block be used as a snatch block?
Yes, this block can effectively be used as a snatch block due to its robust construction and design, including a bearing system shared with Harken's high-load snatch blocks.
What are the dimensions of the sheave on the Harken 3405 Twing Block?
The sheave on the Harken 3405 Twing Block has a diameter of 38.5 mm (1-1/2 inches).
