Lewmar DC1 and DC2 Rope Clutches: Innovative Line Control with Domino Technology

Lewmar is a globally recognised leader in marine hardware, consistently pushing the boundaries of design and engineering in sailing technology. Their deck hardware, winches, and anchoring solutions are trusted by sailors worldwide for their durability, innovation, and reliability. The Lewmar DC1 and DC2 rope clutches continue this legacy, offering advanced line-holding solutions with a unique approach to reducing rope wear while maximising grip.

Key Features and Benefits of the Lewmar DC1 and DC2 Rope Clutches

The DC1 and DC2 clutches share the same fundamental design philosophy, with the DC2 clutch range being constructed for higher loads and more robust use cases. While both models feature overlapping line sizes, they are tailored for different holding capacities:

• DC1 Clutches: Suitable for 6-8mm, 8-10mm, and 10-12mm lines, with Safe Working Loads (SWL) up to 500kg.
• DC2 Clutches: Designed for 8-10mm, 10-12mm, and 12-14mm lines, with an increased SWL of up to 1000kg for 12-14mm lines.

The Domino Mechanism: A Revolutionary Approach to Line Holding

Unlike traditional rope clutches that jam the rope in place, Lewmar’s patented Domino technology offers a more effective solution by flexing the rope rather than crushing it. This results in better grip and significantly less rope wear over time. The key elements of this system include:

• Domino Cluster and Extended Holding Pattern – Instead of a single cam, Lewmar clutches distribute pressure across a series of dominos, reducing friction and minimising rope fray while increasing load retention.
• Controlled Release Under Load – The combination of a variable geometry handle and a unique release mechanism ensures a smooth, controlled release, even under maximum holding load, preventing sudden snatches or accidental overloading.
• Solid Handle-Link to the Domino Cluster – The clutch handle provides a direct and efficient force transmission to the internal grip system, ensuring immediate response and reliable performance.
• Versatile Line Handling – The Lewmar DC1 and DC2 clutch models accommodate a broad range of 6mm to 14mm lines, making them adaptable for various rope diameters without excessive wear.

Why Choose Lewmar DC1 and DC2 Rope Clutches?

Both ranges are designed to deliver superior performance with the following advantages:

• Significantly Reduced Rope Wear – The domino mechanism prevents excessive compression, meaning ropes last longer and maintain integrity.
• Progressive Load Holding – Unlike traditional designs, the more load applied, the more securely the rope is held without abrupt jamming.
• Easy Line Release – The patented clutch and release system ensures smooth, controlled disengagement even under high tension.
• Durability and Strength – Constructed with high-quality materials, the Lewmar DC1 and DC2 clutches offer excellent resistance to the marine environment.
• Flexible Configurations – Available in single, double, and triple variants, these clutches provide modular solutions for various deck layouts and rigging setups.

Lewmar DC1 rope clutch

Ideal Applications

Halyard, reefing, and control line management on performance and cruising yachts.

Spinnaker and gennaker sheet handling for offshore racing boats.

High-load applications where reliable line holding and easy release are critical.

Explore the Lewmar DC1 and DC2 clutch range on Upffront

For sailors looking for a technically advanced, reliable, and rope-friendly clutch solution, the Lewmar DC1 and DC2 clutch models offer unparalleled performance. Whether upgrading an existing setup or integrating into a new deck layout, these clutches provide excellent versatility and longevity.

Discover the full range of Lewmar rope clutches available on our website: 

Lewmar Rope Clutches