HH Catamarans HH46-SC-18 (Sports Cruising)

Introducing the HH46-SC-18, a remarkable sports cruising catamaran designed by the renowned naval architects Morrelli & Melvin and expertly crafted by HH Catamarans. This innovative vessel represents the pinnacle of high-performance sailing, seamlessly integrating advanced composite construction with cutting-edge hybrid-electric technology. The HH46-SC-18 is not just a boat; it’s an invitation to experience the thrill of sailing while enjoying the luxuries of a modern cruising yacht.

One of the standout features of the HH46-SC-18 is its construction. The catamaran is built using an epoxy-infused foam sandwich composite structure, reinforced extensively with carbon fiber, which provides exceptional strength and durability while minimizing weight. This construction method sets it apart from many production catamarans that typically utilize polyester or vinylester resin systems. The result is a yacht that boasts a robust and lightweight profile, enhancing both performance and longevity.

Key structural features of the HH46-SC-18 include:

• Full carbon-reinforced structural skeleton
• Carbon bulkheads, beams, bridge deck, and high-load areas
• Carbon longeron, striker, and rigging
• Carbon daggerboards for enhanced maneuverability
• Infused epoxy hulls with e-glass outer laminates
• Approximately 800 mm (31.5 in) bridge deck clearance to minimize slamming in offshore conditions

The SC version of this catamaran is lighter and more performance-oriented compared to its OC (Ocean Cruiser) counterpart. With the inclusion of daggerboards, the HH46-SC-18 significantly improves upwind efficiency and generates vertical lift, allowing for superior speed and handling in a variety of wind conditions.

In terms of build quality and engineering, the HH46-SC-18 is classified as a semi-custom yacht, enabling owners to tailor layouts, systems, interiors, and sailing packages to their specific preferences. HH Catamarans places a strong emphasis on engineering integration, ensuring that luxury is not merely added onto a standard platform but is built into the very essence of the yacht. Notable engineering highlights include:

• Hybrid EcoDrive System featuring twin diesel engines and twin 10 kW electric motors
• Regeneration capability while sailing
• A large lithium battery bank
• A massive integrated solar array generating over 4 kW

Unlike fully electric vessels, the HH46-SC-18 retains traditional diesel propulsion for offshore redundancy and reliability.

The deck and helm of the HH46-SC-18 are designed with practicality in mind, featuring several innovative attributes such as:

• Adjustable swing helms that can rotate inward or outward for optimal control
• Hidden line routing for cleaner side decks
• Folding transoms that convert into swim platforms for easy access to water activities
• Push-button traveler systems for simplified sail adjustments
• Large ventilation “safari” forward windows for enhanced airflow

Performance is a defining characteristic of the HH46-SC-18, distinguishing it from many other luxury cruising catamarans. The SC version is optimized for:

• Fast passagemaking
• Light-air efficiency
• Offshore capabilities
• Short-handed sailing experience
• Reduced reliance on motoring

The innovative C-shaped daggerboards dramatically enhance upwind angles, speed in light air, control in higher wind speeds, and overall sailing efficiency. During sea trials, the HH46-SC-18 demonstrated impressive performance metrics, achieving speeds of approximately 8-9 knots in moderate cruising conditions and 10-11+ knots in 16-18 knots of wind. One reviewer noted, “To be able to go 8 knots when everyone else is motoring is the best.”

Despite its performance-oriented design, the HH46-SC-18 remains a true cruising yacht, offering:

• Reduced bridge-deck slap for a comfortable ride
• Stable motion offshore for a relaxing experience
• A quiet structure due to carbon rigidity
• Protected helm positions for safe navigation
• A spacious cockpit and salon designed for socializing and relaxation

The overall character of the HH46-SC-18 seamlessly blends the exhilarating aspects of race-inspired multihulls with the comfort and luxury expected from long-range cruising catamarans. This vessel is ideally suited for owners who prioritize:

• Sailing performance
• Modern hybrid systems
• Lightweight engineering
• Offshore capability
• Contemporary luxury

Whether you seek thrilling adventures on the high seas or tranquil voyages along the coast, the HH46-SC-18 is ready to elevate your sailing experience to new heights.

Variation:

For Interior package - Cocos: Changed all interior fixtures to black as Bali/Skye

Extended topsides paint T6188 Teal to cover transom doors (in place of standard white gelcoat)

Added 1x power outlet with USB-C on flat surface under STARBOARD AFT windowsill beside galley fridge (location is 100mm away from aft cockpit window and 350mm away from fridge cabinet to avoid the rope tunnel underneath)

Added 1x power socket with USB-C on the flat surface under PORT FORWARD windowsill beside the chart table

Added 1x power socket with USB-C on the flat surface under STARBOARD FORWARD windowsill beside the saloon settee area (located next to the starboard head skylight frame)

Added 1x power socket with USB-C on the side surface of the starboard saloon settee (opposite to the saloon table leg)

Navigation Package - Upgraded a Zeus 3S 16'' chartplotter to Zeus SR 16'' chartplotter at nav station

Navigation Package - Upgraded two Zeus 3S 12'' chartplotters to Zeus SR 12'' chartplotters at both helms

Navigation Package - Upgraded WS310 (wired) wind sensor to WS720 vertical wind sensor, connect it to NEMA2000 via the WS310/700 wired interface

Navigation Package - Upgraded primary autopilot system to H5000 system, including:
- Add a Hercules Sailing Processor
- Add a H5000 3D motion sensor
- Upgrade NAC-3 autopilot computer to H5000 autopilot computer
- Upgrade Triton² autopilot controller to H5000 autopilot controller (at port helm)