Morrelli & Melvin “Changing Everyone’s Views...” May/June 2014 MULTIHULLSREPORTING ON CATAMARANS AND TRIMARANS WORLDWIDE SINCE 1975 www.MULTIHULLSMag.com Cover Story: The New SL 33 One Design Also in this issue: www.multihullsmag.com | MULTIHULLS Magazine New Boat by Pat Reischmann 46 Evolution of the Ultimate Offshore Cruising Catamaran at Reischmann and Cortland Steck N.A. have col- As the catamaran market has expanded in recent years, more laborated to create the new Manta 46 as the next designs have been developed for either the charter business, or Pgeneration design for the original concept of the Manta the very exclusive high performance end. Consequently there 38-42 sailing catamaran. That original concept focused on the exists an ever larger gap in production designs for the extended direct needs and requirements of the extended or full time live or full time live aboard cruiser who wants to venture offshore. aboard cruising couple. Starting in 1994 the original Manta design had been very Design Concept - With advancements in design and technology, particularly tion end in 2008, and today still enjoys a loyal following with in communication and navigational electronics, extended or strong brand recognition. full time live aboard cruisers are expanding their horizons. Consequently they are looking for higher cruising speeds under power and sail, with more comfort, safety, and livability in offshore conditions. To meet this requirement, the new design includes the following features: 1. High bridge deck clearance to accommodate larger seas without pounding. and power than the production charter catamaran designs. 3. Livable accommodation plan with the focus on one couple with occasional guests. 34 MULTIHULLS Magazine | May/June 2014 4. Systems layouts designed for easy access and self- service. 5. Sail handling systems that enables either gender to single hand in any condition and any point of sail. 6. Cockpit ergonomics designed for all weather protection and 360-degree visibility and comfort, for extended watches at the helm. 7. An advanced electrical system that offers true self 8. Robust anchoring system for dual anchors and easy deployment and retrieval. Deck On deck the wide side decks enable easy access when mov- ing fore and aft, and the entire surface has functional molded in non-skid. Deck features include: strut which provide better wave clearance, sure footing when working the forward area, and eliminate the need for a gull striker, while still providing good trampoline space. Hull Design and Construction centerline strut and positioned below deck for unobstructed It was determined that the overall size should be between deck space and protection of anchoring gear. 45-46 feet in length to remain manageable for one couple, while still possessing the ability to sail frequently at double digit speeds. main deck drain aft, to prevent hull streaking and stand- Hull design features include: ing water. This enables a narrow waterline while presenting a larger for easy boarding from dinghy or floating dock, and hull beam above the waterline for interior requirements. folding/telescoping swim ladders that are stored under spray on deck. These wave piercing bows are separate watertight sections that will not allow water intrusion in tapered stainless steel stanchions with double life lines the event of breach from severe impact. and gates, and port & starboard bow rail seats. - tile and damage resistant way of providing outstanding upwind performance offshore and shallow draft inshore, while still providing good bilge sump volume and rudder and drive protection. placed well aft for maximum control. abrasion resistant guard. easier access from the bows when docking. Cabin top The cabin top has crown for the quick shedding of water and hardtop. and has an overhanging eyebrow providing shade to the salon windows there by reducing radiant heat. www.multihullsmag.com | MULTIHULLS Magazine 6535 Cabin top features include: Cockpit The cockpit is designed for maximum comfort during long with handrails, enabling quick and safe access to the cabin passages. top and hardtop ladder. Cockpit features include: added safety. on long watches, positioned to provide 360 degree visibility. reduced interior heat, safety, and no maintenance. wheel, and panel space for all electronics, gauges and Forward centerline salon opening hatch, as well as port engine shift/throttles. & starboard overhead hatches for added main salon ventilation. top, which provides access to storage area for charts and other items. Hardtop for ventilation, wing doors, and adjustable air condition- The multi-function hardtop was a unique and integral part ing ducting, make the cockpit another very comfortable of the success of the original Manta design. Hardtop features include: - ing four lounge areas in the cockpit. attachment point for the mainsheet. rain water catchment section. retractable shades to monitor sail trim. - shield and enclosure from radiant heat. of electronics 36 MULTIHULLS Magazine | May/June 2014 position for all weather visibility. under the aft cockpit seating and cockpit sole. Sail Handling As with the original Manta, single handed sailing capability is a standard feature. All sail handling can be conducted from the safety of the cockpit by one person. Sail handling features include: with an adjustable bridle, to enable moving the tack of lines lead to the helm through sheet stoppers, to manual the Code Zero sail to windward or leeward, for more ef- and electric winches mounted on the vertical cockpit bulk- head, feeding to an integral line bin. - bridle control lines lead to the aft cockpit, where there are ers, that provides less weight and wind resistance aloft, winches port and starboard for trimming the sail. a lower center of gravity, less interference with mainsail shape, and natural depowering. with vertical battens. Interior The interior layout is focused on the needs of the live aboard any point of sail, lazy jacks, and boom brake/preventer. couple with occasional guests and offers two equal staterooms, with large heads and separate shower stalls in each hull. There is a work room with space for an optional water maker and with integral boom brake/preventer, for twist control on bow thruster to port, and a laundry room with a combo washer/ any point of sail. dryer to starboard. www.multihullsmag.com | MULTIHULLS Magazine 37 Interior features include: Engine room Since full time cruisers routinely perform their own main- staterooms. tenance, separate engine rooms with adequate working space, ventilation, lighting, and headroom are a must. underneath. Engine room features include: and integral ladder. and arm rests. - able duct which can be opened to allow air conditioning berth. in with the hatch closed. for access to storage underneath. on a sliding shelf providing easy service, the 10 kW isola- tion transformer is located in the starboard engine room. reduction of radiant heat. each holding 50’ of shore power cord, and mini fold out privacy/ sun shade. tool trays, and storage shelves for tools, oil, spare parts etc. upper and lower storage cabinets, and large counter space. for lifting engines. making, in sliding drawer appliance space. Mechanical/Electrical/ Plumbing For ease of service and maintenance, unobstructed access storage space below. to all systems and equipment is a priority. Mechanical Mechanical systems are installed with a high priority for - reliability and ease of servicing. where in the salon and galley with wiring for optional Mechanical system features include: TV’s in staterooms. - with sail drives and folding propellers. ing hatches, ten recessed opening ports, and eight day/ night solar vents. an extremely durable and maintenance free steering system. 38 MULTIHULLS Magazine | May/June 2014 located under port aft berth. control. services an on deck chafe free anchor roller. enough for security in any condition. salt water bibs in foredeck locker. Conclusion: Electrical Once produced the Manta 46 will provide a higher level The electrical system is designed for complete electrical of quality and performance than charter oriented production catamarans, while still offering competitive value. Electrical system features include: This will be accomplished by developing intelligent tooling that focuses on creating well thought out composite components. 50 amp shore power cord, and 8-9 kW AC generator. battery bank. Engines have their own start batteries iso- while offering a sizable reduction of assembly man-hours. lated from the house bank. As a design and concept, the Manta 46 can truly be regarded - ing is supplied though an inverter/charger and high output in the world in comfort and style. engine alternators. All charging devices utilize state of the art smart regulation. For more info contact Pat Reischmann at: preischmann@msn. com or Phone: 727-432-5441, visit: www.hytechmarine.com. all AC/DC breakers, and digital monitoring for all AC/ DC information. Designed by Cortland Steck of Cortland Steck Yacht Designs, 350 90th Ave NE, St Petersburg, FL 33702. Call 727-579-9256 and surge protection for electrical circuits. or e-mail: [email protected] MM power consumption. Length over all center line bow rail. Beam over all LWL Plumbing Bridgedeck clearance 41’ / 12.5 m - nections. Draft (boards up) 4’ / 1.22 m Plumbing system features include: Draft (boards down) 8’ / 2.44 m - Displacement 25,200 lbs / 11,431 kg bution manifolds in the salon and both hulls. Sail Area (total) 1239 ft2 / 116 m Main 846 ft2 / m Jib 357 ft2 / m saltwater wash down. Air Draft 72’ / 30 m - ing tanks below port and starboard cabin soles, y- valve, SAD 22.35 macerators, and deck access for pump out. L/B 12.14 DLR 64.2 Fresh Water Capacity 150 gal / 568 l manual bilge pumps. Fuel Capacity 150 gal / 568 l Black Water Capacity 2 x 50 gal / 2 x 190 l for galley stove. www.multihullsmag.com | MULTIHULLS Magazine 39.