The X-612 Sailboat
Specs & Key Performance Indicators

The X-612, an aft-cockpit sloop, was designed by Niels Jeppesen and built in Denmark by X-Yachts.

An X-612 fast cruising yacht at anchor in Chatham Bay, Union Island, West IndiesThe X-612

Published Specification for the X-612

  • Underwater Profile: Fin keel with bulb & spade rudder
  • Hull Material: GRP (Fibreglass)
  • Length Overall: 60'0" (18.3m)
  • Waterline Length: 52'1" (15.9m)
  • Beam: 16'9" (5.1m)
  • Draft: 9'6" (2.9m)
  • Rig Type: Masthead Sloop
  • Displacement: 47,400lb (21,500kg)
  • Designer: Niels Jeppesen
  • Builder: X-Yachts (Denmark)
  • Year First Built: 1995
  • Year Last Built: 2004
  • Number Built: 12

Published Design Ratios for the X-612

Sail Area/Displacement Ratio: 23.0

Ballast/Displacement Ratio: 42.3

Displacement/Length Ratio: 150

Comfort Ratio: 31.5

Capsize Screening Formula: 1.9

Read more about these Key Performance Indicators...

Summary Analysis of the Design Ratios for the X-612

1. A Sail Area/Displacement Ratio of 23.0 suggests that, in the right hands, the X-612 will have enough performance to leave most other sailboats of similar waterline length well astern. 

2. A Ballast/Displacement Ratio of 42.3 means that the X-612 will stand up well to her canvas in a blow, helping her to power through the waves.

3. A Displacement/Length Ratio of 150, tells us the X-612 is clearly a light displacement sailboat. If she's loaded with too much heavy cruising gear her performance will suffer to a degree.

4. Ted Brewer's Comfort Ratio of 31.5 suggests that crew comfort of a X-612 in a seaway is similar to what you would associate with the motion of a moderate bluewater cruising boat - a predictable and acceptable motion for most seasoned sailors.

5. The Capsize Screening Formula (CSF) of 1.9 tells us that a X-612 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0. 

X-612 Sailboat: A Fast and Comfortable Cruiser

If you are looking for a sailing boat that combines speed, performance and comfort, you might want to check out the X-612 yacht. This is a 60-foot masthead sloop designed by Niels Jeppesen and built by X-Yachts, a Danish company known for its high-quality and innovative sailboats. The X-612 was produced between 1995 and 2004, and only 12 units were built, making it a rare and exclusive model.

The X-612 is a light and fast sailboat that can easily reach speeds of over 10 knots in moderate winds. It has a sleek and elegant hull shape, with a low freeboard and a narrow stern. The boat is very stable and stiff, thanks to its deep fin keel with a bulb, its balanced spade rudder, and its powerful rig. The boat is also very responsive and easy to steer.

The X-612 is designed to offer maximum comfort and space for its crew and guests. It has a spacious cockpit that can accommodate up to 10 people, with a large folding table and comfortable seats. The cockpit is well protected by a sprayhood and a bimini top, and has easy access to the transom platform. The boat also has a wide side deck that allows safe and easy movement around the boat.

The interior of the X-612 is bright and airy, with plenty of natural light and ventilation from the large windows and hatches. The boat has a classic layout, with three or four separate cabins, two or three heads, a large saloon, a galley, and a navigation station. The boat can sleep up to eight people comfortably, with plenty of storage space for their belongings. The interior is finished in high-quality teak woodwork, with leather or fabric upholstery.

The X-612 has two versions of accommodation layout: the standard version and the owner's version. The standard version has four cabins: two aft cabins with double berths, one forward cabin with a V-berth, and one midship cabin with upper and lower berths. The boat also has three heads: one shared by the aft cabins, one shared by the forward cabin and the midship cabin, and one en-suite for the owner's cabin. The owner's version has three cabins: one large aft cabin with a centerline double berth and an en-suite head, one forward cabin with a V-berth and an en-suite head, and one midship cabin with upper and lower berths. The boat also has a separate shower room next to the midship cabin.

The saloon of the X-612 is located amidships, and has a U-shaped settee on the port side that can seat up to eight people around a large folding table. The table can also be lowered to create an extra berth if needed. On the starboard side of the saloon, there is another settee that can be used as a single berth or as a lounge area. There is also a TV cabinet with a stereo system and speakers.

The galley of the X-612 is located on the port side of the companionway, opposite the navigation station. It is well equipped with a three-burner stove with oven, a double sink with hot and cold water, a top-loading refrigerator, a front-loading freezer, and plenty of storage cabinets and drawers for utensils and provisions.
The navigation station of the X-612 is located on the starboard side of the companionway, next to the main electrical panel. It has a large chart table with ample space for instruments and charts, a comfortable seat with backrest, and several lockers for books and tools.

Hull and Deck
The hull of the X-612 is made of fiberglass sandwich construction with balsa core for strength and insulation. The hull is reinforced with carbon fiber in high-stress areas such as around the keel and rudder fittings. The hull is also coated with epoxy resin for protection against osmosis.

The deck of the X-612 is also made of fiberglass sandwich construction with balsa core for stiffness and lightness. The deck is bonded to the hull with epoxy resin and through-bolted for extra security. The deck has an anti-slip surface for safety and comfort.

The X-612 has a large self-draining cockpit that can accommodate up to 10 people comfortably. The cockpit also has a large folding table that can be used for dining or charting, and a sprayhood and a bimini top that can be deployed for protection from the sun and the rain. The cockpit also has easy access to the transom platform, which has a swim ladder and a shower.

The X-612 has a wide side deck that allows safe and easy movement around the boat. The side deck has stainless steel handrails and stanchions, with double lifelines for security. The side deck also has six mooring cleats, four fairleads, and several pad eyes for attaching fenders and lines.
The X-612 has a spacious foredeck that can be used for sunbathing or anchoring. The foredeck has a large anchor locker that can store the anchor, the chain, and the windlass. The foredeck also has a bow roller that can accommodate two anchors, and a bow pulpit with navigation lights.

Mast and Rigging
The X-612 has a masthead sloop rig, with a deck-stepped aluminum mast and a boom. The mast is supported by two sets of swept-back spreaders, and has internal halyards and wiring. The mast also has a masthead light, a steaming light, a deck light, and a windex.

The X-612 has a fractional rigging system, with stainless steel wire shrouds and stays. The rigging is adjustable with turnbuckles and tensioners, and has chainplates attached to the hull. The rigging also has a backstay adjuster that can be used to change the mast bend and the sail shape. The X-612 has a fully battened mainsail with three reefing points, and an in-boom reefing system that allows easy handling of the sail. The mainsail also has lazy jacks and a stack pack that help to
fold and store the sail when not in use. The mainsail is controlled by two winches on the cabin top, and two traveler tracks on the cockpit coaming.

The X-612 has a roller furling genoa with UV protection, and an optional gennaker or spinnaker for downwind sailing. The genoa is controlled by two winches on the cockpit coaming, and two genoa tracks on the side deck. The gennaker or spinnaker is controlled by two winches on the cockpit coaming, and two spinnaker poles on the mast.

Keel and Rudder
The X-612 has a deep fin keel with a bulb that provides stability and performance. The keel is made of cast iron with lead ballast, and is bolted to the hull with stainless steel bolts. The keel also has an epoxy coating for protection against corrosion.

The X-612 has a balanced spade rudder that provides maneuverability and responsiveness. The rudder is made of fiberglass sandwich construction with foam core, and is attached to the hull with stainless steel rudder stock and bearings. The rudder also has an emergency tiller that can be used in case of steering failure.

Why Choose the X-612 Sailboat?
The X-612 sailboat is a great choice for recreational sailors who want to enjoy fast and comfortable cruising in style. The boat offers:

  • A sleek and elegant design that turns heads wherever it goes;
  • A light and fast hull that can reach speeds of over 10 knots in moderate winds;
  • A powerful and adjustable rig that can handle various wind conditions;
  • A spacious and comfortable cockpit that can accommodate up to 10 people;
  • A bright and airy interior that can sleep up to eight people in three or four separate cabins;
  • A well equipped galley that can cater for long voyages;
  • A classic layout that offers privacy and convenience for the crew and guests.

The above text was drafted by using GPT-4 (OpenAI’s large-scale language-generation model) as a research assistant to develop source material; we believe it to be accurate to the best of our knowledge.

Other sailboats in the X-Boats range include:

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