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J/105

J/105

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Specifications Under Current Rules

J/105
Number of crew 2-3
LOA 34.44 ft 10.5m
LWL
Waterline length
The Waterline length is a measurement of ships and boats. The term denotes the length of the vessel at the point where it sits in the water. It excludes the total length of the boat, such as features that are out of the water...

29.53 ft 9.0m
Draft
Draft (hull)
The draft of a ship's hull is the vertical distance between the waterline and the bottom of the hull , with the thickness of the hull included; in the case of not being included the draft outline would be obtained...

6.5 ft (optional 5.5 ft shoal draft) 1.98 m (1.67m shoal draft)
Beam
Beam (nautical)
The beam of a ship is its width at the widest point. Generally speaking, the wider the beam of a ship , the more initial stability it has, at expense of reserve stability in the event of a capsize, where more energy is required to right the vessel from its inverted position...

11.0 ft 3.35 m
Hull
Hull (watercraft)
A hull is the watertight body of a ship or boat. Above the hull is the superstructure and/or deckhouse, where present. The line where the hull meets the water surface is called the waterline.The structure of the hull varies depending on the vessel type...

 weight
3,400 lb 1,542 kg
Displacement 7,750 lb 3,515 kg
Engine 20 hp 14.9 kW
Sail Area Total 577 ft^2 53.6 m^2


The International J/105 is a fixed keel "one design
One-design
One-Design is a racing method where all vehicles or boats have identical or very similar designs or models. It is also known as Spec series. It is heavily used in sailboat racing. All competitors in a race are then judged based on a single start time...

" racing sailboat
Sailboat
A sailboat or sailing boat is a boat propelled partly or entirely by sails. The term covers a variety of boats, larger than small vessels such as sailboards and smaller than sailing ships, but distinctions in the size are not strictly defined and what constitutes a sailing ship, sailboat, or a...

. It was the first production boat featuring a retractable bowsprit
Bowsprit
The bowsprit of a sailing vessel is a pole extending forward from the vessel's prow. It provides an anchor point for the forestay, allowing the fore-mast to be stepped farther forward on the hull.-Origin:...

, which allows for an unusually large asymmetric spinnaker
Spinnaker
A spinnaker is a special type of sail that is designed specifically for sailing off the wind from a reaching course to a downwind, i.e. with the wind 90°–180° off the bow. The spinnaker fills with wind and balloons out in front of the boat when it is deployed, called flying. It is constructed of...

.
It was introduced in 1991 by J/Boats and designed by Rod Johnstone.
J/105s are a common sight in one design racing
and as of 2006, J/Boats has built over 720 J/105s.
The J/105 is regarded as a fast design with a clean deck layout.
It was selected as the 1992 "Boat of the Year" in the Racer/Cruiser category by Sailing
Sailing
Sailing is the propulsion of a vehicle and the control of its movement with large foils called sails. By changing the rigging, rudder, and sometimes the keel or centre board, a sailor manages the force of the wind on the sails in order to move the boat relative to its surrounding medium and...

 World Magazine.
The concept behind the J/105 line is to produce boats that are fast, strong, fun and easy to sail
Sail
A sail is any type of surface intended to move a vessel, vehicle or rotor by being placed in a wind—in essence a propulsion wing. Sails are used in sailing.-History of sails:...

 shorthanded while racing in One Design fleets or while cruising with dodger raised, sails furled and swim ladder swung off the transom.

J/105 has the stability, rig and sail controls to handle 15-20 knot winds without the need of reefing. It has the strength and seaworthiness for ocean going passages.

The J/105 is the most successful one-design keelboat
Keelboat
Keelboat has two distinct meanings related to two different types of boats: one a riverine cargo-capable working boat, and the other a classification for small- to mid-sized recreational sailing yachts.-Historical keel-boats:...

 class over 30' in the USA with over 676 boats sailing
Sailing
Sailing is the propulsion of a vehicle and the control of its movement with large foils called sails. By changing the rigging, rudder, and sometimes the keel or centre board, a sailor manages the force of the wind on the sails in order to move the boat relative to its surrounding medium and...

worldwide. The class association is an owner managed organization with strict one-design rules.

In 2008, J/Boats announced that new J/105 production commenced at the US Watercraft facility in Portsmouth, Rhode Island. US Watercraft is also the official builder for the International J/22 (since 2001) and International J/24 (since 1999).

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