The J/111 is an American sailboat that was designed by Alan Johnstone as a one-design racer-cruiser and first built in 2010. The boat is named for its length overall in decimeters.
The design is a World Sailing international class keelboat.
Production The design has been built by J/Boats in the United States, since 2010 and remains in production.
Design The J/111 is a recreational keelboat, built predominantly of fiberglass. Construction is glass reinforced polyester and a balsa fiberglass vinylester sandwich via vacuum bag molding. It has a fractional sloop rig with a keel-stepped carbon fiber mast with two sets of swept spreaders, an aluminum boom and steel rod rigging. It has a retractable bowsprit, a plumb stem, an open and sightly reverse transom, an internally mounted spade-type rudder controlled by a wheel and a fixed cast iron, fin keel with a weighted lead bulb. It displaces and carries of ballast.
The boat has a draft of with the standard keel.
The boat is fitted with a Swedish Volvo D1-20 diesel engine of for docking and maneuvering. The fuel tank holds and the fresh water tank has a capacity of . The holding tank is
The design has sleeping accommodation for six to eight people, with a double "V"-berth in the bow cabin, two straight settee berths in the main cabin around a folding table, two aft quarter berths, plus two optional fold-up sea-berths. The galley is located on the port side at the companionway ladder. The galley is L-shaped and is equipped with a two-burner stove and a sink. A navigation station is opposite the galley, on the starboard side. The enclosed head is located just aft of the bow cabin on the port side. Cabin head room is .
For sailing downwind the design may be equipped with an asymmetrical spinnaker of , flown from the retractable bowsprit.
The design has a hull speed of .
Operational history The boat is supported by an active class club that organizes racing events, the J/111 Class Association.
See also List of sailing boat types
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