The Cal 3-27 is an American

sailboat A sailboat or sailing boat is a boat propelled partly or entirely by sails and is smaller than a sailing ship. Distinctions in what constitutes a sailing boat and ship vary by region and maritime culture. Types Although sailboat terminology ...

, that was designed by

William Lapworth Charles William Lapworth (12 December 1919 – 3 April 2006) was an American naval architect who designed a large number of sailboats, many of them for Cal Yachts. He was active as a designer from the early 1950s until the 1980s. Described as ...

and first built in 1983. The Cal 3-27 is a development of the Cal 2-27, which was in turn a development of the

Cal 27 The Cal 27 is an American sailboat, that was designed by William Lapworth and first built in 1971. Production The boat was built by Jensen Marine in the United States, who completed 306 examples between 1971 and 1974. It is now out of produc ...

. The Cal 3-27 was also marketed as the Cal 27 Mk III and then later just as the Cal 27.

Production

The boat was built by Cal Yachts/ Jensen Marine in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

between 1983 and 1985, but it is now out of production.

Design

The Cal 3-27 is a small recreational

keelboat A keelboat is a riverine cargo-capable working boat, or a small- to mid-sized recreational sailing yacht. The boats in the first category have shallow structural keels, and are nearly flat-bottomed and often used leeboards if forced in open w ...

, built predominantly of

fiberglass Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cl ...

, with wood trim. It has a

masthead sloop A masthead rig on a sailing vessel consists of a forestay and backstay both attached at the top of the mast. The Bermuda rig can be split into two groups: the masthead rig and the fractional rig. The masthead rig has larger and more headsails, a ...

rig, an

inboard motor An inboard motor is a marine propulsion system for boats. As opposed to an outboard motor where an engine is mounted outside the hull of the craft, an ''inboard motor'' is an engine enclosed within the hull of the boat, usually connected to a prop ...

, an internally-mounted spade-type

rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adverse yaw a ...

and a fixed fin

keel The keel is the bottom-most longitudinal structural element on a vessel. On some sailboats, it may have a hydrodynamic and counterbalancing purpose, as well. As the laying down of the keel is the initial step in the construction of a ship, in B ...

. It displaces and carries of ballast. The boat has a draft of with the standard keel and with the optional shoal draft keel. A tall mast was also an option with a main sail luff ("P" parameter) higher. The boat has a

hull speed Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-t ...

of .

References

{{Cal Yachts Keelboats 1980s sailboat type designs Sailing yachts Sailboat type designs by Bill Lapworth Sailboat types built by Cal Yachts

Production

Design

See also

References