The Discovery 7.9 is a Canadian

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 terminolo ...

, that was designed by

Alex McGruer Alex is a given name. It can refer to a shortened version of Alexander, Alexandra, Alexis. People Multiple *Alex Brown (disambiguation), multiple people *Alex Gordon (disambiguation), multiple people *Alex Harris (disambiguation), multiple peop ...

and first built in 1975. The Discovery 7.9 is a development of the

Grampian 26 The Grampian 26 is a Canadian sailboat, that was designed by Alex McGruer and first built in 1967. The Grampian 26 design was developed into the Discovery 7.9 in 1975 and which was built in small numbers. Production The boat was built by G ...

Production

The boat was built by Grampian Marine in

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

between 1975 and 1977, but it is now out of production. Only a small number were completed. After Grampian's end of production the molds were acquired by a new company who built a small number of boats with different window arrangements.

Design

The Discovery 7.9 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 clo ...

, 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, ...

rig, a

raked stem The stem is the most forward part of a boat or ship's bow and is an extension of the keel itself. It is often found on wooden boats or ships, but not exclusively. Description The stem is the curved edge stretching from the keel below, up to ...

, a vertical transom, a transom-hung

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 adve ...

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 Br ...

. It displaces and carries of ballast. The boat has a draft of with the standard keel fitted. The design 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

External links

* {{Grampian Marine Keelboats 1970s sailboat type designs Sailing yachts Sailboat type designs by Alex McGruer Sailboat types built by Grampian Marine

Production

Design

See also

References

External links