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 terminology ...

, that was designed by

Alex McGruer Alex is a given name. Similar names are Alexander, Alexandra, Alexey or Alexis_(given_name), Alexis. People Multiple *Alex Brown (disambiguation), multiple people *Alex Cook (disambiguation), multiple people *Alex Forsyth (disambiguation), multi ...

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 Gram ...

Production

The boat was built by

Grampian Marine Grampian Marine Limited was a Canadian boat builder based in Oakville, Ontario. The company specialized in the design and manufacture of fiberglass sailboats. The company was founded by Jim Bisiker in 1962 and operated until 1977. History ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

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 (English in the Commonwealth of Nations, Commonwealth English) is a common type of fibre-reinforced plastic, fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened i ...

, 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, 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, airship, or other vehicle that moves through a fluid medium (usually air or water). On an airplane, the rudder is used primarily to counter adverse yaw ...

and a fixed fin

keel The keel is the bottom-most longitudinal structural element of a watercraft, important for stability. On some sailboats, it may have a fluid dynamics, hydrodynamic and counterbalancing purpose as well. The keel laying, laying of the keel is often ...

. 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- ...

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