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About the ship
About Götheborg of Sweden
It’s not easy to build an 18th-century ship in full 1:1 scale without the help of any original drawings. It doesn’t make it any easier when solely using the tools, building methods and materials of that time. In addition to that, the ship has to fulfil today’s safety requirements from authorities. However, sometimes, impossible dreams grow wings and take flight. Götheborg was, during its expeditions, the largest sailing wooden ship in the world.
Length & width
The keel of the new Götheborg was laid 11 June 1995. This had been preceded by several years of preparation, and much more work was yet to come before the construction of the new ship could commence one year later. The three materials of the keel that were placed on the keel blocks are the largest parts present in the hull – the oak logs weighed about ten tonnes before the materials were cut out.
Measured in logs, 4,000 m3 of oak and pinewood was used to finish the hull. After making a 1:1 scale drawing of the hull form, the manufacturing of the beam could begin – an effort that would last for two whole years. When all the beams and stems were elevated, one could observe how big and impressive the ship would become.
The next step was to fill the beams with planks, on both the inside and outside, to give the hull a longitudinal strength and make it waterproof. The work of the deck planking required a great deal of craftsmanship; each and every plank is unique, and the ones up to 16 centimetres in thickness have to match the beams, stems, and the other planks.
To shape the planks in accordance with the hull, they were steamed for several hours in order for them to soften. Thereafter, with the help of large screw clamps, the plank had to be quickly bent against the beams before hardening again. Once the planks that would bear the deck beams were in place, they could be lifted into the hull. The deck planks would then be placed on the deck beams.
There are three whole decks on the ship: A lower deck, an upper deck, and a weather deck. Further, the stern has a cabin deck and sundeck. To make the hull waterproof, every plank has a wedge-shaped aperture, a joint, into which tarred flax is put. Not only does this make the hull waterproof, but also more resilient and strong. There is a total of 16 kilometers of joints in the deck and planking. Given that a skilled person would caulk 40 metres per day, one could understand that this was a time-consuming operation that required endurance.
The last big step that remained before launching was to protect the lower part of the hull from shipworms that are found in saltwater and that feed on wood. A blanket made out of tar and cattle hair was laid close to the planking as a protection from the worms. The exterior of the blanket was nailed with thin pine wood planks, and finally anti-fouling paint.
Pine & oak
3, and a sundeck aft
The spaces used by the 18th-century crew has been kept as historically accurate as possible. For instance, the green colour of the furniture comes from a board of a cutting found during the excavation. The main body of today’s crew and most of the modern technology are placed in the space that at the time used to be the cargo hold. A lot of effort has also been put into concealing all the pipes, cables and culverts passing through the interior.
Today, most of the technical equipment is found in the room at the bottom of the ship; an engine room with generators and propulsion machinery, a tank room for diesel and water, and storage of supplies under the galley of the ship’s forepart. In the forepart of the ship’s lower deck, there is a galley where food is prepared. The rear of the galley has two crew halls for the deckhands to sleep, either in hammocks or in a berth, while the cabins for the permanent crew are found in the stern ship. The upper deck mainly consists of the so-called gun deck, in which the 18th-century crew settled. During voyages, this was used as a common space for the entire crew where they dined and socialised. The aft part of the deck contains cabins for the permanent crew and the great cabin.
At the rear end of the weather deck, there is a cabin deck and sundeck. The cabin deck, named after the cabins of the captain and chief officer, is found under the aft, while the deck protecting the helm and steering position from the sun is found under the sundeck.
Götheborg of Sweden has 26 sails with a total area of 1,964 m². The regular set of sails is comprised of 18 sails with a total area of 1,550 m².
The sails on board were historically made out of hemp or flax. For the new sails, flax was chosen, as flax canvas is still being produced today. Flax is a durable material that was extensively used in Sweden during the 17th and 18th centuries.
Götheborg has three different sails aboard, the most common being the square rigs. These sails are laced to yards with lace lines och are hauled down using haul and tacks to the desired trim. The biggest sail on board is the main topsail with an area of almost 250 square meters. There is a total of nine square rigs on board that make up a total of 1300 square meters.
The staysail is smaller and is a triangular sail that is diagonally hoisted between the masts. The use of the staysail was only introduced at the beginning of the 18th century. When looking at older ships, for instance, like the Wasa War Ship from the 17th century, there were no staysails at all. Out of the six staysails at Götheborg, the jib is the biggest and the gallant staysail the smallest.
Apart from the square rigs and staysail, there is the lateen mizzen, which is the sail aft. The spanker, which is a lateen sail, is listed on a sprit and is primarily used to balance the vessel’s weather helm and lee helm.
All of the sails aboard are made, maintained and repaired by hand. Firstly, all the canvasses are stitched together, forming a large enough area. The sail is then cut out and the sides are folded. Once this is done, details such as cringles and boltropes are stitched on. During voyages, sailmakers were always present on board to repair the sails if any damages occurred. It takes eight years for a sailmaker to make all the sails for the ship.
- Lateen mizzen
- Mizzen topsail
- Main topgallant sail
- Main topsail
- Main sail
- Fore topgallant sail
- Fore topsail
- Fore sail
- The jib
- Fore topmast staysail
- Spritsail topsail
Apart from the above, Götheborg is able to raise eight studding-sails that were hoisted upon the squaresail with the help of rods that prolong the yard. These were only used during lighter winds. The studding-sails are comprised of two fore-top studding-sails, two fore studding-sails, two main top studding-sails, and two main studding-sails.
Type of sails
Square rig, staysail, lateen, studding-sail
Number of sails
26, including the studding-sails
Main topgallant staysail
Main topsail, 250 square meters
Total sail area
1 964 meters
The 18th century East Indiamen were mainly downwind vessels. The rigging is an exact replica of the original one from the 18th century. Rigging is the common title of all masts, rods, and other spars – as in yards, bowsprits, and sprits – as well as sails, blocks, and ropes.
The ropes of the standing rigging (the shroud and the stay) and the running rigging together have a weight of about 20 tons. There exist no contemporary methods for the manoeuvre of the rigging; it was completely handled with manpower. The capstan on board, which is aimed to provide extra power when needed, was also managed with manpower.
The East Indiaman Götheborg is a three-masted ship with square rigs (square sails) on all three masts. The mainmast and the foremast have topgallant sails, topsails and courses. The aftermast has a topsail and a Latin type spanker sail. In the bow is the bowsprit with a jib boom, and hanging below that are two more square sails: the spritsail and the sprit-topsail. A ship of this kind used to be called a frigate-rigged ship, although we nowadays refer to it as a full-rigged ship.
Type of rig
Full-rigged square sails
Height above waterline
Number of blocks
Number of masts
Number of yards
Pine and fir
Pine and fir
20 tons hand-made hemp
In order to ensure the safety of the professional crew on board, authorities and classification bodies require an amount of technical equipment.
The ship contains propulsion machinery, power generators, pumps, equipment for producing drinking water, high-pressure fire extinguishers, a modern kitchen with fridges and freezers, ventilation, air conditioning, and a complete laundry room. These are all well concealed in the interior of the ship, creating "two ships in one" – a historical and a modern one.
The ship is equipped with GPS, radar, satellite radio, etc. Even old navigation instruments such as Octants and a Dutchman’s log have been used for study purposes. Modern equipment is an official safety requirement from the authorities. Without this equipment, the ship would not be allowed to sail the world’s oceans.
There are around 600 monitored spots aboard Götheborg. The system can be used in turning on pumps, opening valves, regulating fans, and much more.
In order to plan the vessel’s technical maintenance, there are time meters on all equipment. During voyages, the most critical temperature, pressure, fuel, and water levels are read and registered every four hours around the clock. Everything is meticulously documented which helps the technical staff to monitor and look after all the equipment in the best possible way. The monitoring system also includes highly sophisticated fire and safety equipment.
Engines and propellers
The vessel is fitted with two adjustable propellers and two 404 kW engines. The electricity supply comes from two 180 kW generators, in addition to an emergency generator. Apart from propulsion machinery and generators, the engine room is equipped with pumps, a boiler, a bilgewater separator, and an air compressor.
The front cargo room has two tank rooms filled with technical equipment. Between the rooms, there are five waterproof steel bulkheads. Furthermore, two large floodable bilge pumps are able to pump up to 500 tonnes an hour. The fuel room is located in the aftmost tank room and can hold 36 000 litres in total. The full capacity of the machinery and generator consumes approximately 2000 litres a day. The vessel’s toilet system is connected to 12 toilets around the ship and is also located in the stern. The water room is found in the front tank room and contains water production equipment and a laundry room.
The galley is located one deck below and is an ultra-modern compact kitchen with a convection oven, tiltable pans and cookware, a cold bench, and more. The scullery is located next to the Galley, containing a dishwasher and other equipment.
Two Volvo Penta 404 kW
36 000 litres
GPS, radar, gyrocompass, ECDIS
Two 180 kW, Volvo Penta 103
The crew on board Götheborg when she's sailing consists of about 80 persons. One-fourth of these is professional crew, while the remaining are volunteer crew and deckhands.
The Commander/Captain of the ship is the highest authority on board and is to a large extent responsible for the overall safety of the ship and the crew.
The Chief Officer
The Chief Officer is the Captain’s deputy and is responsible for the daily management on board. The Chief Officer, together with the Seaman, is also responsible for the inspection and maintenance of the rigging, and supporting the deck officers and watch leaders in handling the rigging.
The 2nd Officer, Navigation Manager
The 2nd Officer, Navigation Manager, is responsible for preparing nautical charts for the voyages, planning sailing routes, controlling editions of navigational literature, and correcting charts. The Navigation Manager is also responsible for inspections, tests and maintenance of the navigation and communication equipment.
The 2nd Officer, Chief of Security
The 2nd Officer, Chief of Security is responsible for inspections, tests, and maintenance of the safety equipment on board. The Chief of Security also plan and implement safety exercises together with the Commander, the Chief Officer and the Technical Manager.
The Chief Engineer
The Chief Engineer is responsible for the operation and maintenance of the ship’s machinery, as well as organising and implementing the ship’s fire and safety exercises, in cooperation with the Chief Officer. The Chief Engineer is also was also in charge of planning and preparing the safety crew.
The 1st Engineer
The 1st Engineer is the Chief Engineer’s deputy and is in charge of the day-to-day technical management.
The Engineer carries out the daily technical operations and maintenance of the machinery and technical department.
The Bosun leads the deck crew in the day-to-day work with the hull, deck, and rigging. The Bosun also inspects and maintains the rigging, as well as puts the deck crew to work.
The Watch Leader
The Watch Leader is in charge of leading the deckhands in their daily tasks on board, such as the handling of sails and rigging, cleaning the decks, cabins, and other spaces. The Watch Leader also instructs the watch guards in seamanship.
The Carpenter is responsible for the maintenance and manufacturing onboard, tackling both minor and major repairs.
The Sailmaker is responsible for the repairs and maintenance of the sails on board. Götheborg of Sweden has 1964 square meters of sail and a number of reserve sails for the most essential sails.
The Chief and the Second Cook
What would the East Indiaman Götheborg be without good food, prepared by the highly appreciated ship cooks? From early morning till late evening, the cooks work with preparing and cooking breakfast, lunch, and supper for the 80 persons on board. Between the meals, morning and afternoon coffee is served. When extra help is needed in the kitchen, the cooks receive assistance from certain deckhands. The Chief Cook is responsible for all the purchases to the galley and supervises the work of the Second Chef and the Messman.
The Messman is responsible for the logistics for the meals served on board and leads the deckhands who assist in the galley. The Messman is also responsible for the ship’s laundry, as well as the cleanliness and tidiness of the galley and aft pantry.
A deckhand is part of one of three “watch teams” under the leadership of a watch leader. The duties involve watchkeeping at sea and ports, sail and rig management, which means working on high altitudes, maintenance on the deck, cleaning and assisting in the galley.
The Ship Doctor
The Ship Doctor is responsible for the medical care on board and reports directly to the Commander. The Ship Doctor contributes to preventive healthcare and carries out other tasks when necessary. Doctors are only on board during long voyages when it can be difficult to get medical assistance from ashore. When the Ship Doctor is not present, a deck officer is in charge of healthcare matters.
The Nurse is subordinate to the Ship Doctor and is responsible for the ship’s medical supplies. A nurse is always present on all voyages.
Max 80 during voyages
80 persons for 60 days
80 persons for 30 days
What started with a somewhat grumpy car ride in 2001, resulted in twenty years of passionate interest in the ship Götheborg. Recently, Inga Blomstrand and Leif Bäckman, joined their 40th weekend of volunteering at the ship.
The main yard on the ship Götheborg is 23 meters long and weighs 1.7 tonnes – and we're making a new one! This involves great craftmanship and many hours of hard work. Hear our carpenter Manne explain the work being done in our workshop in Gothenburg.