Page 350 - Encyclopedia Of World History Vol IV
P. 350

sailing ships 1651












            (a galley with three banks of oars, a sail, and a large bat-  these vessels exhibit shell-first construction, rather than
            tering ram on the bow just at the waterline), which could  frame-first construction, which would become the stan-
            damage and sink enemy ships. The trireme had a single  dard during the high Middle Ages.
            mast and sails that were square rigged, but during battle  Byzantine ships continued Greco-Roman building
            rowers were used for maneuverability and control. The  practices, including mortise-and-tenon joinery of the
            Greeks used the trireme at the Battle of Salamis in the  planks, as evidenced by the Yassi Ada shipwreck of the
            Saronic Gulf in 480 BCE, when the Athenians defeated a  seventh century  CE, excavated by George Bass in the
            larger Persian fleet and won the Persian Wars.       1960s. The earliest known clinker boat, the Nydam
              Researchers have found Roman merchant ships in    boat (310–320 CE), is of northern European origin and
            abundance in the Mediterranean and Black Seas; more  is about 23 meters long with a double-ended hull, a fea-
            than four hundred wrecks have been identified. Roman  ture that the Roman historian Tacitus mentioned as
            merchant ships relied exclusively on sail power and were  characteristic of Scandinavian boats in the late first cen-
            used to transport all manner of goods, including wine,  tury  CE. These early Scandinavian boats were rowed
            olive oil, marble, and grain. The majority of merchant  rather than sailed; sails were not introduced in Scandi-
            ships were single or double masted, with square sails,  navia until around the seventh century  CE. With the
            and sometimes a triangular topsail on the main mast.The  introduction of the sail the true Viking age began; Scan-
            second mast, in front of the main mast, was rigged with  dinavian sailors traveled throughout the North Sea and
            a smaller steering sail called the “artemon.” These were  Baltic Sea and eventually ventured as far as North Amer-
            medium-sized ships that could haul a cargo of around  ica and the Black Sea.The Norman invasion of England
            300 metric tons. Most impressive in the Roman mer-  in 1066 CE, long after the Viking raids had ceased, was
            chant fleet of the first and second centuries CE were the  carried out using longboats (large oared boats) in the
            navis oneraria (transport ships) that carried grain from  Scandinavian style.
            Egypt and north Africa to the Roman port of Ostia,    Beginning during the twelfth century in the northern
            sometimes 1,200 metric tons in a single voyage.     European towns of the Hanseatic League (a league orig-
              The earliest northern European planked boats date  inally constituted of merchants of free German cities), a
            from 1217–715 BCE.They were relatively small river craft,  new kind of sailing vessel was created. The cog was a
            about 14 meters long, called “Ferriby” and “Brigg”      round merchant vessel with high sides, built for
            boats. They were discovered in the Humber                     hauling cargo. Cogs included high structures
            River in Yorkshire, England, and have a                           called  “castles” both fore and aft to
            complex sewn-plank joinery.The ear-                                    house archers or gunners to help
            liest  Asian evidence of planked                                       protect the ships from raiders. Sin-
            construction dates to 50 BCE.The                                       gle masted, square rigged, with a
            Hjortspring boat, discovered in a                                      large centerline rudder in the
            peat bog in Denmark, dates to                                          stern, cogs required only a small
            300  BCE and is constructed of                                         crew to handle. By the twelfth cen-
            plank with lashings holding the                                        tury inexpensive, machine-sawn
            boat together and overlapping                                          planks, made possible by the
            strakes (continuous bands of hull                                      hydraulic sawmill, replaced split
            planking or plates on a ship).                                         wood planks, and large ships that
            Experts think this boat was a fore-  A sailing ship in the style used  took advantage of this plentiful
            runner of the clinker (overlapping  by fifteenth-century European       supply of planks appeared. Larger
            plank) Scandinavian craft. All of  explorers.                          cogs were built with more masts,
   345   346   347   348   349   350   351   352   353   354   355