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Concrete ships are built primarily with ferrocement (reinforced concrete) hulls, reinforced with steel bars. [1] This contrasts against more traditional materials, such as pure steel or wood. The advantage of ferrocement construction is that materials are cheap and readily available, while the disadvantages are that construction labor costs are ...
SS Atlantus is the most famous of the twelve concrete ships built by the Liberty Ship Building Company [4] in Brunswick, Georgia, United States, during and after World War I. The steamer was launched on 5 December 1918, and was the second concrete ship constructed in the World War I Emergency Fleet. The war had ended a month earlier, and so ...
Olympias achieved a speed of 9 knots (17 km/h) and was able to perform 180 degree turns within one minute, in an arc no wider than two and a half (2.5) ship-lengths. These results, achieved with an inexperienced, mixed crew, suggest that ancient historians like Thucydides were not exaggerating about the capabilities of triremes.
At the Battle of Arginusae for example, 263 ships were involved, making for a total of 55,000 men, and at the Battle of Aegospotami more than 300 ships and 60,000 seamen were involved. [67] In Battle of Aegospotami , the city-state of Athens lost what was left of its navy: the once 'invincible' thalassocracy lost 170 ships (costing some 400 ...
The starboard side, as it looked in June, 2010. SS Sapona was a concrete-hulled cargo steamer that ran aground near Bimini during a hurricane in 1926. The wreck of the ship is easily visible above the water, and is both a navigational landmark for boaters and a popular dive site.
Syracusia (Greek: Συρακουσία, syrakousía, literally "of Syracuse") was an ancient Greek ship sometimes claimed to be the largest transport ship of antiquity. [1] She was reportedly too big for any port in Sicily, and thus only sailed once from Syracuse in Sicily to Alexandria in the Ptolemaic Kingdom of Egypt , whereupon she was ...
Operation started in 1957 when Greek business tycoon Stavros Niarchos purchased the ruined shipyard and rebuilt and expanded its facilities; since then the company has built many civilian and military ships. Military constructions include Greek-designed fast patrol boats and gunboats, as well as frigates, fast attack crafts, submarines, etc ...
Founded in 1968, it has constructed many types of ships, including the largest bulk carriers built in Greece, as well as military ships. The latter include the Jason -class tank landing ships (LST) developed by Elefsis Shipyards (first launched in 1987), a series of Fast Attack Crafts, and the largest ship of the Greek Navy, support ship ...