SS Great Eastern SS Great Eastern SS "Great Eastern" was an iron sailing steamship designed by Isambard Kingdom Brunel, and built by J. Scott Russell & Co. at Millwall Iron Works on the River Thames, London. She was by far the largest ship ever built at the time of her 1858 launch, and had the capacity to carry 4,000 passengers from England to Australia without refuelling. Her length of was only surpassed in 1899 by the 17,274-gross-ton RMS "Oceanic", her gross tonnage of 18,915 was only surpassed in 1901 by the 21,035-gross-ton RMS "Celtic", and her 4,000-passenger capacity was surpassed in 1913 by
Isambard Kingdom Brunel as the cube of its dimensions, whereas the amount of resistance a ship experienced from the water as it travelled only increased by a square of its dimensions. This would mean that moving a larger ship would take proportionately less fuel than a smaller ship. To test this theory, Brunel offered his services for free to the Great Western Steamship Company, which appointed him to its building committee and entrusted him with designing its first ship, the . When it was built, the "Great Western" was the longest ship in the world at with a keel. The ship was constructed