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In page Sailing ship:

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Fast schooners and brigantines, called Baltimore clippers, were used for blockade running and as privateers in the early 1800s. These evolved into three-masted, usually ship-rigged sailing vessels, optimized for speed with fine lines that lessened their cargo capacity.[1] Sea trade with China became important in that period which favored a combination of speed and cargo volume, which was met by building vessels with long waterlines, fine bows and tall masts, generously equipped with sails for maximum speed. Masts were as high as 100 feet (30 m) and were able to achieve speeds of 19 knots (35 km/h), allowing for passages of up to 465 nautical miles (861 km) per 24 hours. Clippers yielded to bulkier, slower vessels, which became economically competitive in the mid 19th century.[2]