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'''Clipper ships''' were long, narrow, very fast sailing ships designed by Americans (1843-1869) for very long voyages, as to China.  The were [[full-rigged ship]]s that had upwards of an acre of canvas; the design made for limited cargo space.

'''Clipper ships''' were long, narrow, very fast sailing ships designed by Americans (1843-1869) for very long voyages, as to China.  The were [[full-rigged ship]]s that had upwards of an acre of canvas; the design made for limited cargo space.

The set many speed records. The "Flying Cloud" in 1854 went from Boston to San Francisco in 89 days 8 hours.  The "Sovereign of the Seas" once sailed 421 nautical miles (227 km) in a day--an average of 20.2 mph (32.5 km/h), or 17.5  

They set many speed records. The "Flying Cloud" in 1854 went from Boston to San Francisco in 89 days 8 hours.  The "Sovereign of the Seas" once sailed 421 nautical miles (227 km) in a day--an average of 20.2 mph (32.5 km/h), or 17.5  

knots, which is faster than the cruising speed of most cargo ships today.  

knots, which is faster than the cruising speed of most cargo ships today.