Practical Sailor · vidéo

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Saildrone Incorporated, founded in 2012 and based in Alameda, California, operates a fleet of unmanned sailing vessels used by NOAA, NASA, the U.S. Navy, and the Coast Guard for ocean data collection, mapping, and maritime law enforcement.0:48 The company builds three models: the 23-foot Explorer, which can remain at sea up to 365 days averaging 3 knots; the 33-foot Voyager with a 4-kilowatt auxiliary electric motor averaging 5 knots; and the 72-foot, 14-ton Surveyor, which carries multi-beam echo sounders capable of mapping ocean floors to 23,000 feet.2:50 On August 3, 2019, SD-1020 completed the first autonomous circumnavigation of Antarctica after 196 days and 13,670 miles in the Southern Ocean, surviving 50-foot waves and 80-mph winds.5:08 On September 30, 2021, SD-1045 sailed into Category 4 Hurricane Sam, recording 109.83 knots — a wind-speed record inside a hurricane.6:11 A full research vessel costs roughly $30,000 per day of data; a Saildrone collects equivalent data for $2,500.4:27 Saildrone and Alabama-based shipbuilder Austral plan to mass-produce the 65-foot Surveyor, with units already allocated to the U.S. Navy.8:33 Iran attempted to seize a Saildrone in the field; the attempt failed, and the CEO noted the vessels carry no classified information by design.7:19

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