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Tangaroa Expedition
The Tangaroa Expedition of 2006 closely resembled the Kon-Tiki expedition sailing a balsa raft from Peru to Polynesia. Tangaroa outperformed Kon-Tiki by having an improved sail rig and by actively using guaras (centerboards). As such, the expedition represents a scientific continuation of Thor Heyerdahl's experiments in recreated maritime technology.〔Campoletti, P J ("The Theory of the Archaeological Raft: Motivation, Method, and Madness in Experimental Archaeology" ), ''EXARC'', Issue 2012/1. Retrieved on 19 January 2015.〕
The raft was named after the Māori sea-god Tangaroa. Based on records of ancient vessels, the raft used a relatively sophisticated square sail that allowed sailing into the wind, or tacking. It was high by wide. The raft also included a set of modern navigation and communication equipment, including solar panels, portable computers, and desalination equipment.〔Equipment on the Tangaroa included GPS (Global Positioning System), F-77 satellite antenna, AUS (Automatic Identification System), six solar panels to generate electricity, wind generators, desalination equipment, telephone, Internet, 3 Apple Mac iBook computers, DVD player and an iPod. (Azerbaijan International, Vol. 14:4 ) (Winter 2006), p. 35〕 The crew posted to their website.
Tangaroa's six-man crew was led by Norwegian Torgeir Higraff and included Olav Heyerdahl, grandson of Thor Heyerdahl, Bjarne Krekvik (captain), Øyvin Lauten (executive officer), Swedish Anders Berg (photographer) and Peruvian Roberto Sala.〔Tangaroa Crew. Azerbaijan International, Vol 14:4 (Winter 2006), p. 31.〕 Tangaroa was launched on the same day that Kon-Tiki had been—April 28—and it reached its destination on July 7, which was 30 days faster than Heyerdahl's Kon-Tiki which had taken 101 days for the voyage. Tangaroa's speed was credited to the proper use of the quara centerboards in navigation. Heyerdahl had not known how to correctly use them.
A documentary, ''The Tangaroa Expedition'' (''Ekspedisionen Tangaroa''), was produced by Videomaker (Norwegian), 2007, shot by photographers Anders Berg and Jenssen.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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