Santo Antonio de Tanna? story and reconstruction

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Title: Santo Antonio de Tanna? story and reconstruction
Author: Fraga, Tiago Miguel
Abstract: Buy a puzzle , assemble it , and destroy its original box . Take the puzzle , go to a lake , throw the puzzle in the lake , and leave it for a few weeks . Return to the lake and try to rebuild the puzzle from the remaining pieces . Such is the challenge of the research goals presented on this abstract - the reconstruction of a Portuguese frigate , Santo Antonio de Tanna ? , from its submerged remains . This thesis focuses on the mechanisms of reconstructing the ship , including the thought process , new computer tools , and imagination required for an archaeologist to be a detective of lost eras . The main objective was to understand the construction of a late Seventeenth -century Portuguese frigate . Frigates were responsible for patrolling the seas , intercepting fastmoving vessels , re -supplying military trading stations , and protecting trade routes . The existence of Portuguese frigates was known from historical records , but Santo Antonio de Tanna ? is the only frigate identified in the archaeological record . As such , its reconstruction should enable scholars to better understand the actual capabilities of seventeenth century frigates . A particular challenge in this study was ascertaining the manner in which Santo Antonio de Tanna ?'s construction reflected the state of affairs of the Portuguese trade network . Although their construction methods were advanced , the Portuguese adopted a shipbuilding design that was not able to compete as well in the new conditions of a changing global context . This study clearly demonstrate that cargo capacity was given greater emphasis than either speed or maneuverability , illustrating the on -going necessity of the Portuguese to build military ships with cargo capacity sufficient for minimal trade , even at the expense of speed . These were just the first steps in terms of what could be learned from the reconstruction . The best method to understand the ship , a three -dimensional object , was to recreate it into a three -dimensional environment in order to create a more accurate model . The resulting model permitted research to extend beyond the limits of the individual line drawings through the added benefit of being able to calculate hydrodynamics , sailing characteristics , and other data based on the ship's morphology .
URI: http : / /hdl .handle .net /1969 .1 /85780
Date: 2008-10-10


Santo Antonio de Tanna? story and reconstruction. Available electronically from http : / /hdl .handle .net /1969 .1 /85780 .

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