CONSTRUCTION.
Construction of Mary Rose began on 29 January 1510 in Portsmouth and she was launched in July 1511. She was then towed to London and fitted with rigging and decking, and supplied with armaments. Other than the structural details needed to sail, stock and arm the Mary Rose, she was also equipped with flags, banners and streamers (extremely elongated flags that were flown from the top of the masts) that were either painted or gilded.[5]
Constructing a warship of the size of the Mary Rose was a major undertaking, requiring vast quantities of high-quality material. For a state-of-the-art warship, these materials were primarily oak. The total amount of timber needed for the construction can only be roughly calculated since only about one third of the ship still exists.[6] One estimate for the number of trees is around 600 mostly large oaks, representing about 16 hectares (40 acres) of woodland.[7]
The huge trees that had been common in Europe and the British Isles in previous centuries were by the 16th century quite rare, which meant that timbers were brought in from all over southern England. The largest timbers used in the construction were of roughly the same size as those used in the roofs of the largest cathedrals in the High Middle Ages. An unworked hull plank would have weighed over 300 kg (660 lb), and one of the main deck beams would have weighed close to three-quarters of a tonne
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