Years.34 Such numbers suggest an estimated life expectancy of perhaps fifteen to twenty Only three were said to be older, with an eldest of 50 Twelve of these ships were 10 years of age or less. Were precisely dated in documents of the High Court of the Admiralty in an effort toĪssess their longevity. Repairs or retirement after only 5 to 15 years. In the fourteenth and fifteenth centuries, many ships seemed to require extensive Outliers and were considered very old ships Although some reached greater ages of 40 to 50 years, those that did were the These numbers seem to represent the mid-range of life-spans of wooden The Montegue and the Achilles of 1774 lasted about twice as long, lasting The Hawke, builtĪt Deptford in 1795, was constructed using half winter-felled and half summer-felled oak as an experiment to test their relative longevity both halves were badly decayed after Seasons in hopes that the conditions would provide greater longevity. Impact on woodlands (discussed below), and trees were even harvested during different Were caulked with pitch and tar as waterproofing, the production of which caused its own Constant submersion in sea water andĮxposure to harsh weather hardly provide ideal conditions for wood preservation. Into trying to preserve the wooden hulls of ships. Reached until an age of at least 150 years.30 Even Rackham places the age of aĬommercially harvestable oak at up to 150 years. Used in shipbuilding were required to be at least 20 inches in diameter, a thickness not In operation, while the entirety of the country Patrick Melby, Insatiable Shipyards:The Impact of the Royal Navy on the World’s Forests, 1200-1850 (Thesis), 2012ĥ0,000 loads of oak per year to keep its shipyards
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