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1706 Establishment
The 1706 Establishment was the first formal set of dimensions for ships of the Royal Navy. Two previous sets of dimensions had existed before, though these were only for specific shipbuilding programs running for only a given amount of time. In contrast, the 1706 Establishment was intended to be permanent.
==Origins==
Dimensions for ships had been established for the "Thirty Ships" building program of 1677, and while these dimensions saw use until 1695, this was merely because of the success of the 1677 ships and the lack of perceived need to change them. Dimensions were then laid down for the 1691 "Twenty-seven Ships" program to build seventeen eighty-gun and ten sixty-gun double-decked ships of the line, though the dimensions were abandoned before the program was complete, with the final four eighty-gun ships being constructed with three gun-decks.〔
The origins of the formalized 1706 Establishment can be traced to February 1705, when Prince George of Denmark, the Lord High Admiral at the time, ordered the Navy Board to determine a set of dimensions for second-rate ships. Though the second-rate ships appear to have been the central focus of the Establishment, the Board was also directed to consider dimensions for ships of the third- (80 and 70 guns), fourth- (60 and 50 guns), and fifth-rate ships (40 and 30 guns). Because of their rarity and power, first rates were not addressed by the Establishment and were given individual designs, whilst smaller vessels had a low enough cost to allow experimentation. The Navy Board used existing ships considered to be the best in their respective classes as the bases for these dimensions.〔
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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