View source for 1719 Establishment

{{Short description|Formalised set of dimensions for Royal Navy vessels}}
{{Use dmy dates|date=October 2019}}
{{Use British English|date=February 2018}}
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{{Infobox ship class overview
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|Operators={{navy|Kingdom of Great Britain}}
|Class before=[[1706 Establishment]]
|Class after=[[1745 Establishment]]
|Subclasses=
|Built range=1720–1750
|In commission range=
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The '''1719 Establishment''' was a set of mandatory requirements governing the construction of all [[Royal Navy]] warships capable of carrying more than 20 [[naval long gun]]s. It was designed to bring [[economies of scale]] through uniform vessel design, and ensure a degree of certainty about vessel capability once at sea, and was applied to all vessels from the [[first-rate]] to the [[fifth-rate]]. Once in effect, it superseded the [[1706 Establishment]], which had specified major dimensions for ships of the [[second-rate]], [[third-rate]] and [[fourth-rate]] only.<ref name=Lavery75>Lavery 1983, p. 75</ref>

The new Establishment in 1719 was not simply limited to specifying the overall dimensions of each type of warship, but now set out in great detail other factors used in constructing the ship, down to the thickness of timbers ("scantlings") used in construction and planking.

The Establishment adopted in 1719 was subject to substantial revisions in both 1733 and 1741, although on neither occasion was the 1719 Establishment replaced. A new Establishment was finally adopted in [[1745 Establishment|1745]].

Before the 1745 centralised all design work in the office of the [[Surveyor of the Navy]], the design of every vessel was the responsibility of the Master Shipwright in the dockyard in which that vessel was built; thus ships built to one Establishment has to conform to the dimensions and other measurements specified by that Establishment, but were to varying designs and therefore did not constitute a "class" in the modern use of the term. The exception to this was when ships were built under contract by commercial shipbuilders, for which a common design was prepared by the Surveyor and copies sent to the shipbuilder for execution; this only applied to some of the two-decker ships and smaller vessels (all three-deckers were built or rebuilt in the Royal Dockyards), and was almost exclusively a wartime occurrence.

==Background==

When the [[1706 Establishment]] had been introduced, [[Kingdom of Great Britain|British]] naval architecture had entered a period of highly conservative stagnation. The Establishments were intended to create standardisation throughout the fleet, in part to reduce the cost of maintaining Britain's large navy. The side effect was to almost eliminate any design innovation until the abolition of the Establishments in the early 1750s.{{Citation needed|date=March 2009}}

When King [[George I of Great Britain|George I]] ascended the throne in 1714, thus beginning the Hanoverian dynasty in Great Britain, the main institutions of the Royal Navy – the [[Board of Admiralty]] and the [[Navy Board]] – underwent the typical reorganisations associated with a change of régime. While the Admiralty became a much more political body, the Navy Board became populated by men who had learnt their trade during the formative years of the Establishment system. A very significant factor in the formation of the 1719 Establishment and its subsequent longevity is that the period of 1714–1739 was the most peaceful of the 18th Century.<ref name=Lavery75/>

A further contributory factor was the introduction of a new Establishment of Guns in 1716. Previously, gun establishments had catered for each ship, as there were often differences between ships of the same nominal size that would affect the armament they could carry. The 1716 gun establishment was intended to overturn that situation, so that all ships of a particular type (for example, 70 gun ships) would carry the same armament. The Navy Board highlighted the fact that there were still several ships in service that were physically incapable of carrying the prescribed armament, either due to the number and disposition of gunports, or to sturdiness of build. Essentially, however, the Navy Board resolved to undertake the task of having all ships rebuilt to common designs to facilitate the new gun establishment.<ref name=Lavery75/>

==1719 arrangements==

The new Establishment of dimensions, finalised in December 1719, was significantly more detailed than its predecessor. Admiralty instructions to the Navy Board were for comprehensive plans outlining in what manner all ships "may most properly be built (or rebuilt), to prove good sailors as well as ships of force."<ref>Winfield 2010, p53.</ref> The 1706 Establishment had sought to constrain only the basic dimensions (gundeck length, keel length, breadth, and depth in the hold), whereas the 1719 Establishment detailed everything from the keel length to the thickness of planks on each deck. The new Establishment was also expanded in scope to include [[first rate]]s, the dimensions for which were to be based upon {{HMS|Royal Sovereign|1701|6}}. In the other direction the new Establishment expanded down to include the sixth rates and the smaller (30-gun) fifth rates, so that all ships with 20 guns or more were covered. The dimensions for other ship types were adjusted according to experience with ships built to the 1706 Establishment.<ref name=Lavery7879>Lavery 1983, pp.78{{ndash}}79</ref>

Work on the 1719 Establishment was centralised at [[Deptford Dockyard]] with input from other yards. Plans were drawn up over 22 weeks from June to mid-November 1719. The largest component of this work was development of an Establishment for first-rates which had not been covered by any earlier standardised plans. The final first-rate Establishment drew heavily on the structure and dimensions of {{HMS|Royal Sovereign|1701|2}}, which was [[laid up]] for repairs at [[Chatham Dockyard]]. Final plans for the all rates of vessel were presented to Admiralty on 13 November and approved five days later for implementation in all new ships and those undergoing major repair.<ref>Winfield 2010, pp53{{ndash}}55</ref>

==1733 proposals and revisions==
Over time, as British shipbuilding remained stagnant, Britain's foreign maritime rivals, most notably [[Kingdom of France|France]], continued developing their own ships so that eventually the Navy Board was forced to take note. British ships by comparison with their foreign counterparts were usually significantly smaller – a practice that had come about through a combination of various factors differentiating the role of the Royal Navy from that of the continental navies, but a major factor was the need for a sizeable fleet, and the associated requirement to keep costs as low as practicable. However, by 1729 concerns were being expressed that the ships being built to the 1719 Establishment may be too small, and so a new ship, {{HMS|Centurion|1732|6}}, and {{HMS|Rippon|1735|6}} which was due for rebuilding, were built with slightly altered dimensions.<ref name=Lavery8183>Lavery 1983, pp. 81{{ndash}}83</ref>

In 1732 the Admiralty decided to ask the Master Shipwrights in each of the Royal dockyards to report to them on how best they thought the ships could be improved. The responses, when they finally arrived, were conservative, offering only minor adjustments to certain dimensions. There was little agreement between the changes proposed, and no further progress was made until May 1733 when Sir Jacob Ackworth of the Navy Board – the [[Surveyor of the Navy]] at the time – proposed to the Admiralty some changes to the dimensions of the 50-gun and 60-gun ships, most notably an increase in breadth. The Admiralty accepted these proposals, and the ones that followed in later months for the other types, and these new dimensions became the effective new Establishment, though they never technically superseded the 1719 dimensions; there was no 1733 Establishment. Indications are that the Admiralty desired more far-reaching reforms than what was actually implemented, but due in part to the absence of anyone with practical shipbuilding knowledge on the Board, the Board of Admiralty lacked the ability to realise them.<ref name=Lavery8183/>

==1741 proposals and revisions==
The true state of British ship design became apparent with the start of the [[War of Jenkins' Ear]]. The capture of the Spanish 70-gun ship [[HMS Princess (1740)|''Princessa'']] in April 1740 by three British 70-gun ships ({{HMS|Kent|1724|6}}, {{HMS|Lennox|1723|6}} and {{HMS|Orford|1727|6}}) took six hours of fighting despite one of ''Princessa's'' topmasts being missing. Her greater size (much closer to that of a British 90-gun ship than a 70) gave her stability that the British ships lacked, and her build quality allowed her to withstand the pounding from the three British ships for a long time.<ref name=Lavery8486>Lavery 1983, pp. 84{{ndash}}86</ref> By way of response to the now apparent individual inferiority of British ships over their opponents, a previously abandoned update to the gun establishment was called upon to increase the firepower of the ships. With heavier guns came the need for larger ships to carry them, and so Sir Jacob made a new set of proposals for increased dimensions—slightly less conservative this time around.<ref name=Lavery8486/> Additionally, the new gun establishment made some changes to the types of ships that would be on the navy list in future. The 70-gun ships would become 64-gunners, albeit with heavier guns as compensation, and the 60-gun ships were to become 58-gun ships, again with heavier guns.<ref name=Lavery8486/> No first rates were built to the dimensions of the 1741 proposals, but one ship of 74 guns and two of 66 were constructed.

An additional side effect of the war was the collapse of the system of rebuilding. Until the outbreak of the war, it had been the practice to rebuild ships periodically, to maintain the size of the fleet without alarming Parliament with requests for new ships. In reality, many of these rebuilds amounted to just that, with little or no timber from the original ship surviving into her rebuilt form. In some cases, ships would be dismantled years before they actually underwent the rebuilding process, but remained on the active list for the entire time. Rebuilding a ship was a lengthy process, more time-consuming and more expensive than building a completely new one.<ref name=Lavery7879/> The pressures of the war meant that for [[drydock]]s to be taken up for long periods of time whilst a ship was surveyed to determine what timber was reusable in the new ship, and what could find a use elsewhere in the dockyard, disassembled and then rebuilt was counter-productive. Ships intended to be sent to the [[West Indies]] for service in the war required the use of drydocks to have their hulls appropriately sheathed to combat such problems as shipworm, and other uses of the drydocks for servicing the fleet meant that rebuilds were given a low priority. It was at this time that the British practise of converting old ships to hulks for expanded storage space in harbours began, as instead of wasting effort and dockyard space on breaking up an old vessel that was still perfectly capable of floating, they were converted to serve the dockyards in this new capacity. Few rebuilds were started after 1739, and none at all were begun after 1742, although any that had been started were allowed to complete.<ref name=Lavery87>Lavery 1983, p. 87</ref>

==Individual ship types==
A different set of Establishment dimensions was defined for each size of ship, other than the smallest (i.e. the unrated) vessels.

===First rates of 100 guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 100-gun first rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p3">Winfield, ''British Warships in the Age of Sail 1714–1792'', p3.</ref>
|Ship type=100-gun [[first-rate]] [[ship of the line]]
|Ship tons burthen=1869 <small>{{fraction|42|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|174|ft|0|in|m|1|abbr=on}} (gundeck)
*{{convert|140|ft|7|in|m|1|abbr=on}} (keel)
|Ship beam={{convert|50|ft|0|in|m|1|abbr=on}}
|Ship draught=
|Ship hold depth={{convert|20|ft|0|in|m|1|abbr=on}}
|Ship sail plan=
|Ship complement=850 officers and men
|Ship armament=*100 guns:
* Lower deck: 28 × 42 or 32-pounders
* Middle deck: 28 × 24-pounders
* Upper deck: 28 × 12-pounders
* Quarter deck: 12 × 6-pounders
* Forecastle: 4 × 6-pounders
|Ship notes=
}}
|}

The 1719 Establishment for first rates took as its model the highly successful ''Royal Sovereign'' as rebuilt in 1704 (the subsequent ''Royal William'' and ''Britannia'' rebuildings had been to the same design dimensions and set of scantlings when they were launched in 1719). Thus all three of these rebuildings should be taken as being "to the 1719 Establishment" even though they actually predated that standard.

While no other first rates were built or rebuilt during the years between 1719 and 1733, the ''Royal Sovereign'' underwent a further rebuilding between 1723 and 1729.

The 1733 revision made no changes to the tonnage, length or breadth of the first rate, and only increased the depth in hold by 6&nbsp;inches. The 1741 revision substantively increased the dimensions to:
* Tons burthen: 1999 <small>{{fraction|70|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|178|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|144|ft|6.5|in|m|1|abbr=on}} (keel)
* Beam: {{convert|51|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|21|ft|6|in|m|1|abbr=on}}

Only one first rate was built to the 1733 dimensions. The [[HMS Victory (1737)|''Victory'']] was nominally a rebuilding of [[HMS Victory (1695)|its predecessor of 1695]], but this was strictly a legal fiction, as the old ship had been completely taken to pieces in 1721, and the new ship was not commenced until 1733. Following this ship, no first rate at all was built to the 1741 dimensions.

===Second rates of 90 guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 90-gun second rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p13">Winfield, ''British Warships in the Age of Sail 1714–1792'', p13.</ref>
|Ship type=90-gun [[second-rate]] ship of the line
|Ship tons burthen=1566 <small>{{fraction|89|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|164|ft|0|in|m|1|abbr=on}} (gundeck) 
*{{convert|132|ft|5|in|m|1|abbr=on}} (keel)
|Ship beam={{convert|47|ft|2|in|m|1|abbr=on}}
|Ship draught=
|Ship hold depth={{convert|18|ft|10|in|m|1|abbr=on}} 
|Ship sail plan=
|Ship complement=750 officers and men
|Ship armament=*90 guns: 
* Lower deck: 26 × 32-pounders
* Middle deck: 26 × 18-pounders
* Upper deck: 26 × 9-pounders (12-pounders from 1743)
* Quarter deck: 10 × 6-pounders
* Forecastle: 2 × 6-pounders
|Ship notes=
}}
|}

The 1719 Establishment revised the dimensions of these ships from the 1706 Establishment dimensions to those shown in the adjacent table. Five Second Rates were rebuilt from existing ships to this Establishment specification – the [[HMS Prince George (1701)|''Prince George'']] in 1719–1723, the [[HMS Union (1726)|''Union'']] in 1718–1726, the [[HMS Namur (1697)|''Namur'']] in 1723–1729, the [[HMS Neptune (1683)|''Neptune'']] in 1725–1730, and the [[HMS Marlborough (1706)|''Marlborough'']] in 1725–1732. Two more were ordered to be rebuilt to this Establishment, but were actually completed to the revised 1733 dimensions.

The 1733 revision increased the dimensions as follows:
* Tons burthen: 1626 <small>{{fraction|15|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|166|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|134|ft|1|in|m|1|abbr=on}} (keel)
* Beam: {{convert|47|ft|9|in|m|1|abbr=on}}
* Depth in hold: {{convert|19|ft|6|in|m|1|abbr=on}}

Two second rates were rebuilt to the 1733 dimensions, although initially ordered to the original 1719 Establishment. The [[HMS Vanguard (1678)|''Duke'']] was rebuilt in 1734–1739 and the [[HMS Charles (1668)|''St George'']] in 1739–1740. Again, two more were ordered to be rebuilt to these dimensions, but were actually completed to the revised 1741 dimensions.

The 1741 revision further increased the dimensions to:
* Tons burthen: 1678 <small>{{fraction|92|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|168|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|137|ft|0|in|m|1|abbr=on}} (keel)
* Beam: {{convert|48|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|20|ft|2|in|m|1|abbr=on}}

Two second rates were rebuilt to the 1741 dimensions, although initially ordered to the 1733 figures. The [[HMS Ramillies (1749)|''Ramillies'']] was rebuilt in 1743–1749 and the [[HMS Prince (1750)|''Prince'']] in 1743–1750.

===Third rates of 80 guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 80-gun third rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p30">Winfield, ''British Warships in the Age of Sail 1714–1792'', p30.</ref>
|Ship type=80-gun [[third-rate]] ship of the line
|Ship tons burthen=1350 <small>{{fraction|1|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|158|ft|0|in|m|1|abbr=on}} (gundeck)
*{{convert|128|ft|2|in|m|1|abbr=on}} (keel)
|Ship beam={{convert|44|ft|6|in|m|1|abbr=on}}
|Ship draught=
|Ship hold depth={{convert|18|ft|2|in|m|1|abbr=on}}
|Ship sail plan=
|Ship complement=520 officers and men (600 from 1733)
|Ship armament=*80 guns: (1743 armament in brackets)
* Lower deck: 26 × 32-pounders
* Middle deck: 26 × 12-pounders (18-pounders from 1743)
* Upper deck: 24 × 6-pounders (9-pounders from 1743)
* Quarter deck: 4 × 6-pounders
|Ship notes=
}}
|}

The 1719 Establishment revised the dimensions of these ships (the smallest class of [[three-decker]] warships) as shown in the adjacent table. Seven 80-gun ships were rebuilt to this specification before 1733 – the [[HMS Lancaster (1694)|''Lancaster'']] in 1719–1722, [[HMS Norfolk (1693)|''Norfolk'']] in 1718–1728, [[HMS Cornwall (1692)|''Cornwall'']] in 1723–1726, [[HMS Ranelagh (1697)|''Princess Caroline'']] in 1724–1731, [[HMS Humber (1693)|''Humber'']] in 1723–1726, [[HMS Somerset (1698)|''Somerset'']] in 1722(?)-1731 and [[HMS Russell (1692)|''Russell'']] in 1729–1735. An eighth ship – the ''Cumberland'' – was completed to the 1733 dimensions. The ''Humber'' was renamed ''Princess Amelia'' in 1727 and was cut down a deck into a 66-gun ship in 1747–1748.

The 1733 revision increased the dimensions as follows:
* Tons burthen: 1400 <small>{{fraction|67|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|158|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|127|ft|8|in|m|1|abbr=on}} (keel)
* Beam: {{convert|45|ft|5|in|m|1|abbr=on}}
* Depth in hold: {{convert|18|ft|7|in|m|1|abbr=on}}

Two 80-gun ships were rebuilt to these dimensions – the [[HMS Boyne (1692)|''Boyne'']] in 1736–1739 and [[HMS Cumberland (1710)|''Cumberland'']] in 1734–1739. The ''Cumberland'' was cut down a deck into a 66-gun ship in 1747–1748.

The 1741 revision further increased the dimensions to:
* Tons burthen: 1472 <small>{{fraction|53|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|161|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|130|ft|10|in|m|1|abbr=on}} (keel)
* Beam: {{convert|46|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|19|ft|4|in|m|1|abbr=on}}

One ship ([[HMS Culloden (1747)|''Culloden'']]) was built to the 1741 dimensions for 80-gun ships, but during construction was cut down a deck and completed in 1747 as a 74-gun two-decker ship with the following armament:
* Lower deck: 28 × 32-pounders
* Upper deck: 28 × 18-pounders
* Quarter deck: 14 × 9-pounders
* Forecastle: 4 × 9-pounders

Two ships ([[HMS Devonshire (1745)|''Devonshire'']] and [[HMS Lancaster (1749)|''Lancaster'']]) were built to the 1741 dimensions for 80-gun ships, but during construction were each cut down a deck and completed as 66-gun two-decker ships, each with the following armament:
*  Lower deck: 26 × 32-pounders
* Upper deck: 26 × 18-pounders
* Quarter deck: 10 × 9-pounders
* Forecastle: 4 × 9-pounders

===Third rates of 70 (later 64) guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 70-gun third rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p45">Winfield, ''British Warships in the Age of Sail 1714–1792'', p45.</ref>
|Ship type=70-gun third-rate ship of the line
|Ship tons burthen=1128 <small>{{fraction|9|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|151|ft|0|in|m|1|abbr=on}} (gundeck)
*{{convert|123|ft|2|in|m|1|abbr=on}} (keel)
|Ship beam={{convert|41|ft|6|in|m|1|abbr=on}} 
|Ship draught=
|Ship hold depth={{convert|17|ft|4|in|m|1|abbr=on}} 
|Ship sail plan=
|Ship complement=440 officers and men (480 from 1733)
|Ship armament=*70 guns (64 guns from 1743):
* Lower deck: 26 × 24-pounders (32-pounders from 1743)
* Upper deck: 26 × 12-pounders (18-pounders from 1743)
* Quarter deck: 14 × 6-pounders (10 × 9-pounders from 1743)
* Forecastle: 4 × 6-pounders (2 × 9-pounders from 1743)
|Ship notes=
}}
|}

The 1719 Establishment revised the dimensions of these ships as shown in the adjacent table. Eight 70-gun ships were rebuilt in 1717–1730 to these specifications – the ''Edinburgh'', ''Northumberland'', ''Captain'', ''Stirling Castle'', ''Lenox'', ''Kent'', ''Grafton'' and ''Ipswich'' – while four more were newbuilt, all at Deptford Dockyard – ''Burford'', ''Berwick'', ''Buckingham'', ''Prince of Orange'' (the last originally to have been named ''Bredah'').

The 1733 revision increased the dimensions as follows:
* Tons burthen: 1223 <small>{{fraction|23|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|151|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|122|ft|0|in|m|1|abbr=on}} (keel)
* Beam: {{convert|43|ft|5|in|m|1|abbr=on}}
* Depth in hold: {{convert|17|ft|9|in|m|1|abbr=on}}

Another twelve 70-gun ships were built or rebuilt to the 1733 dimensions – the ''Elizabeth'', ''Suffolk'', ''Essex'', ''Prince Frederick'', ''Nassau'', ''Bedford'', ''Royal Oak'', ''Revenge'', ''Stirling Castle'', ''Captain'', ''Monmouth'' and ''Berwick''.

The 1741 revision further increased the dimensions to:
* Tons burthen: 1291 <small>{{fraction|49|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|154|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|125|ft|5|in|m|1|abbr=on}} (keel)
* Beam: {{convert|44|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|18|ft|11|in|m|1|abbr=on}}

The 1743 Establishment of Guns altered these ships from 70-gun to 64-gun, but with more powerful ordnance as set out in the table.

===Fourth rates of 60 (later 58) guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 60-gun fourth rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p118">Winfield, ''British Warships in the Age of Sail 1714–1792'', p118.</ref>
|Ship type=60-gun [[fourth-rate]] ship of the line
|Ship tons burthen=951 <small>{{fraction|27|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|144|ft|0|in|m|1|abbr=on}} (gundeck)
*{{convert|117|ft|7|in|m|1|abbr=on}} (keel)
|Ship beam=*{{convert|39|ft|0|in|m|1|abbr=on}} (1719)
*{{convert|41|ft|5|in|m|1|abbr=on}} (1733)
|Ship draught=
|Ship hold depth=*{{convert|16|ft|5|in|m|1|abbr=on}} (1719)
*{{convert|16|ft|11|in|m|1|abbr=on}} (1733)
|Ship sail plan=
|Ship complement=365 officers and men (400 from 1733, 420 from 1743)
|Ship armament=*60 guns:
* Lower deck: 24 × 24-pounders
* Upper deck: 26 × 9-pounders
* Quarter deck: 8 × 6-pounders
* Forecastle: 2 × 6-pounders
|Ship notes=
}}
|}

The 1719 Establishment revised the dimensions of these ships as shown in the adjacent table. Three 60-gun ships were rebuilt to this specification during the early 1720s – the ''Plymouth'', ''Canterbury'' and ''Windsor'' – while the ''Dreadnought'' underwent a major repair amounting to a rebuild and a fifth ship – the ''Sunderland'' – was replaced by new construction. In the late 1720s, six new 60-gun ships were rebuilt to replace obsolete 50-gun ships – the ''Deptford'', ''Pembroke'', ''Tilbury'', ''Warwick'', ''Swallow'' and ''Centurion'' (the last-named to a somewhat broader specification), while the 60-gun ''Dunkirk'' was likewise rebuilt. A slightly lengthened ship – the ''Rippon'' – was built in 1730–1735.

The 1733 revision increased the dimensions as follows:
* Tons burthen: 1061 <small>{{fraction|49|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|144|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|116|ft|4|in|m|1|abbr=on}} (keel)
* Beam: {{convert|41|ft|5|in|m|1|abbr=on}}
* Depth in hold: {{convert|16|ft|11|in|m|1|abbr=on}}

Eleven vessels were initially built to this specification, including six built as replacements for obsolete 50-gun ships. These were the ''Weymouth'', ''Worcester'', ''Strafford'', ''Superb'', ''Jersey'', ''Augusta'', ''Dragon'', ''Lion'', ''Kingston'', ''Rupert'' and ''Princess Mary''. After 1739 another four were built – the ''Nottingham'' and ''Exeter'' in the Royal Dockyards and the ''Medway'' and ''Dreadnought'' by contract.

The 1741 revision further increased the dimensions to:
* Tons burthen: 1123 <small>{{fraction|57|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|147|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|119|ft|9|in|m|1|abbr=on}} (keel)
* Beam: {{convert|42|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|18|ft|1|in|m|1|abbr=on}}

Six ships were ordered to this specification – the ''Canterbury'', ''Sunderland'', ''Tilbury'', ''Princess Louisa'', ''Defiance'' and ''Eagle''. A seventh – ''Windsor'' – was built to a somewhat enlarged design.

The 1743 Establishment of Guns replaced the 26 9-pounder guns on the upper deck by 24 12-pounder guns, reducing the vessel to a 58-gun ship.

===Fourth rates of 50 guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 50-gun fourth rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p144">Winfield, ''British Warships in the Age of Sail 1714–1792'', p144.</ref>
|Ship type=50-gun [[fourth-rate]] ship of the line 
|Ship tons burthen=755 <small>{{fraction|89|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|134|ft|0|in|m|1|abbr=on}} (gundeck)
*{{convert|109|ft|8|in|m|1|abbr=on}} (keel)
|Ship beam={{convert|36|ft|0|in|m|1|abbr=on}}
|Ship draught=
|Ship hold depth={{convert|15|ft|2|in|m|1|abbr=on}}
|Ship sail plan=
|Ship complement=280 officers and men (300 from 1733)
|Ship armament=*50 guns:
* Lower deck: 22 × 18-pounders (24-pounders from 1743)
* Upper deck: 22 × 9-pounders (12-pounders from 1743)
* Quarter deck: 4 × 6-pounders
* Forecastle: 2 × 6-pounders
|Ship notes=
}}
|}

The 1716 Establishment of Guns for the smaller fourth rates had replaced the 12-pounder guns on their lower deck by 18-pounders, and the 6-pounders on their upper decks by 9-pounders; at the same time, it removed four of the smaller (6-pounder) guns from the quarterdeck, turning them from 54 to 50 guns. The 1719 Establishment revised the dimensions of these ships as shown in the adjacent table.

Fourteen vessels were rebuilt to this specification between 1718 and 1732 – the ''Falkland'', ''Chatham'', ''Colchester'', ''Leopard'', ''Portland'', ''Lichfield'', ''Argyll'', ''Assistance'', ''Romney'', ''Oxford'', ''Greenwich'', ''Falmouth'', ''Salisbury'' and ''Newcastle''.

The 1733 revision increased the dimensions as follows:
* Tons burthen: 853 <small>{{fraction|44|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|134|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|108|ft|3|in|m|1|abbr=on}} (keel)
* Beam: {{convert|38|ft|6|in|m|1|abbr=on}}
* Depth in hold: {{convert|15|ft|9|in|m|1|abbr=on}}

Eight ships were rebuilt to this specification in the Royal Dockyards – the ''Gloucester'', ''Severn'', ''Saint Albans'', ''Woolwich'', ''Dartmouth'', ''Guernsey'', ''Antelope'' and ''Preston''. Subsequently, four further vessels were newbuilt by commercial contract – the ''Hampshire'', ''Leopard'', ''Sutherland'' and ''Nonsuch''.

The 1741 revision further increased the dimensions to:
* Tons burthen: 968 <small>{{fraction|8|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|140|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|113|ft|9|in|m|1|abbr=on}} (keel)
* Beam: {{convert|40|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|17|ft|2.5|in|m|1|abbr=on}}

Fourteen vessels were newbuilt by contract to a common design by the Surveyor's Office – the ''Harwich'', ''Colchester'', ''Falkland'', ''Chester'', ''Winchester'', ''Portland'', ''Maidstone'', ''Gloucester'', ''Norwich'', ''Ruby'', ''Advice'', ''Salisbury''. ''Lichfield'' and a second ''Colchester'' (after the first was lost in 1744). A fifteenth vessel – ''Panther'' – was built to a local design at Plymouth Dockyard, and two others were also dockyard-built at Woolwich and Deptford to a lengthened design – the ''Bristol'' and ''Rochester''.

===Fifth rates of 40 guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 40-gun fifth rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p165">Winfield, ''British Warships in the Age of Sail 1714–1792'', p165.</ref>
|Ship type=40-gun [[fifth-rate]] 
|Ship tons burthen=594 <small>{{fraction|55|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|124|ft|0|in|m|1|abbr=on}} (gundeck)
*{{convert|101|ft|8|in|m|1|abbr=on}} (keel)
|Ship beam={{convert|33|ft|2|in|m|1|abbr=on}}
|Ship draught=
|Ship hold depth={{convert|14|ft|0|in|m|1|abbr=on}}
|Ship sail plan=
|Ship complement=190 officers and men (250 from 1733)
|Ship armament=*40 guns (44 guns from 1743):
* Lower deck: 20 × 12-pounders (18-pounders from 1743)
* Upper deck: 20 × 6-pounders (9-pounders from 1733)
* Quarter deck (from 1743): 4 × 6-pounders
|Ship notes=
}}
|}

The 1716 Establishment of Guns for the larger fifth rates had removed the four smaller guns from the quarterdeck and instead added a tenth pair of guns on the lower deck, turning them from 42 to 40 guns. However the lower deck guns were now 12-pounders instead of the former 9-pounders. Thirteen vessels were rebuilt to this specification – the ''Hector'', ''Anglesea'', ''Diamond'', ''Mary Galley'', ''Ludlow Castle'', Pearl'', Kinsale'', ''Lark'', ''Adventure'', ''Roebuck'', ''Torrington'', ''Princess Louisa'' and ''Southsea Castle''.

The 1733 revision made no change to the gundeck length of the 40-gun fifth rate, and actually reduced the keel length by 17&nbsp;inches. It substantially increased the beam by 26&nbsp;inches and the depth in hold by 6&nbsp;inches as follows:
* Tons burthen: 678 <small>{{fraction|33|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|123|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|100|ft|3|in|m|1|abbr=on}} (keel)
* Beam: {{convert|35|ft|8|in|m|1|abbr=on}}
* Depth in hold: {{convert|14|ft|6|in|m|1|abbr=on}}

A prototype to this specification – the ''Eltham'' – was rebuilt in 1734–1736 at Deptford. Thirteen more ships were ordered from commercial contractors from 1739 onwards – the ''Dover'', ''Folkestone'', ''Faversham'', ''Lynn'', ''Gosport'', ''Sapphire'', ''Hastings'', ''Liverpool'', ''Kinsale'', ''Adventure'', ''Diamond'', ''Launceston'' and ''Looe''.

By the late 1730s it was evident to Admiralty that the 44-gun fifth rates were inferior vessels; too small to stand in the line of battle but too large and slow for general cruising.<ref>Marcus 1975, p. 8</ref> To address some these defects the 1741 revision further increased the standard dimensions, to:
* Tons burthen: 706 <small>{{fraction|36|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|126|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|102|ft|6|in|m|1|abbr=on}} (keel)
* Beam: {{convert|36|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|15|ft|5.5|in|m|1|abbr=on}}

Thirteen ships were built to these specifications, again all by contract – the ''Anglesea'', ''Torrington'', ''Hector'', ''Roebuck'', ''Lark'', ''Pearl'', ''Mary Galley'', ''Ludlow Castle'', ''Fowey'', ''Looe'', ''Poole'', ''Southsea Castle'' and ''Chesterfield''. Three further ships followed a slightly amended design, with the depth in hold increased by a further 5&nbsp;inches – the ''Prince Edward'', another ''Anglesea'' and ''Thetis''.

===Fifth rates of 30 guns===

The 1719 Establishment made provision for a 30-gun fifth rate with a gundeck length of 114 feet, carrying (under the provisions of the 1716 Establishment of Guns) an armament of eight 9-pounders on the lower deck, twenty 6-pounders on the upper deck, and two 4-pounders on the quarterdeck, but no 30-gun ships were built to this Establishment and this obsolete type was soon to disappear.

===Sixth rates of 20 guns===

{|{{Infobox ship begin}}
{{Infobox ship characteristics
|Hide header=
|Header caption=for 20-gun sixth rates<ref name="Winfield, ''British Warships in the Age of Sail 1714-1792'', p246">Winfield, ''British Warships in the Age of Sail 1714–1792'', p246.</ref>
|Ship type=20-gun [[sixth-rate]] 
|Ship tons burthen=374 <small>{{fraction|49|94}}</small> [[Builder's Old Measurement|bm]]
|Ship length=*{{convert|106|ft|0|in|m|1|abbr=on}} (gundeck)
*{{convert|87|ft|9|in|m|1|abbr=on}} (keel)
|Ship beam={{convert|28|ft|4|in|m|1|abbr=on}}
|Ship draught=
|Ship hold depth={{convert|9|ft|2|in|m|1|abbr=on}}
|Ship sail plan=
|Ship complement=140 officers and men
|Ship armament=*20 guns:
* Upper deck: 20 × 6-pounders
|Ship notes=
}}
|}

The 1719 Establishment for sixth rates took as its model the highly successful ''Dursley Galley'' built in 1719. It revised the dimensions of these ships from the 1706 Establishment dimensions to those shown in the adjacent table. Three sixth rates were newbuilt – the ''Greyhound'' and ''Blandford'' as replacements in 1720 for lost vessels, and the ''Rye'' as replacement in 1727 for a discarded ship – and seventeen others were rebuilt from existing ships to this Establishment specification – the ''Lyme'' and ''Shoreham'' in 1720, ''Scarborough'' in 1722, ''Lowestoffe'' in 1723, ''Garland'', ''Seaford'' and ''Rose'' in 1724, ''Deal Castle'', ''Fox'', ''Gibraltar'', ''Bideford'', ''Seahorse'', ''Squirrel'', {{HMS|Aldborough|1727|2}}, ''Flamborough'' and ''Experiment'' in 1727, and ''Phoenix'' in 1728. Two further 20-gun ships were rebuilt at Deptford to a slightly enlarged specification in 1732 – the ''Sheerness'' and ''Dolphin'' – with the beam increased to 30&nbsp;ft 5in.

The 1733 revision made no change to the gundeck length of the 20-gun sixth rate, and actually reduced the keel length by 9&nbsp;inches. It substantially increased the beam by 26&nbsp;inches from the 1719 dimensions and the depth in hold by 3&nbsp;inches as follows:
* Tons burthen: 430 <small>{{fraction|46|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|106|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|87|ft|0|in|m|1|abbr=on}} (keel)
* Beam: {{convert|30|ft|6|in|m|1|abbr=on}}
* Depth in hold: {{convert|9|ft|5|in|m|1|abbr=on}}

Two 20-gun ships were rebuilt at Deptford to the 1733 dimensions – the ''Tartar'' in 1734 and the ''Kennington'' in 1736. In 1739–1740 another fourteen were ordered to be newbuilt by commercial contractors to a common design – the ''Fox'', ''Winchelsea'', ''Lyme'', ''Rye'', ''Experiment'', ''Lively'', ''Port Mahon'', ''Scarborough'', ''Success'', ''Rose'', ''Bideford'', ''Bridgewater'', ''Seaford'' and ''Solebay''. Two further vessels to a slightly enlarged design – the ''Greyhound'' and ''Blandford'' – were also built by contract in 1741.

The 1741 revision further increased the dimensions to:
* Tons burthen: 498 <small>{{fraction|36|94}}</small> [[Builder's Old Measurement|bm]]
* Length: {{convert|112|ft|0|in|m|1|abbr=on}} (gundeck)<br>{{convert|91|ft|6|in|m|1|abbr=on}} (keel)
* Beam: {{convert|32|ft|0|in|m|1|abbr=on}}
* Depth in hold: {{convert|11|ft|0|in|m|1|abbr=on}}

Fifteen ships were built, all by contract, to a common design and to these specifications – the ''Lowestoffe'', ''Aldborough'', ''Alderney'', ''Phoenix'', ''Sheerness'', ''Wager'', ''Shoreham'', ''Bridgewater'', ''Glasgow'', ''Triton'', ''Mercury'', ''Surprise'', ''Siren'', ''Fox'' and ''Rye''. Again, two further vessels – ''Centaur'' and ''Deal Castle'' – were built to a slightly different design (without lower deck gun ports) while still meeting the same 1741 Establishment criteria, while a single vessel – the ''Garland'' – was built in 1745–1748 at Sheerness Dockyard to a somewhat longer design.

==Notes==
{{reflist|30em}}

==References==
*{{cite book|last=Lavery|first=Brian|year=1983|title=The Ship of the Line: The Development of the Battlefleet 1650–1850|volume=1|publisher=Conway Maritime Press|isbn=0851772528}}
*{{cite book|last=Marcus|first=G. J.|title=Heart of Oak: A Survey of British Sea Power in the Georgian Era|publisher=Oxford University Press|location=London|year=1975|isbn=0192158120|url-access=registration|url=https://archive.org/details/heartofoaksurvey0000marc}}
*{{cite book | last = Winfield| first = Rif|title = British Warships of the Age of Sail 1714{{ndash}}1792: Design, Construction, Careers and Fates | publisher =  Seaforth| location=Barnsley, United Kingdom|year = 2007|isbn=9781844157006}}
* {{cite book|last=Winfield|first=Rif|year=2010|title=First Rate: The Greatest Warships of the Age of Sail|publisher=Naval Institute Press|location= Annapolis, Maryland|isbn=9781591142645}}

{{1719 Establishment ships}}

[[Category:History of the Royal Navy]]
[[Category:1719 in military history]]
[[Category:1719 in Great Britain]]