 The Coventry-class frigate HMS Liverpool
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| Class overview | |
|---|---|
| Name | Coventry class |
| Operators |  Royal Navy |
| Built | 1756–1787 |
| In commission | 1787–1828 |
| Planned | 20 |
| Completed | 19 |
| Cancelled | 1 |
| Lost | 6 |
| General characteristics | |
| Class and type | Frigate |
| Tons burthen | 587 30/94 bm |
| Length | 118 ft 4 in (36.07 m) |
| Beam | 33 ft 8 in (10.26 m) |
| Depth of hold | 10 ft 6 in (3.20 m) |
| Sail plan | Full-rigged ship |
| Complement | 200 |
| Armament |
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The Coventry-class frigates were 28-gun sixth rate frigates of the Royal Navy, principally in service during the Seven Years' War and the American Revolutionary War. They were designed in 1756 by Britain's Surveyor of the Navy, Sir Thomas Slade, and were largely modeled on HMS Tartar, which was regarded as an exemplar among small frigates due to its speed and maneuverability. The 1750s were a period of considerable experimentation in ship design, and Slade authorized individual builders to make "such alterations withinboard as may be judged necessary" in final construction.
A total of twelve Coventry-class frigates were built in oak during the Seven Years' War. Eleven of these were ordered from private shipyards and built over the relatively short period of three years; the twelfth was completed following the close of the War in a royal dockyard after its original contractor became bankrupt.
The five vessels in the second batch were built fir hulls rather than oak. The use of fir instead of oak increased the speed of construction but reduced the frigate's durability over time. This batch also differed in external appearance to the oak-built frigates, as they had a square tuck stern. The third and fourth batches returned to oak frames.
More than a quarter-century after the design was produced, two further oak-built ships to this design were ordered to be built by contract in October 1782. One of these was cancelled a year later, when the builder became bankrupt.