HMS Neptune at the Battle of Trafalgar
Class overview
Name	Neptune class
Operators	Royal Navy
Preceded by	Boyne class
Succeeded by	Boyne class
In service	28 January 1797–1857
Completed	3
General characteristics
Type	Ship of the line
Length	185 ft (56 m) (gundeck) 152 ft 6+1⁄2 in (46.5 m) (keel)
Beam	51 ft (16 m)
Propulsion	Sails
Armament	98 guns: Gundeck: 28 × 32 pdrs Middle gundeck: 30 × 18 pdrs Upper gundeck: 30 × 18 pdrs Quarterdeck: 8 × 12 pdrs Forecastle: 2 × 12 pdrs
Notes	Ships in class include: Neptune, Temeraire, Dreadnought

The Neptune-class ships of the line were a class of three 98-gun second rates, designed for the Royal Navy by Sir John Henslow. All three of the ships in the class took part in the Battle of Trafalgar in 1805.

Ships

• HMS Neptune

Builder: Deptford Dockyard

Ordered: 15 February 1790

Launched: 28 January 1797

Fate: Broken up, 1818

• HMS Temeraire

Builder: Chatham Dockyard

Ordered: 9 December 1790

Launched: 11 September 1798

Fate: Sold out of the service, 1838

• HMS Dreadnought

Builder: Portsmouth Dockyard

Ordered: 17 January 1788

Launched: 13 June 1801

Fate: Broken up, 1857

References