Inflexible-class ship of the line

Class overview
Name	Inflexible
Operators	Royal Navy
Preceded by	Worcester class
Succeeded by	Crown class
In service	7 March 1780 – 1820
Completed	4
Lost	1
General characteristics
Type	Ship of the line
Length	159 ft (48 m) (gundeck); 130 ft 7+1⁄2 in (39.8 m) (keel);
Beam	44 ft 4 in (13.51 m)
Propulsion	Sails
Armament	64 guns:; Gundeck: 26 × 24 pounders; Upper gundeck: 26 × 18 pdrs; Quarterdeck: 10 × 4 pdrs; Forecastle: 2 × 9 pdrs;
Notes	Ships in class include: Inflexible, Africa, Dictator, Sceptre

The Inflexible-class ships of the line were a class of four 64-gun third rates, designed for the Royal Navy by Sir Thomas Slade. The lines of this class were based heavily on Slade's earlier 74-gun Albion-class.