Caledonia-class ship of the line

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Launch of HMS Trafalgar
Class overview
Name	Caledonia
Operators	Royal Navy
Succeeded by	Nelson class
In service	25 June 1808 – 1918
Planned	10
Completed	9
General characteristics
Type	Ship of the line
Length	205 ft (62 m) (gundeck) 170 ft 11 in (52.10 m) (keel) Broadened: 205 ft 5+1⁄2 in (62.624 m) (gundeck) 170 ft 6 in (51.97 m) (keel)
Beam	53 ft 6 in (16.31 m) 54 ft 6 in (16.61 m) (broadened)
Depth of hold	23 ft 2 in (7.06 m)
Propulsion	Sails
Armament	120 guns (original): Gundeck: 32 × 32-pounders Middle gundeck: 34 × 24-pounders Upper gundeck: 34 × 18-pounders Quarterdeck: 6 × 12-pounders, 10 × 32-pounder carronades Forecastle: 2 × 12-pounders, 2 × 32-pounder carronades Poop deck: 2 × 18-pounder carronades In 1847: Lower deck: 4 × 8" 65 cwt 9', 28 × 32-pdr 56 cwt Middle deck: 2 × 8" 65 cwt 9', 32 × 32-pdr 50 cwt Main deck: 34 × 32-pdr 42 cwt QD FC: 6 × 32-pdr 45 cwt, 14 × 32-pdr 17 cwt
Notes	Ships in class include: Caledonia, Britannia, Prince Regent, Royal George, Neptune, Royal William, Waterloo, St George, Trafalgar

The Caledonia-class ships of the line were a class of nine 120-gun first rates, designed for the Royal Navy by Sir William Rule. A tenth ship (Royal Frederick) was ordered on 29 October 1827 to the same design, but was launched in 1833 as Queen to a fresh design by Sir William Symonds.