Cheerful-class gunboat

	A typical 'Crimea gunboat'
Class overview
Name	Cheerful class
Operators	Royal Navy
Preceded by	Albacore class
Succeeded by	Clown class
Built	1855
In commission	1855–1869
Completed	20
General characteristics
Type	'Crimean' gunboat
Tons burthen	211 64⁄94 tons bm
Length	100 ft (30 m) (gundeck); 85 ft 5.5 in (26.048 m) (keel);
Beam	21 ft 10 in (6.65 m)
Draught	6 ft 6 in (1.98 m)
Depth of hold	6 ft 7 in (2.01 m)
Installed power	20 nominal horsepower; (Onyx 92 ihp (69 kW));
Propulsion	1-cylinder horizontal direct-acting single-expansion steam engine; Single screw;
Speed	6.5 kn (12.0 km/h)
Crew	30
Armament	2 × 32-pounder SBML gun

The Cheerful-class gunboat was a class of twenty gunboats built for the Royal Navy in 1855 for use in the Crimean War.^[1]

Class overview
A typical 'Crimea gunboat'
Name	Cheerful class
Operators	Royal Navy
Preceded by	Albacore class
Succeeded by	Clown class
Built	1855
In commission	1855–1869
Completed	20
General characteristics ^[1]
Type	'Crimean' gunboat
Tons burthen	211 64⁄94 tons bm
Length	100 ft (30 m) (gundeck) 85 ft 5.5 in (26.048 m) (keel)
Beam	21 ft 10 in (6.65 m)
Draught	6 ft 6 in (1.98 m)
Depth of hold	6 ft 7 in (2.01 m)
Installed power	20 nominal horsepower (Onyx 92 ihp (69 kW))
Propulsion	1-cylinder horizontal direct-acting single-expansion steam engine Single screw
Speed	6.5 kn (12.0 km/h)
Crew	30
Armament	2 × 32-pounder SBML gun