USS ''Puritan'' was one of two ocean-going

ironclad An ironclad is a steam engine, steam-propelled warship protected by Wrought iron, iron or steel iron armor, armor plates, constructed from 1859 to the early 1890s. The ironclad was developed as a result of the vulnerability of wooden warships ...

monitors Monitor or monitor may refer to: Places * Monitor, Alberta * Monitor, Indiana, town in the United States * Monitor, Kentucky * Monitor, Oregon, unincorporated community in the United States * Monitor, Washington * Monitor, Logan County, West Vir ...

John Ericsson John Ericsson (born Johan Ericsson; July 31, 1803 – March 8, 1889) was a Swedish-American inventor. He was active in England and the United States. Ericsson collaborated on the design of the railroad steam locomotive ''Novelty'', which com ...

during the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

of 1861–1865. Launched in mid-1864, construction was suspended sometime in 1865. The Navy Department had specified two twin-

gun turret A gun turret (or simply turret) is a mounting platform from which weapons can be fired that affords protection, visibility and ability to turn and aim. A modern gun turret is generally a rotatable weapon mount that houses the crew or mechani ...

s over Ericsson's protests, but finally agreed to delete the second turret in late 1865. The Navy Department evaded the Congressional refusal to order new ships in 1874 by claiming that the Civil War-era ship was being repaired while building a new monitor of the same name.

Description

''Puritan'' was

long overall __NOTOC__ Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, an ...

, had a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of and had a

draft Draft, The Draft, or Draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a vessel ...

of . The ship had a tonnage of 3,265

tons burthen Builder's Old Measurement (BOM, bm, OM, and o.m.) is the method used in England from approximately 1650 to 1849 for calculating the cargo capacity of a ship. It is a volumetric measurement of cubic capacity. It estimated the tonnage of a ship bas ...

and displaced . She was powered by a two-cylinder vibrating-lever steam engine with a

bore Bore or Bores often refer to: *Boredom * Drill Relating to holes * Boring (manufacturing), a machining process that enlarges a hole ** Bore (engine), the diameter of a cylinder in a piston engine or a steam locomotive ** Bore (wind instruments), ...

of and a

stroke A stroke is a medical condition in which poor blood flow to the brain causes cell death. There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. Both cause parts of the brain to stop functionin ...

of . The engine drove two

propeller shaft A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power and torque and rotation, usually used to connect ...

s using steam provided by six Martin

water-tube boiler A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-gene ...

s and the designed speed was .Silverstone, p. 9 ''Puritan'' was designed to carry a maximum of of coal. The monitor was originally intended to mount two twin-gun turrets, but Ericsson persuaded the Navy Department to switch to a single turret armed with a pair of

smoothbore A smoothbore weapon is one that has a barrel without rifling. Smoothbores range from handheld firearms to powerful tank guns and large artillery mortars. History Early firearms had smoothly bored barrels that fired projectiles without signi ...

muzzle-loading A muzzleloader is any firearm into which the projectile and the propellant charge is loaded from the muzzle of the gun (i.e., from the forward, open end of the gun's barrel). This is distinct from the modern (higher tech and harder to make) design ...

Dahlgren gun Dahlgren guns were muzzle-loading naval artillery designed by Rear Admiral John A. Dahlgren USN (November 13, 1809 – July 12, 1870), mostly used in the period of the American Civil War. Dahlgren's design philosophy evolved from an accidental ...

s. None of the guns were completed before the end of the war. ''Puritan''s armor scheme was identical to that of , the other ocean-going monitor ordered at the same time. Her hull was protected by six layers of

wrought-iron Wrought iron is an iron alloy with a very low carbon content (less than 0.08%) in contrast to that of cast iron (2.1% to 4%). It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight), which give it a wood-like "grain" t ...

plates and her ship's deck armor was thick. The armor of the

had a total thickness of and consisted of six outer layers, blocks of segmented armor slabs in the middle and then four more layers. The

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armor was in thickness.

Construction

Buoyed by the victory gained by Ericsson's during the

Battle of Hampton Roads The Battle of Hampton Roads, also referred to as the Battle of the ''Monitor'' and ''Virginia'' (rebuilt and renamed from the USS ''Merrimack'') or the Battle of Ironclads, was a naval battle during the American Civil War. It was fought over t ...

in early March 1862, the Navy Department decided later that month to build several ocean-going monitors in case the British or the French decided to intervene in the war. Ericsson submitted preliminary designs in May and

Secretary of the Navy The secretary of the Navy (or SECNAV) is a statutory officer () and the head (chief executive officer) of the Department of the Navy, a military department (component organization) within the United States Department of Defense. By law, the se ...

Gideon Welles Gideon Welles (July 1, 1802 – February 11, 1878), nicknamed "Father Neptune", was the United States Secretary of the Navy from 1861 to 1869, a cabinet post he was awarded after supporting Abraham Lincoln in the 1860 election. Although opposed ...

authorized two ships, one with a single turret (''Dictator'') and a larger one with two turrets the following month. On 28 July the Navy Department awarded Ericsson with a contract for ''Puritan'',Puritan I having changed the name of the ship from Ericsson's submission of ''Protector''. He subcontracted the hull of the ''Puritan'' to the

Continental Iron Works The Continental Iron Works was an American shipbuilding and engineering company founded in Greenpoint, Brooklyn, in 1861 by Thomas F. Rowland. It is best known for building a number of monitor warships for the United States Navy during the Am ...

Greenpoint, Brooklyn Greenpoint is the northernmost neighborhood in the New York City borough of Brooklyn, in the U.S. state of New York. It is bordered on the southwest by Williamsburg at Bushwick Inlet Park and McCarren Park; on the southeast by the Brooklyn� ...

, and the propulsion machinery to the

Allaire Iron Works The Allaire Iron Works was a leading 19th-century American marine engineering company based in New York City. Founded in 1816 by engineer and philanthropist James P. Allaire, the Allaire Works was one of the world's first companies dedicated to the ...

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

. The ship was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...

in 1863 and was launched on 2 July 1864.Canney, pp. 89, 138 However, due to delays in building and the casting of the 20-inch smoothbores, her construction was suspended in 1865 and she was never completed. After the war, ''Puritan'' deteriorated on the

stocks Stocks are feet restraining devices that were used as a form of corporal punishment and public humiliation. The use of stocks is seen as early as Ancient Greece, where they are described as being in use in Solon's law code. The law describing ...

and she was sold to

John Roach John Roach may refer to any of the following: *John Roach (shipbuilder) (1816–1887), United States shipbuilder *John Roach (bishop) (1921–2003), bishop of the Catholic Church * John Roach (baseball) (1867–1934), former Major League Baseball pi ...

in 1874. Although Congress was informed by the Navy Department that the Civil War-era ship was being repaired, a new iron-hulled monitor of the same name was built with repair money and the proceeds of her sale because Congress refused to fund any new construction at this time.

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References

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Description

Construction

Citations

References

Further reading