USS Constitution - Construction

Construction

In 1785 Barbary pirates, most notably from Algiers, began to seize American merchant vessels in the Mediterranean. In 1793 alone, eleven American ships were captured and their crews and stores held for ransom. To combat this problem, proposals were made for warships to protect American shipping, resulting in the Naval Act of 1794. The act provided funds to construct six frigates, but included a clause that if peace terms were agreed to with Algiers, the construction of the ships would be halted.

Joshua Humphreys' design was unusual for the time, being long on keel and narrow of beam (width) and mounting very heavy guns. The design called for a diagonal scantling (rib) scheme intended to restrict hogging while giving the ships extremely heavy planking. This design gave the hull a greater strength than a more lightly built frigate. Humphreys' design was based on his realization that the fledgling United States of the period could not match the European states in the size of their navies. This being so, the frigates were designed to be able to overpower any other frigate yet escape from a ship of the line.

The name Constitution was selected by President George Washington. Her keel was laid down on 1 November 1794 at Edmund Hartt's shipyard in Boston, Massachusetts, under the supervision of Captain Samuel Nicholson and naval constructor Colonel George Claghorn. Primary materials used in her construction consisted of pine and oak, including southern live oak, which was cut and milled near St. Simons, Georgia. Constitution's hull was built 21 inches (530 mm) thick and her length between perpendiculars was 175 ft (53 m), with a 204 ft (62 m) length overall and a width of 43 ft 6 in (13.26 m). In total, 60 acres (24 ha) of trees were needed for her construction. Paul Revere forged the copper bolts and breasthooks. The copper sheathing, installed to prevent shipworm, was imported from England.

In March 1796, as construction slowly progressed, a peace accord was announced between the United States and Algiers and, in accordance with the Naval Act of 1794, construction was halted. After some debate and prompting by President Washington, Congress agreed to continue to fund the construction of the three ships nearest to completion: United States, Constellation, and Constitution. Constitution's launching ceremony on 20 September 1797 was attended by then President John Adams and Massachusetts Governor Increase Sumner. Upon launch, she slid down the ways only 27 feet (8.2 m) before stopping; her weight had caused the ways to settle into the ground, preventing further movement. An attempt two days later resulted in only an additional 31 feet (9.4 m) of travel before the ship again stopped. After a month of rebuilding the ways, Constitution finally slipped into Boston Harbor on 21 October 1797, with Captain James Sever breaking a bottle of Madeira wine on her bowsprit.

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