For propulsion, she was equipped with 16 hand-powered paddles protruding from the sides. "It was made of iron, with the upper part pierced for small circular plates of glass, for light, and in it were several water tight compartments". The boat was about 47 feet (14 m) long, with a beam of 4 feet 8 inches (1.42 m) and height of 5 feet 6 inches (1.68 m). In the autumn of 1861, the Union Navy asked the firm of Neafie & Levy to construct a small submersible ship designed by the French engineer Brutus de Villeroi, who also acted as a supervisor during the first phase of the construction (de Villeroi had designed and built submarines in France and one after immigrating to the United States). Hunley.Ĭonstruction Brutus de Villeroi's first submarine in 1861, which served as inspiration for Alligator During the Civil War the Confederate States Navy would also build its own submarine, H. Navy submarine, and was active during the American Civil War (the first American submarine was Turtle during the Revolutionary War, and was operated by the Continental Army, vice Navy, in 1776 against British vessels in New York harbor). USS Alligator, the fourth United States Navy ship of that name, is the first known U.S. Contemporary artist's rendering of AlligatorĤ ft 8 in (1.42 m) (excluding oars) height of hull 5 ft 6 in (1.68 m)ġ862: 2 knots (3.7 km/h) 1863: 4 knots (7.4 km/h)ġ2 - One officer, one helmsman, one or two divers, and 8 oarsmen
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