USS C-3
USS Tarpon/C-3 , also known as "Submarine No. 14", was one of five C-class submarines built for the United States Navy in the first decade of the 20th century. She was the first boat in the USN to be named for the tarpon.
Design
The C-class submarines were enlarged versions of the preceding B class; they were the first American submarines with two propeller shafts. They had a length of overall, a beam of and a mean draft of. They displaced on the surface and submerged. They had a diving depth of. The C-class boats had a crew of 1 officer and 14 enlisted men.For surface running, they were powered by two Craig gasoline engines, each driving one propeller shaft. When submerged each propeller was driven by a electric motor. They could reach on the surface and underwater. On the surface, the boats had a range of at and at submerged.
The boats were armed with two 18-inch (450 mm) torpedo tubes in the bow. They carried two reloads, for a total of four torpedoes.