USS ''N-7'' (SS-59) was a
N-class coastal defense submarine built for the
United States Navy during World War I.
Description
The N-class boats designed by
Lake Torpedo Boat (''N-4'' through ''N-7'') were built to slightly different specifications from the other N-class submarines, which were designed by
Electric Boat
An electric boat is a powered watercraft driven by electric motors, which are powered by either on-board battery packs, solar panels or generators.
While a significant majority of water vessels are powered by diesel engines, with sail pow ...
, and are sometimes considered a separate class. The Lake submarines had a length of
overall, 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 a mean
draft of . They
displaced on the surface and submerged. The N-class submarines had a crew of 3 officers and 26 enlisted men. They had a diving depth of .
[Friedman, p. 307]
For surface running, the Electric Boat submarines were powered by two
diesel 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 four 18-inch (450 mm) torpedo tubes in the bow. They carried four reloads, for a total of eight torpedoes.][Gardiner & Gray, p. 129]
Construction and career
''N-7'' was laid down on 20 April 1915 by Lake Torpedo Boat Company in Bridgeport, Connecticut
Bridgeport is the List of municipalities in Connecticut, most populous city and a major port in the U.S. state of Connecticut. With a population of 148,654 in 2020, it is also the List of cities by population in New England, fifth-most populous ...
. She was launched on 19 May 1917, sponsored by Mrs Frank Miller, and commissioned on 15 June 1918. After outfitting at New London, Connecticut, she patrolled the New England coast, to guard against attacks by German U-boats, until 17 September, when she put into New York City for upkeep. Returning to New London on 24 October, she remained there until 21 June 1919, when she sailed to Philadelphia, Pennsylvania, for extensive overhaul. She returned to New London on 31 March 1920 and remained there until placed in reserve on 7 June.
She spent 1921 in reserve at New London, except for short cruises to Boston, Massachusetts, and Newport, Rhode Island. Later that year, her engines were transferred to a more modern
L-class submarine. Towed by tug , she departed on 26 January 1922 for Philadelphia, where she decommissioned on 7 February. Her hulk was sold to Joseph G. Hitner Henry A. Hitner's Sons Company owned an iron works in Philadelphia.
The company was established by Henry Adam Hitner and incorporated on 28 December 1906. It purchased many retired United States Navy
The United States Navy (USN) is the ma ...
of Philadelphia for scrap on 5 June.
Notes
References
*
*
External links
*
{{DEFAULTSORT:N-07 (SS-59)
United States N-class submarines
World War I submarines of the United States
Ships built in Groton, Connecticut
1917 ships