USS H-4

Last updated
NH-53607 USS H-4 underway, circa 1922.jpg
USS H-4 underway, circa 1922
History
US flag 48 stars.svgUnited States
NameH-4
Orderedby the Imperial Russian Navy, 1915
Builder Puget Sound Navy Yard, Bremerton, Washington
Laid down12 May 1918
Launched9 October 1918
Acquired20 May 1918
Commissioned24 October 1918
Decommissioned25 October 1922
Reclassified Hull number: SS-147, 17 July 1920
Stricken26 February 1931
FateSold for scrapping, 14 September 1931
General characteristics
Class and type H-class submarine
Displacement
  • 358 long tons (364 t) surfaced
  • 467 long tons (474 t) submerged
Length150 ft 4 in (45.82 m)
Beam15 ft 10 in (4.83 m)
Draft12 ft 5 in (3.78 m)
Installed power
Propulsion
Speed
  • 14  kn (26 km/h; 16 mph) surfaced
  • 10.5 knots (19.4 km/h; 12.1 mph) submerged
Range
  • 2,300  nmi (4,300 km; 2,600 mi) at 11 knots (20 km/h; 13 mph) on the surface
  • 100 nmi (190 km; 120 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth200 ft (61 m)
Complement25 officers and men
Armament4 × 18 inch (450 mm) torpedo tubes

USS H-4 (SS-147) was a H-class submarine originally built for the Imperial Russian Navy. Six of these were not delivered pending the outcome of the Russian Revolution of 1917 before being purchased by the United States Navy on 20 May 1918.

Contents

Description

The H-class submarines had a length of 150 feet 4 inches (45.8 m) overall, a beam of 15 feet 10 inches (4.8 m) and a mean draft of 12 feet 5 inches (3.8 m). They displaced 358 long tons (364 t) on the surface and 467 long tons (474 t) submerged. The boats had a crew of 2 officers and 23 enlisted men. They had a diving depth of 200 feet (61.0 m). [1]

For surface running, they were powered by two New London Ship & Engine Co. 475- brake-horsepower (354 kW) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 170-horsepower (127 kW) Electro Dynamic Co. electric motor. They could reach 14 knots (26 km/h; 16 mph) on the surface and 10.5 knots (19.4 km/h; 12.1 mph) underwater. [1] On the surface, the boats had a range of 2,300 nautical miles (4,300 km; 2,600 mi) at 11 knots (20 km/h; 13 mph) and 100 nmi (190 km; 120 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged. [2]

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. [2]

Construction and career

Three typical H-class submarines H class subs.jpg
Three typical H-class submarines

H-4 was launched on 9 October 1918, and commissioned on 24 October 1918. Stationed at San Pedro, California — first with Submarine Division 6 (SubDiv 6) and then SubDiv 7 — H-4 participated in various battle and training exercises along the West Coast with her sister H-boats. These exercises were interrupted by occasional patrol duty off Santa Catalina Island and periodic overhauls at Mare Island.

In company with the two sub divisions and tender Beaver, H-4 sailed from San Pedro on 25 July 1922 and reached Norfolk, Virginia on 14 September via Magdalena Bay, Corinto, and Coco Solo. She decommissioned there on 25 October. H-4 was struck from the Naval Vessel Register on 26 February 1931 and sold for scrap on 14 September.

Notes

  1. 1 2 Friedman, p. 307
  2. 1 2 Gardiner & Gray, p. 128

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References

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