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Cachalot class submarine
From Wikipedia, the free encyclopedia
The Cachalot-class submarines were a pair of small submarines of the United States Navy built under the tonnage limits of the London Naval Treaty of 1930. They were originally given hull classification symbols V-8 and V-9 and so were known as "V-boats" even though they were unrelated to the other seven submarines (V-1 through V-7) constructed between World War I and World War II. The Navy's Bureau of Construction and Repair (C&R) developed the basic design, but the builder, Electric Boat, was responsible for detailed arrangement.
Although externally much like the later "fleet submarines," internally the Cachalots were quite different. They featured full double hulls adopted from the Kaiserliche Marine U-boats, direct-drive diesel propulsion systems, a separate crew's mess, and considerable space around the conning tower within the large bridge fairwater (which was drastically cut down in World War II when the three-inch gun was relocated forward of the bridge).
- Length: 274 feet
- Beam: 24 feet 1 inches
- Draft: 13 feet 10 inches
- Displacement: 1100 tons surfaced, 1650 tons submerged
- Speed: 17 knots surfaced, 8 knots submerged
- Depth: 250 feet
- Range: 14,000 miles
- Crew: 6 officers, 39 men
- Armament: six 21-inch torpedo tubes (four forward, two aft), one 3-inch/50-calibre gun, two .30-caliber machineguns
- Propulsion: two 1535 hp Maschinfabrik-Augusburg-Nurnburg (MAN) main diesels, one 350 kw auxiliary diesel, two Electro Dynamic 800 hp motors, two propellers
- Fuel Capacity: 83,290 gallons
- Battery Cells: 240
| Cachalot-class submarine |
| List of United States submarines List of United States submarine classes |
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