Alligator (Submarine)

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  Ship history

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  Construction: |

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  Then: Sinking in |

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  Performance specifications

  | Total length: | 47 ft (14 m) Full width: | 4 ft 8 in (1.4 m) Drinking water: | Institution: | 1862: manual by 16 rowers 1863: Manual propeller Maximum speed: | 1862: 3-4 1863: 7 knots Military personnel: | 21 Armament: | Torpedo 2

Alligator(Alligator) is the first of. Because it did not officially commit, USS Alligator It is not called. It was the 4th ship as a ship with that name, and he was active in. The first submarine in the United States played an active part in time (Turtle ) , But the turtle was not operated in the US Navy.

table of contents

Building

In the autumn of 1861 the Navy asked for the construction of a small underwater navigable ship designed by French engineer Brewus de Wilroy ().

The ship had a length of about 9 m and a diameter of 1.8 to 2.4 m, and was structured as "a circular glass window for illumination is attached to the upper part of a steel hull, and a waterproof compartment is inside." As power, there were 16 manpower paddles on the side. However, on July 3, 1862 the paddle was replaced with a manually powered crank type screw, the speed improved to 7 knots. Air was supplied from the water surface to the air pump inside the ship by two tubes with a float.

The Navy wanted such a ship to fight against () (USS Merrimack ) which was made an obstructive ship by. Merrimack is ( CSS Virginia) It was refurbished to. The contract between the Navy and Nafy and Levy was to be completed in 40 days, so it was launched on November 1, 1861 right after the contract. However, construction has not proceeded late but more than 180 days have elapsed, the new ship eventually launched on May 1, 1862.

Operation

First Captain

Immediately after launch, the ship was towed for outfitting. Two weeks later, civilian Samuel Eakins became the person in charge of the ship. On 13th June the Navy received a small but only ship.

Fred Cup of steam tow the submarine. Two ships departed on June 19th, descended, and entered through. The submarine was moored next to the mother ship Steam Outer Balloon Satellite. The ship is assigned to the North Atlantic sealed squadron. Arrived at Hampton Rose on 23rd, it was named an alligator.

Several duties were devised for this strange ship. To destroy the bridge across the boundary, to obstruct obstacles to support the generals heading towards, to the navy of the Allied Navy ( CSS Virginia II ) Destruction of. Therefore, the alligator was sent to and arrived on the 25th. The district commander inspected the alligator and reported that the James River near Fort Darling and the Appomattox River near the bridge were not deep enough for a submarine to submerge. In addition, he was worried that his governing battle area had no target for submarine access, the gunboat under his command was vulnerable to attack and the alligator falls into enemy hands. As a result, he demanded permission to send the submarine back to Hampton Rose.

The ship headed downstream towards the 29th and was ordered to go for experiments and tests. In August the lieutenant became the commander of the alligator, the crew of the navy was assigned. As a result of the test, the performance proved to be insufficient and Selfridge declared "The test failed …".

After that the Navy Arsenal removed the alligator's paddle and wore a screw. This improvement improved the speed of the ship to 7 knots. On March 18, 1863 I inspected the alligator during the operation.

At this time Major general (commander of the Philadelphia Navy Arsenal in the early years of the war) was interested in the submarine, and the alligator decided to transport as if it would be useful. Steamboat ( USS Sumpter ), Captain John F. Winchester receives a command to lead the submarine. A strange pair sailed on March 31st.

The next day, two ships encounter bad weather, on April 2 the sampler will have to separate the alligator. It is not clear whether the alligator sank quickly or drifted for a while. The first submarine of the US Navy has finished its career.

Related item

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External link

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Post Date : 2018-02-20 03:00

This article is taken from the Japanese Wikipedia Alligator (Submarine)

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