Motor torpedo boat PT-617

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PT Boat at Battleship Cove.JPG
PT-617
History
Flag of the United States.svgUnited States
Name:PT-617
Builder: Electric Launch Company
Laid down: 29 March 1945
Launched: 28 July 1945
Completed: 21 September 1945
Out of service: 28 January 1946
Nickname(s):Big Red Cock, Dragon Lady
Status: Museum ship from 1 September 1985
General characteristics
Displacement: 55 long tons (56  t)
Length: 80 ft (24 m)
Beam: 20 ft (6.1 m)
Draft: 5 ft 6 in (1.68 m)
Installed power: 3 × 1,350 shp (1,007 kW) Packard 4M-2500 12-cylinder engines
Propulsion: 3 shafts
Speed: 40 knots (74 km/h; 46 mph)
Range: 500  nmi (930 km; 580 mi)
Armament:
PT 617
USA Massachusetts location map.svg
Red pog.svg
Location Battleship Cove, Fall River, Massachusetts
Coordinates 41°42′19″N71°9′48″W / 41.70528°N 71.16333°W / 41.70528; -71.16333 Coordinates: 41°42′19″N71°9′48″W / 41.70528°N 71.16333°W / 41.70528; -71.16333
Built1945
ArchitectElectric Boat Co.
NRHP reference # 89002465
Significant dates
Added to NRHP20 December 1989 [1]
Designated NHL20 December 1989 [2]

Motor torpedo boat PT-617, also known as Big Red Cock and Dragon Lady, "is the sole surviving 80' Elco type PT boat and represents the United States's most heavily used, highly favored, and combat-tested PT boat type in World War II." [2] She is a museum ship at the PT Boat Museum in Fall River, Massachusetts. The 80-foot (24 m) Elco type boat was the predominant type and is the same type as the famous PT-109 commanded by John F. Kennedy; the 78-foot (24 m) "Higgins" boat is the other type.

PT boat type of fast attack craft

A PT boat was a torpedo-armed fast attack vessel (MTB) used by the United States Navy in World War II. It was small, fast, and inexpensive to build, valued for its maneuverability and speed but hampered at the beginning of the war by ineffective torpedoes, limited armament, and comparatively fragile construction that limited some of the variants to coastal waters.

A museum ship, also called a memorial ship, is a ship that has been preserved and converted into a museum open to the public for educational or memorial purposes. Some are also used for training and recruitment purposes, mostly for the small number of museum ships that are still operational and thus capable of regular movement.

PT Boat Museum

PT Boat Museum is located in Fall River, Massachusetts as part of Battleship Cove. It is a museum that exhibits two National Historic Landmark ships, an 80-foot (24.4 m) Elco boat, PT 617, and a 78-foot (23.8 m) Higgins boat, PT 796.

Contents

PT-617 was declared a National Historic Landmark in 1989. [2] [3]

National Historic Landmark formal designation assigned by the United States federal government to historic buildings and sites in the United States

A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,500 of over 90,000 places (~3%) listed on the country's National Register of Historic Places, are recognized as National Historic Landmarks.

Design

PT-617 is a PT-103-class ELCO motor torpedo boat. The hull was constructed of two layers of mahogany planking laid diagonally over laminated spruce, white oak, and mahogany frames, reinforced with longitudinal battens, secondary transverse frames, and clamps. A layer of fabric, impregnated with marine glue, was laid between the two layers of planking. [3]

The boat had a displacement of 55 long ton s (56  t ) (fully loaded) and was 80 ft (24 m) in length, with a beam of 20 ft (6.1 m), and a draft of 5 ft 6 in (1.68 m). Her three liquid-cooled, supercharged, 12-cylinder 1,350 shp (1,007 kW) Packard 4M-2500 engines each drove a single shaft, giving the boat a top speed of 40 knots (74 km/h; 46 mph). With a full load of 3,000 gallons (9 tons) of high octane aviation fuel she had a maximum cruising radius of 500 nautical mile s (930 km; 580 mi). [3]

Long ton, also known as the imperial ton or displacement ton, is the name for the unit called the "ton" in the avoirdupois system of weights or Imperial system of measurements. It was standardised in the thirteenth century and is used in the United Kingdom and several other British Commonwealth of Nations countries alongside the mass-based metric tonne defined in 1799.

Tonne Metric unit of mass

The tonne, commonly referred to as the metric ton in the United States and Canada, is a non-SI metric unit of mass equal to 1,000 kilograms or one megagram. It is equivalent to approximately 2,204.6 pounds, 1.102 short tons (US) or 0.984 long tons (UK). Although not part of the SI, the tonne is accepted for use with SI units and prefixes by the International Committee for Weights and Measures.

Packard Defunct luxury automobile marque from Detroit, Michigan

Packard was an American luxury automobile marque built by the Packard Motor Car Company of Detroit, Michigan, United States. The first Packard automobiles were produced in 1899, and the last Detroit-built Packard in 1956, when they built the Packard Predictor, their last concept car.

PT-617 was very heavily armed for her size with four 22.5 in (570 mm) Mark 13 torpedoes, a 37 mm (1.5 in) and two 20 mm (0.79 in) guns in the bows, a Bofors 40 mm gun at the stern, and two twin .50 caliber M2 Browning machine guns in mounts each side of the cockpit. There were also two depth charges mounted on racks on the stern, along with a smoke generator. Two Mark 50 rocket launchers and a 60 mm (2.4 in) mortar were also installed. In addition the crew were issued with small arms, each man carrying a M1911.45 caliber pistol, and the boat carried a .30 caliber Browning Automatic Rifle, M1903 Springfield .30-06 bolt-action rifles, .45 caliber Thompson submachine guns, 3-inch rockets, and Mk 2 grenades. [3]

Mark 13 torpedo air-launched torpedo

The Mark 13 torpedo was the U.S. Navy's most common aerial torpedo of World War II. It was the first American torpedo to be originally designed for launching from aircraft only. They were also used on PT boats.

.50 BMG cartridge

The .50 Browning Machine Gun is a cartridge developed for the Browning .50 caliber machine gun in the late 1910s, entering official service in 1921. Under STANAG 4383, it is a standard cartridge for NATO forces as well as many non-NATO countries. The cartridge itself has been made in many variants: multiple generations of regular ball, tracer, armor-piercing (AP), incendiary, and saboted sub-caliber rounds. The rounds intended for machine guns are made into a continuous belt using metallic links.

M2 Browning heavy machine gun

The M2 Machine Gun or Browning .50 Caliber Machine Gun is a heavy machine gun designed toward the end of World War I by John Browning. Its design is similar to Browning's earlier M1919 Browning machine gun, which was chambered for the .30-06 cartridge. The M2 uses the much larger and much more powerful .50 BMG cartridge, which was developed alongside and takes its name from the gun itself. It has been referred to as "Ma Deuce", in reference to its M2 nomenclature. The design has had many specific designations; the official US military designation for the current infantry type is Browning Machine Gun, Cal. .50, M2, HB, Flexible. It is effective against infantry, unarmored or lightly armored vehicles and boats, light fortifications and low-flying aircraft.

Ship history

PT-617 was built by the Electric Launch Company of Bayonne, New Jersey. Laid down on 29 March 1945, and launched on 28 July, she was not completed until 21 September, after the end of the war. The boat was assigned to MTB Squadron 42 and slated for service with the Pacific Fleet, but this was later cancelled. The boat was placed out of service on 28 January 1946, and finally sold on 23 October 1947. [4]

Electric Launch Company

The Electric Launch Company, later renamed Elco Motor Yachts, is a United States boat building and electric motor company that has operated from 1893 to 1949 and from 1987 to the present

Bayonne, New Jersey City in Hudson County, New Jersey, U.S.

Bayonnebay-OWN is a city in Hudson County, New Jersey, United States. Located in the Gateway Region, Bayonne is situated on a peninsula located between Newark Bay to the west, the Kill Van Kull to the south, and New York Bay to the east. As of the 2010 United States Census, the city's population was 63,024, reflecting an increase of 1,182 (+1.9%) from the 61,842 counted in the 2000 Census, which had in turn increased by 398 (+0.6%) from the 61,444 counted in the 1990 Census.

Victory over Japan Day day on which Japan surrendered, effectively ending World War II

Victory over Japan Day is the day on which Imperial Japan surrendered in World War II, in effect bringing the war to an end. The term has been applied to both of the days on which the initial announcement of Japan's surrender was made – to the afternoon of August 15, 1945, in Japan, and because of time zone differences, to August 14, 1945 – as well as to September 2, 1945, when the signing of the surrender document occurred, officially ending World War II.

In private hands the boat served as a yacht, and as a salvage[ clarification needed ] and as a diving platform. She was bought by PT Boats, Inc. in 1979, and after restoration to her World War II configuration officially went on display on 1 September 1985. [5]

See also

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References

  1. "National Register Information System". National Register of Historic Places . National Park Service. 2007-01-23.
  2. 1 2 3 "PT 617". National Historic Landmark summary listing. National Park Service. Archived from the original on 2012-09-30. Retrieved 2008-04-17.
  3. 1 2 3 4 Delgado, James P. (28 June 1989). "National Register of Historic Places Registration: Motor Torpedo Boat PT 617 / "Big Red Cock," Dragon Lady" (pdf). National Park Service . Retrieved 2012-09-11. and
    "Accompanying six photos, exterior and interior, from 1945, 1989, and undated" (pdf). National Park Service . Retrieved 2012-09-11.
  4. Radigan, Joseph M. "PT-617". navsource.org. Retrieved 2012-06-09.
  5. "PT-617". Historic Naval Ships Association. Retrieved 2012-06-09.