Orione-class torpedo boat

Last updated
Class overview
Builders Odero, Sestri Ponente
OperatorsFlag of Italy (1861-1946) crowned.svg  Regia Marina
Preceded by Pegaso class
Built1905–1907
In commission1907–1923
Completed4
Retired4
General characteristics
TypeHigh-Seas Torpedo boat
Displacement220 t (217 long tons)
Length
  • 51.00 m (167 ft 4 in) pp
  • 52.65 m (172 ft 9 in) oa
Beam6.0 m (19 ft 8 in)
Draught1.53 m (5 ft 0 in)
Propulsion
Speed25  kn (46 km/h; 29 mph)
Range300 nmi (350 mi; 560 km) at 24 knots (44 km/h; 28 mph)
Complement3 officer + 35 men
Armament
  • 3× 47 mm/40 guns
  • 3× 450 mm (17.7 in) torpedo tubes

The Orione class was a class of four sea-going steam-powered torpedo boats of the Italian Regia Marina (Royal Navy) built by the Odero shipyard of Sestri Ponente from 1905 to 1907. They served in the Italo-Turkish War and the First World War.

Contents

Construction and design

On 31 March 1905, four torpedo boats were laid down at the Italian shipbuilder Odero's Sestri Ponente, Genoa shipyard. [1] [lower-alpha 1] They were 51.0 metres (167 ft 4 in) long between perpendiculars and 52.65 metres (172 ft 9 in) overall, with a beam of 6.0 metres (19 ft 8 in) and a draught of 1.53 metres (5 ft 0 in). [1] Two coal-fired Blechynden boilers fed steam to two sets of triple expansion steam engines rated at 2,900 indicated horsepower (2,200 kW), giving a design speed of 25 knots (46 km/h; 29 mph). [5] Range was 300 nautical miles (560 km; 350 mi) at 24 knots (44 km/h; 28 mph) [5] and 680 nautical miles (1,260 km; 780 mi) at 18 knots (33 km/h; 21 mph). [6] Displacement was 220 tonnes (220 long tons ). [1] They were fitted with a slightly unusual clipper bow (a bow that curves forward as it rises from the water) and two closely spaced funnels. [7]

Armament was the same as the Sirio and Pegaso classes, with three 450 mm (17.7 in) torpedo tubes and three 47 mm guns. [5] Crew was three officers and 35 men. [1]

Service

The four ships of the class were completed from February 1907 to April 1908. [1] Although the ships reached speeds of up to 25.4 knots (47.0 km/h; 29.2 mph) during sea trials, [1] they were less seaworthy than the ships of the Pegaso class. [5] Olimpia and Orfeo were deployed in relief efforts following the 1908 Messina earthquake that devastated Sicily and Calabria on 28 December 1908. Orione collided with the old coastal torpedo boat 128 S in April 1911. All four ships of the class were active during the Italo-Turkish War, serving in Libyan waters and in the Dodecanese. [6]

During the First World War, the class formed the 1st Torpedo Boat Division, carrying out escort operations in Libyan waters, and between North Africa and Italy. [7] Their armament was modified during the war, with the 47 mm guns replaced by two 76 mm guns and one of the torpedo tubes removed. [5] Orfeo was badly damaged in a collision with the merchant ship Calabria on 10 December 1917, but was repaired. [7] [8] They were disposed of between 1920 and 1923. [1]

Ships

ShipLaid down [1] Launched [1] Completed [1] Operational History
Orione 31 March 190529 March 190613 February 1907Stricken 4 March 1923 [1]
Orsa 31 March 19055 May 19068 April 1907Stricken 15 May 1921 [1]
Olimpia 31 March 190517 July 19068 April 1908Stricken 1 July 1920 [1]
Orfeo 31 March 190523 April 19076 September 1907Stricken 14 July 1923 [1]

Notes

  1. ↑ This was part of a larger programme of high-seas torpedo boat construction for the Italian Navy. Six Sirio-class torpedo boats were built by the German shipyard Schichau-Werke between 1904 and 1906, [2] [3] while a total of 18 Pegaso-class torpedo boats were built by Pattison of Naples and Odero between 1904 and 1909. [4]

Citations

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Fraccarolli 1970, p. 82.
  2. ↑ Chesneau and Kolesnik 1979, p. 359.
  3. ↑ Fracarolli 1970, p. 78.
  4. ↑ Fraccaroli 1970, pp. 78, 80–81.
  5. 1 2 3 4 5 Gardiner and Gray 1985, pp. 272–273.
  6. 1 2 "Sezione Torpediniere: Sottosezione Torpediniere da costa: Classe Orione". Marina Militare (Italian Navy). Retrieved 14 February 2015.
  7. 1 2 3 Purnell's Illustrated Encyclopedia of Modern Weapons and Warfare, pp. 1939–1940.
  8. ↑ Fraccaroli 1970, p. 83.

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References

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