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*Smeli*
	Smeli's sister submarine Osvetnik underway in 1930
History
Kingdom of Yugoslavia
Name	Smeli
Namesake	Daring
Builder	Ateliers et Chantiers de la Loire, Nantes, France
Launched	1 December 1928
In service	1928–41
Out of service	1941
Italy
Name	Antonio Bajamonti
Namesake	Antonio Bajamonti
Acquired	Captured on 17 April 1941
In service	1941–43
Out of service	9 September 1943
Fate	Scuttled by the Italians at La Spezia in Liguria
General characteristics
Class and type	Osvetnik-class diesel-electric submarine
Displacement	630 long tons (640 t) (surfaced); 809 long tons (822 t) (submerged);
Length	66.5 m (218 ft 2 in)
Beam	5.4 m (17 ft 9 in)
Draught	3.8 m (12 ft 6 in)
Propulsion	2 × shaft MAN diesel engines 1,480 bhp (1,100 kW), 2 × Nancy electric motors 1,000 shp (750 kW)
Speed	14.5 knots (26.9 km/h; 16.7 mph) (surfaced); 9.2 knots (17.0 km/h; 10.6 mph) (submerged);
Range	3,500 nautical miles (6,500 km; 4,000 mi) at 9 knots (17 km/h; 10 mph) (surfaced); 75 nmi (139 km; 86 mi) at 5 knots (9.3 km/h; 5.8 mph) (submerged);
Test depth	80 m (260 ft)
Complement	43
Armament	6 × 550 mm (22 in) torpedo tubes (4 × bow, 2 × stern); 1 × 100 mm (3.9 in) gun; 1 × 40 mm (1.6 in) anti-aircraft gun;

Smeli (Daring) was the second of the Osvetnik-class diesel-electric submarines built by Ateliers et Chantiers de la Loire, Nantes, France for the navy of the Kingdom of Serbs, Croats and Slovenes (later Yugoslavia). She was launched in 1928, and was built to a partial double hull Simonot design similar to the French Circé-class submarines. She was armed with six 550 mm (22-inch) torpedo tubes, one 100 mm (3.9 in) gun, and one 40 mm (1.6 in) anti-aircraft gun, and could dive to 80 metres (260 ft).

Prior to World War II she participated in several cruises to Mediterranean ports. During the German-led Axis invasion of Yugoslavia in April 1941, she was captured by Italian forces at the Bay of Kotor. Initially designated N2, her armament was changed and her conning tower modified. Due to her age and shallow diving depth, when she was commissioned into the Regia Marina as Antonio Bajamonti; her service was limited to training and experimentation. She was scuttled at La Spezia in Liguria by the Italians in September 1943 the day after the Italian surrender.

Description and construction

Yugoslav naval policy in the interwar period lacked direction until the mid-1920s,^[1] although it was generally accepted that the Adriatic coastline was effectively a sea frontier that the naval arm was responsible for securing with the limited resources made available to it. In 1926, a modest ten-year construction program was initiated to build up a force of submarines, coastal torpedo boats, torpedo bombers and conventional bomber aircraft to perform this role. The Osvetnik-class submarines were intended to meet part of this challenge.^[2]

Smeli was built for the Kingdom of Serbs, Croats and Slovenes (later Yugoslavia) by the Ateliers et Chantiers de la Loire company (ACL) at Nantes, France. Her partial double hull design^[3] was based on plans by ACL's chief engineer, G. Simonot,^[4] and was similar to the French Circé-class submarines.^[5] Her Serbo-Croatian name translates as "Daring". Along with her sister submarine of the class, Osvetnik, she had an overall length of 66.5 m (218 ft 2 in), a beam of 5.4 m (17 ft 9 in), and a surfaced draught of 3.8 m (12 ft 6 in). Her surfaced displacement was 630 long tons (640 t) or 809 long tons (822 t) submerged, and her crew consisted of 43 officers and enlisted men.^[4] She had an operational depth of 80 metres (260 ft).^[5]

For surface running, the Osvetnik-class boats were powered by two MAN (Maschinenfabrik) diesel engines which were rated at 1,480 brake horsepower (1,100 kW) that drove two propeller shafts. When submerged, the propellers were driven by two Nancy electric motors generating 1,000 shaft horsepower (750 kW). They could reach a top speed of 14.5 knots (26.9 km/h) on the surface, and 9.2 knots (17.0 km/h) on their electric motors when submerged. They were armed with six 550 mm (22 in) torpedo tubes (four bow-mounted, two stern-mounted), one 100 mm (3.9 in) gun, and one 40 mm (1.6 in) anti-aircraft gun.^[4] On the surface, the boats had a range of 3,500 nautical miles (6,500 km) at 9 knots (17 km/h), and 75 nautical miles (139 km) at 5 knots (9.3 km/h) submerged.^[5]

Service history

Smeli was the second of her class, and the fourth submarine of the navy of the Kingdom of Serbs, Croats and Slovenes (later the Royal Yugoslav Navy). She was launched on 1 December 1928.^[4] She and Osvetnik arrived in the Bay of Kotor on 9 December 1929.^[6] In 1932, the British naval attaché reported that Yugoslav ships were engaging in few exercises, manoeuvres or gunnery training due to reduced budgets.^[7] In October 1934, Smeli visited Bizerte in the French protectorate of Tunisia, and the Kelibia Roads off the coast of Tunisia.^[8] In August and September 1937, Smeli, along with the British-made submarine Hrabri and the depot ship Zmaj, visited Greece, including the port of Piraeus, and the islands of Crete and Corfu.^[9]

When the German-led Axis invasion of Yugoslavia began on 6 April 1941, she was in the Bay of Kotor on the southern Adriatic coast along with the three other submarines of the Submarine Division.^[10] On 17 April she was captured by the Italian XVII Corps at the Bay of Kotor.^[11]^[12] Still in good condition, she was taken as war booty, and initially designated N2. She was refitted and modernised at Pola in the upper Adriatic, which involved the replacement of some of her armament and modifications to her conning tower. Her new displacement was 665 long tons (676 t) (822 long tons (835 t) submerged).^[13] She was commissioned by the Italians as the Bajamonti-class Antonio Bajamonti, named after the 19th-century politician and mayor of the Dalmatian port of Split. Despite her stability when submerged and good diving rate, her age and shallow diving depth limited her uses to training and experimentation.^[13] She was scuttled by the Italians at La Spezia in Liguria on 9 September 1943, the day after the Italian surrender.^[4]

Notes

^ Jarman 1997a, p. 732.
^ Jarman 1997a, p. 779.
^ Bagnasco 1977, p. 171.
^ ^a ^b ^c ^d ^e Chesneau 1980, p. 358.
^ ^a ^b ^c Fontenoy 2007, p. 188.
^ Jarman 1997b, p. 183.
^ Jarman 1997b, p. 451.
^ Jarman 1997b, p. 544.
^ Jarman 1997b, p. 838.
^ Terzić 1982, p. 267.
^ Bagnasco 1977, p. 251.
^ Terzić 1982, p. 457.
^ ^a ^b Bagnasco 1977, pp. 170–171.

References

Books

Bagnasco, Erminio (1977). Submarines of World War Two. Annapolis, Maryland: Naval Institute Press. ISBN 978-0-87021-962-7.
Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922–1946. London, England: Conway Maritime Press. ISBN 978-0-85177-146-5.
Fontenoy, Paul E. (2007). Submarines: An Illustrated History of Their Impact. Santa Barbara, California: ABC-CLIO. ISBN 978-1-85109-563-6.
Freivogel, Zvonimir (2020). Warships of the Royal Yugoslav Navy 1918–1945. Vol. 1. Zagreb, Croatia: Despot Infinitus. ISBN 978-953-8218-72-9.
Jarman, Robert L., ed. (1997a). Yugoslavia Political Diaries 1918–1965. Vol. 1. Slough, Berkshire: Archives Edition. ISBN 978-1-85207-950-5.
Jarman, Robert L., ed. (1997b). Yugoslavia Political Diaries 1918–1965. Vol. 2. Slough, Berkshire: Archives Edition. ISBN 978-1-85207-950-5.
Terzić, Velimir (1982). Slom Kraljevine Jugoslavije 1941 : uzroci i posledice poraza [The Collapse of the Kingdom of Yugoslavia in 1941: Causes and Consequences of Defeat] (in Serbo-Croatian). Vol. 2. Belgrade, Yugoslavia: Narodna knjiga. OCLC 10276738.