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Changes of the vessel data, based on the information from the Naval Museum in Tivat
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|Ship draught=
|Ship draught=
|Ship draft=
|Ship draft=
|Ship propulsion=2 × Mercedes diesels ({{convert|1600|hp|abbr=on}})<br />2 × electric motors ({{convert|1560|hp|abbr=on}})
|Ship propulsion=2 × Mercedes diesels ({{convert|1600|hp|abbr=on}})<br />1 × Končar electric motor ({{convert|1560|hp|abbr=on}})
|Ship speed={{convert|15.3|kn|lk=in|0|abbr=on}} (surfaced, maximum)<br>{{convert|9.8|kn|0}} (submerged)
|Ship speed={{convert|15.3|kn|lk=in|0|abbr=on}} (surfaced, maximum)<br>{{convert|9.8|kn|0}} (submerged)
|Ship range={{convert|4100|nmi|lk=in|0|abbr=on}} at {{convert|10|kn|0}}
|Ship range={{convert|4100|nmi|lk=in|0|abbr=on}} at {{convert|10|kn|0}}
|Ship endurance=
|Ship endurance=
|Ship depth= {{convert|210|m|abbr=on}}
|Ship depth= {{convert|210|m|abbr=on}}
|Ship complement=55
|Ship complement=28
|Ship sensors=
|Ship sensors=
|Ship EW=
|Ship EW=
|Ship armament=4 × {{convert|533|mm|abbr=on}} torpedo tubes (6 bow)<br />10 torpedoes or 20 mines
|Ship armament=4 × {{convert|533|mm|abbr=on}} torpedo tubes<br />6 torpedoes or 12 mines
|Ship notes=
|Ship notes=
}}
}}
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== Description ==
== Description ==
The boats measured {{convert|50.40|m|ftin|abbr=on|lk=in}} in length with a hull diameter of {{convert|6.68|m|ftin|abbr=on}}. Surfaced they displaced {{convert|614|t|LT|lk=in|abbr=on}} and {{convert|705|t|LT|abbr=on}} while underwater. The diesel-electric drive consisted of two Mercedes diesel generators and single Koncar electric motor mounted on a single shaft. This enabled them a maximum speed of {{convert|15.3|kn|lk=in}} underwater and {{convert|9.8|kn}} when surfaced. Travelling underwater using a [[Submarine snorkel|snorkel]] at a speed of {{convert|10|kn}}, the boats had a range of {{convert|4100|nmi|abbr=on|lk=in}}. Diving depth was {{convert|210|m|ftin|abbr=on}}. The boats were manned by a complement of 55 crew members.{{sfn|Napadne podmornice klase Heroj}}
The boats measured {{convert|50.40|m|ftin|abbr=on|lk=in}} in length with a hull diameter of {{convert|6.68|m|ftin|abbr=on}}. Surfaced they displaced {{convert|614|t|LT|lk=in|abbr=on}} and {{convert|705|t|LT|abbr=on}} while underwater. The diesel-electric drive consisted of two Mercedes diesel generators and single Končar electric motor mounted on a single shaft. This enabled them a maximum speed of {{convert|15.3|kn|lk=in}} underwater and {{convert|9.8|kn}} when surfaced. Travelling underwater using a [[Submarine snorkel|snorkel]] at a speed of {{convert|10|kn}}, the boats had a range of {{convert|4100|nmi|abbr=on|lk=in}}. Diving depth was {{convert|210|m|ftin|abbr=on}}. The boats were manned by a complement of 28 crew members.


== Ships ==
== Ships ==

Revision as of 06:56, 1 September 2015

Heroj (P-821) in the Porto Montenegro Museum.
Class overview
BuildersBrodogradilište specijalnih objekata (BSO), Split, SR Croatia
OperatorsSFR Yugoslav Navy
Preceded byTemplate:Sclass-
Succeeded byTemplate:Sclass-
Built1964–1970
In commission1968–late 1990s
Completed3
General characteristics
Displacementlist error: <br /> list (help)
614 tonnes (604 long tons) (surfaced)
705 tonnes (694 long tons) (submerged)
Length50.4 m (165 ft)
Depth210 m (690 ft)
Propulsionlist error: <br /> list (help)
2 × Mercedes diesels (1,600 hp (1,200 kW))
1 × Končar electric motor (1,560 hp (1,160 kW))
Speedlist error: <br /> list (help)
15.3 kn (28 km/h; 18 mph) (surfaced, maximum)
9.8 knots (18 km/h; 11 mph) (submerged)
Range4,100 nmi (7,593 km; 4,718 mi) at 10 knots (19 km/h; 12 mph)
Complement28
Armamentlist error: <br /> list (help)
4 × 533 mm (21.0 in) torpedo tubes
6 torpedoes or 12 mines

The Heroj class (eng. Hero) was a class of diesel-electric attack submarines built for the Yugoslav Navy during the 1960s. The three strong class represented a significant improvement compared to the earlier Sutjeska-class. Built at the Brodogradilište specijalnih objekata (eng. Special objects shipyard) in Split, the new class featured a streamlined hull design and four bow facing torpedo tubes that could also be used for minelaying.

With the start of the Croatian War of Independence all three boats were relocated from the Lora Naval Base to Montenegro where they were commissioned with the SR Yugoslav Navy. The last two boats of the class, Junak and Uskok, were decommissioned during the 1990s and scrapped. Heroj was decommissioned in 2004 and after restoration laid up at the Porto Montenegro Museum in 2013.

Description

The boats measured 50.40 m (165 ft 4 in) in length with a hull diameter of 6.68 m (21 ft 11 in). Surfaced they displaced 614 t (604 long tons) and 705 t (694 long tons) while underwater. The diesel-electric drive consisted of two Mercedes diesel generators and single Končar electric motor mounted on a single shaft. This enabled them a maximum speed of 15.3 knots (28.3 km/h; 17.6 mph) underwater and 9.8 knots (18.1 km/h; 11.3 mph) when surfaced. Travelling underwater using a snorkel at a speed of 10 knots (19 km/h; 12 mph), the boats had a range of 4,100 nmi (7,600 km; 4,700 mi). Diving depth was 210 m (689 ft 0 in). The boats were manned by a complement of 28 crew members.

Ships

Name Pennant number[1] Namesake Builder[1] Laid down[2] Launched[2] Commissioned[2] Decommissioned Fate
Heroj P-821 Heroj Brodogradilište specijalnih objekata,
Split, SR Croatia, SFR Yugoslavia 		1964 1967 1968 2005/2006 extant; Porto Montenegro museum.
Junak P-822 Junak 1965 1968 1969 1997 scrapped in 1997
Uskok P-823 Uskok 1966 January 1970 1970 1998/1999 scrapped in 2007

Notes

  1. ^ a b Podmorničarska tradicija na hrvatskom Jadranu.
  2. ^ a b c Gardiner 1995, p. 645.

References

Books
  • Gardiner, Robert (1995). Conway's All the World's Fighting Ships, 1947–1995. Naval Institute Press. ISBN 978-0-85177-605-7. {{cite book}}: Invalid |ref=harv (help)
Other sources


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