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{{Infobox Ship Class
{|{{Infobox ship begin}}
| Class image=
{{Infobox ship image
|Ship image=
| Class caption=
|Ship caption=
| Class type=motor torpedo boat
| Class name=Sisu
| Class number=2
| Class before=
| Class after=
| Class displacement=13 tons
| Class length=16.2 m
| Class beam=3.0 m
| Class draught=1.2 m
| Class propulsion= Isotta Frachini; 373 kW
| Class speed=25 knots
| Class range=150 nm
| Class complement=8
| Class armament=2× 450 mm torpedoes<br>1× machine gun<br>4× depth charges<br>2× mines
| Class armour=
| Class aircraft=
| Class sensors=
| Class EW=
| Class ships=''Sisu'', ''Hurja''
}}
}}
{{Infobox ship class overview
The '''Sisu class motor torpedo boats''' ({{lang-en|Guts}}) was a series of two [[Italy|Italian]] M.A.S. type [[motor torpedo boat]]s of the [[Finnish Navy]]. The vessels were constructed in 1917 by the Orlando shipyard in [[Livorno]], Italy. ''Sisu'' and ''Hurja'' were bought by the Finns in 1922, and they saw service in [[World War II]].
|Name=''Sisu''
|Builders=Fratelli Orlando, [[Livorno]], [[Italy]]
|Operators={{navy|Finland}}
|Class before=
|Class after={{sclass|Isku|motor torpedo boat|4}}
|Subclasses=
|Cost=
|Built range=1916
|In service range=
|In commission range=1922–1942
|Total ships building=
|Total ships planned=
|Total ships completed=2
|Total ships cancelled=
|Total ships active=
|Total ships laid up=
|Total ships lost=
|Total ships retired=2
|Total ships preserved=
}}
{{Infobox ship characteristics
|Hide header=
|Header caption=
|Ship class=
|Ship type=[[Motor torpedo boat]]
|Ship tonnage=
|Ship displacement=13 tons
|Ship length={{Convert|16.2|m|ftin|abbr=on}}
|Ship beam={{Convert|3|m|ftin|abbr=on}}
|Ship height=
|Ship draught={{Convert|1.2|m|ftin|abbr=on}}
|Ship draft=
|Ship depth=
|Ship hold depth=
|Ship decks=
|Ship deck clearance=
|Ship ramps=
|Ship ice class=
|Ship power=
|Ship propulsion=2 × [[Isotta Frachini]]; 373 kW
|Ship sail plan=
|Ship speed={{Convert|25|kn|lk=in}}
|Ship range={{Convert|150|nmi|abbr=on}}
|Ship endurance=
|Ship test depth=
|Ship boats=
|Ship capacity=
|Ship troops=
|Ship complement=7
|Ship crew=
|Ship time to activate=
|Ship sensors=
|Ship EW=
|Ship armament=*2 × 450 mm torpedoes
*1 × machine gun
*4 × depth charges
*2 × mines
|Ship armour=
|Ship armor=
|Ship aircraft=
|Ship aircraft facilities=
|Ship notes=
}}
|}


The '''''Sisu''-class motor torpedo boats''' ({{langx|en|Guts}}) was a series of two [[Italy|Italian]] [[MAS boat|MAS]] type [[motor torpedo boat]]s of the [[Finnish Navy]]. The vessels were constructed in 1916 by the Orlando shipyard in [[Livorno]], Italy. ''Sisu'' and ''Hurja'' were purchased by the Finns in 1920, and saw service in [[World War II]].<ref name="auv"/> When dashing forward at full speed, the vessels sprayed water high in the air, earning the nickname "the fountains" from Finnish sailors.
When they dashed forward at full speed, the vessels cascaded water high up in the air, therefore they were nicknamed "the fountains" by the Finnish sailors.

On 1 October 1941 ''Sisu'', together with [[Syöksy-class motor torpedo boat|''Nuoli'']], was patrolling east of [[Gogland]] when it came across a large, stationary Soviet [[minesweeper]] of the {{sclass|Fugas|minesweeper|4}}. ''Sisu'' missed with her first torpedo, having mistaken the foam painted on the minesweeper's bow for an indication that it was actually moving. A second torpedo hit the minesweeper amidship and sank her.<ref name="kij_55">{{cite book |last1=Kijanen |first1=Kalervo |title=Suomen Laivasto 1918–1968, II |trans-title=Finnish Navy 1918–1968, part II |year= 1968 |publisher=Meriupseeriyhdistys/Otavan Kirjapaino |location=Helsinki, Finland |language=Finnish |pages=55–56}}</ref>


==Vessels of the class==
==Vessels of the class==
;Sisu: Ex-'''MTV 1''' in Finnish service, and ex-'''MAS 220''' in Italian service. She was used as a torpedo boat until 1942, and then transferred to [[Lake Ladoga]] in 1943, where she served as a patrol vessel. ''Sisu'' was broken up after the war.
;''Sisu'': Ex-''MTV 1'' in Finnish service, and ex-''MAS 220'' in Italian service. She was used as a torpedo boat until 1942, and then transferred to [[Lake Ladoga]], where she served as a patrol vessel. ''Sisu'' was broken up after the war.<ref name="auv">{{cite book |last1=Auvinen |first1=Visa |title=Leijonalippu merellä |trans-title=Lion flag at sea |year= 1983 |publisher=Satakunnan Kirjapaino Oy |location=Pori, Finland |language=Finnish |isbn=951-95781-1-0 |pages=34–35}}</ref>
;Hurja: Ex-'''MTV 2''' in Finnish service, and ex-'''MAS 221''' in Italian service. She was used as a torpedo boat until 1941, and then transferred to [[Lake Ladoga]] in 1943, where she served as a patrol vessel. ''Hurja'' was broken up after the war.
;''Hurja'': Ex-''MTV 2'' in Finnish service, and ex-''MAS 221'' in Italian service. She was used as a torpedo boat until 1941. ''Hurja'' was broken up after the war.<ref name="auv"/>

==References==
{{Reflist}}


[[Category:Ships of the Finnish Navy]]
{{WWII Finnish ships}}


[[Category:Torpedo boats of the Finnish Navy]]
[[sv:Sisu (torpedbåt, 1917)]]
[[Category:Ships built in Italy]]
[[Category:Torpedo boat classes]]

Latest revision as of 19:09, 26 October 2024

Class overview
NameSisu
BuildersFratelli Orlando, Livorno, Italy
Operators Finnish Navy
Succeeded byIsku class
Built1916
In commission1922–1942
Completed2
Retired2
General characteristics
TypeMotor torpedo boat
Displacement13 tons
Length16.2 m (53 ft 2 in)
Beam3 m (9 ft 10 in)
Draught1.2 m (3 ft 11 in)
Propulsion2 × Isotta Frachini; 373 kW
Speed25 knots (46 km/h; 29 mph)
Range150 nmi (280 km; 170 mi)
Complement7
Armament
  • 2 × 450 mm torpedoes
  • 1 × machine gun
  • 4 × depth charges
  • 2 × mines

The Sisu-class motor torpedo boats (English: Guts) was a series of two Italian MAS type motor torpedo boats of the Finnish Navy. The vessels were constructed in 1916 by the Orlando shipyard in Livorno, Italy. Sisu and Hurja were purchased by the Finns in 1920, and saw service in World War II.[1] When dashing forward at full speed, the vessels sprayed water high in the air, earning the nickname "the fountains" from Finnish sailors.

On 1 October 1941 Sisu, together with Nuoli, was patrolling east of Gogland when it came across a large, stationary Soviet minesweeper of the Fugas class. Sisu missed with her first torpedo, having mistaken the foam painted on the minesweeper's bow for an indication that it was actually moving. A second torpedo hit the minesweeper amidship and sank her.[2]

Vessels of the class

[edit]
Sisu
Ex-MTV 1 in Finnish service, and ex-MAS 220 in Italian service. She was used as a torpedo boat until 1942, and then transferred to Lake Ladoga, where she served as a patrol vessel. Sisu was broken up after the war.[1]
Hurja
Ex-MTV 2 in Finnish service, and ex-MAS 221 in Italian service. She was used as a torpedo boat until 1941. Hurja was broken up after the war.[1]

References

[edit]
  1. ^ a b c Auvinen, Visa (1983). Leijonalippu merellä [Lion flag at sea] (in Finnish). Pori, Finland: Satakunnan Kirjapaino Oy. pp. 34–35. ISBN 951-95781-1-0.
  2. ^ Kijanen, Kalervo (1968). Suomen Laivasto 1918–1968, II [Finnish Navy 1918–1968, part II] (in Finnish). Helsinki, Finland: Meriupseeriyhdistys/Otavan Kirjapaino. pp. 55–56.