Ronis-class submarine

Class overview
scheme of Ronis class submarine
Name:	Ronis
Operators:	Latvian Navy, Soviet Navy
Built:	1925–1926
In service:	1926–1941
Completed:	2
Lost:	2
General characteristics
Type:	diesel/electric-powered attack submarine
Displacement:	390 tons surfaced 514 tons submerged
Length:	55.0 m
Beam:	4.80 m
Draught:	3.60 m
Propulsion:	2 shafts, - Two Sulzer diesels, 1300 hp - 2 electric motors 700 hp
Speed:	14 knots (26 km/h) surfaced 9 knots (17 km/h) submerged
Test depth:	160 feet
Complement:	27
Armament:	6 21-inch (533 mm) torpedo tubes (2 bow, and 2 x twin external turnable) 1 × 75mm.Main deck gun 2 × 7.62 machine-guns

The Ronis class submarines were built for the Latvian Navy in France in 1925. They were acquired by the Soviets in 1940 following the annexation of Latvia by the Soviet Union. They were scuttled in Liepāja in June 1941 as the Nazis were about to capture the port. The hulls were raised in 1942 and scrapped

Design

The boats were small coastal submarines built to a French design. Ronis means "seal" in the Latvian language, Spīdola is a character from the Latvian language poem Lāčplēsis

Ships

Ship	Builder	Laid down	Launched	Commissioned	Fate
Ronis	AC de la Loire, Nantes	1925	1 July 1926	1927	Scuttled 24 June 1941
Spidola	AC Augustin Normand, Le Havre	1925	6 October 1926	1927	Scuttled 24 June 1941

References

Conway's All the World's Fighting ships 1922–1946
Vladimir Yakubov and Richard Worth, Raising the Red Banner -2008 Spellmount ISBN 978-1-86227-450-1
page on Ronis in Russian Language
page on Spidola in Russian Language

Soviet naval ship classes of World War II

Battleships	Gangut Revenge^S^RN Sovetsky Soyuz^X

Battlecruisers	Kronshtadt^X

Cruisers	Bogatyr^S Svetlana Admiral Nakhimov Omaha^S^USN Admiral Hipper^S^X Kirov Chapayev^X

Destroyers	Novik^S Derzky^S Orfey Izyaslav Fidonisy Leningrad Tashkent Type 7 Type 7U Opytny Ognevoy Town^RN Mărăşti^ROM Regele Ferdinand^ROM

Guard ships	MO Uragan Yastreb

Motor torpedo boats	Sh-4 G-5 D3

Submarines	D L Shch P S M K A (AG) Kalev^EN Ronis^LN S^S^RN U^RN

S Single ship of class RN loan from Royal Navy USN loan from United States Navy ROM surrendered by Romanian Navy in 1944 EN former Estonian Navy LN former Latvian Navy X Cancelled or not completed during war

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