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REGIA MARINA (ITALY)

COASTAL FORCES

"MTSM" type midget motor torpedo boats (1941-1943)

Names

> 100 boats (MTSM201 - ...)

Builders

Baglietto, Varazze

CABI-Cattaneo, Milano

Completed

1941 - 1943

Losses

including MTSM204 (5/1942), MTSM206 (5/1942), MTSM208 (5/1942), MTSM210 (5/1942), MTSM216 (5/1942), MTSM228 (29/8/1942) e.c.

Transfers

none

Discarding

unknown, to 1943: all

  

Displacement standard, t

3

Displacement full, t

4?

Length, m

8.40

Breadth, m

2.20

Draught, m

0.60

No of shafts

2

Machinery

Alfa Romeo petrol engines

Power, h. p.

190

Max speed, kts

32

Fuel, t

petrol

Endurance, nm(kts) 200(32)

Armament

1 - 450 TT, 2 DC

Complement

2

Ship project history: In 1939 there are begun studies of the project of small MTB on the basis of pleasure boat. First launches of MTS type (MTS is deciphered as Motoscafi di turismo, siluranti (tourist boat carrying torpedoes)) became development of suicide boats of MTM type. The project was developed by Baglietto. The sizes were increased for placing of two torpedoes and two crew members. MTS launches have passed successful trials in 1940, however because of insignificant endurance and low speed (with torpedoes speed felt to 23kts) and did not participate in operations.

In 1941 Baglietto developed the advanced project of small MTB of MTSM type (last M means modified) in which have tried to remove the basic lacks of previous model: low seaworthiness and low speed. The number of carried torpedoes was shrank to one. Some launches instead of a torpedo could carry up to three frogmen.

Modernizations: None.

Naval service: No significant events.

 

Ivan Gogin, 2009-14