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fighting ships of the world

REGIA MARINA (ITALY)

COASTAL FORCES

"SVAN 12ton type (modified "A" group) motor gun boats (1917)

very close MAS53 1917

Names

MAS58 - 62

Builders

SVAN, Venezia: MAS58-62

Completed

1917: MAS58 - 62

Losses

none

Transfers

none

Discarding

1921: MAS60

1922: MAS61

1923: MAS59

1926: MAS58, 62

  

Displacement normal, t

MAS58: 12.5

MAS59 - 62: 11.9

Displacement full, t

 

Length, m

16.0

Breadth, m

3.03

Draught, m

MAS58: 1.25

MAS59 - 62: 1.20

No of shafts

MAS58: 3

MAS59 - 62: 2

Machinery

MAS58: 3 Sterling petrol engines

MAS59 - 62: 2 Sterling petrol engines

Power, h. p.

MAS58: 600

MAS59 - 62: 400

Max speed, kts

MAS58: 25

MAS59 - 62: 22 - 23

Fuel, t

petrol

Endurance, nm(kts)

MAS58: 140(25)

MAS59 - 62: 200(22)

Armament

1 x 1 - 47/40 H1901, 1 x 1 - 6.5/115, 6 DC

Complement

8

Project history: So-called "12-ton" boats designed by A. Bisio (SVAN) and built by different builders in 1916-1918. Boats differed from each other by armaments and engines. Some (1, 4 and 6th series) were extra equipped with 10hp electric motors for silent running.

Modernizations: None.

Naval service: No significant events.

 

© Ivan Gogin, 2009-14