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"Orlando 12ton" type ("A" group 1st series) motor torpedo / gun boats (MAS91) (1917 - 1918)


Photo



MAS95 1917  

Ships


Names Builders Completed Losses Transfers Discarding

MAS91 - 102

Orlando, Livorno: MAS91-102

1917: MAS91 - 98

1918: MAS99 - 102

MAS93 (26.12.1919), MAS99 (9.12.1926)

Nationalist Spain, 4.1937: MAS100 (LT17 Napoles)

1921: MAS91

1925: MAS96

1926: MAS97, 98, 101, 102

1929: MAS95

1934: MAS92

1937: MAS94



Technical data


Displacement normal, t 
Displacement full, t

MAS91, 93, 97 - 99: as MGB: 11.5

MAS91, 93, 97 - 99: as MTB: 12.4

MAS92, 94 - 96, 100 - 102: as MGB12.5

MAS92, 94 - 96, 100 - 102: as MTB 13.4

Length, m

16.2

Breadth, m

2.83

Draught, m

as MGB: 1.30

as MTB: 1.38

No of shafts

2

Machinery

MAS91, 93, 97 - 99: 2 Isotta-Fraschini petrol engines

MAS92, 94 - 96, 100 - 102: 2 Isotta-Fraschini petrol engines / 2 Rognini electric motors

Power, h. p.

MAS91: 450

MAS92, 94 - 96, 100 - 102: 500 / 10

MAS93, 97 - 99: 500

Max speed, kts

MAS91, 93, 97 - 99: 29.5

MAS92, 94 - 96, 100 - 102: 29.5 / 4

Fuel, t

petrol

Endurance, nm(kts)170(24)
Armament

as MGB: 1 x 1 - 47/40 H1901, 1 x 1 - 6.5/115, 2 DC

as MTB: (2 - 3) x 1 - 6.5/115, 2 - 450 TT, 4 DC

Complement

8



Standard scale images


MAS95 1917
MAS95 1917


Graphics


<i>MAS95</i> 1917  
MAS95 1917  


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

MAS96 was offered as a gift to Gabriele d`Annunzio and since 1958 preserved as museum piece at Gardone (Lake Garda). Another museum boat, MAS94, has burnt down in 1946 in La Spezia.