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"SVAN-Ansaldo 12ton" type ("A" group 1st series) motor gun boats (MAS23) (1916 - 1917)
Photo
MAS33 1916
Ships
| Names | Builders | Completed | Losses | Transfers | Discarding |
|---|---|---|---|---|---|
MAS23 - 52 |
Ansaldo, Genova: MAS23-52 |
1916: MAS23 - 51 1917: MAS52 |
MAS25 (2.5.1917), MAS28 (27.12.1916), MAS34 (27.4.1925), MAS49 (28.2.1917) |
none |
1920: MAS27, 32 1921: MAS42, 43 1922: MAS35, 37, 39 1925: MAS29, 33 1926: MAS23, 24, 26, 30, 31, 38, 40, 45 - 47 1928: MAS41, 44 1929: MAS36, 48, 50 - 52 |
Technical data
| Displacement normal, t | 11.8 |
|---|---|
| Displacement full, t | |
| Length, m | 16.0 |
| Breadth, m | 2.63 |
| Draught, m | 1.30 |
| No of shafts | 2 |
| Machinery | 2 Sterling petrol engines |
| Power, h. p. | 400 |
| Max speed, kts | 18 - 22 |
| Fuel, t | petrol |
| Endurance, nm(kts) | 200(22) |
| Armament | MAS23 - 44, 46 - 52: 1 x 1 - 47/40 H1901, 1 x 1 - 6.5/115, 4 DC MAS45: 1 x 1 - 37/20 H1886, 2 - 350 TT |
| Complement | 8 |
Standard scale images
MAS23 1916
Graphics
MAS33 1916
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
MAS45, ~1916: was armed with 1 x 1 - 47/40 H1901, 1 x 1 - 6.5/115, 4 DC.
Naval service
No significant events.
