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"Baglietto velocissimo" type motor torpedo boats (MAS501) (1937)
Photo
MAS505 1941
Ships
| Names | Builders | Completed | Losses | Transfers | Discarding |
|---|---|---|---|---|---|
MAS501 - 509 MAS510, 1946- ME B1, 1947- MAS1 MAS511 - 513 MAS514, 1946- ME B2, 1947- MAS2 MAS515 - 519 MAS520, 1946- ME B3, 1947- MAS3 MAS521, 1946- ME B4, 1947- MAS4, 1949- NE109 MAS522 MAS523, 1944- MAS MT523 MAS524 MAS525, 1946- ME B9, 1947- MAS9 |
Picchiotti, Limite sull`Arno: MAS501, 515 - 518 Baglietto, Varazze: MAS502 - 509, 511, 512 CRDA, Monfalcone: MAS510, 513, 514, 525 Celli, Venezia: MAS519 - 522 SACIN, Venezia: MAS523, 524 |
1 - 10.1937: MAS501 - 525 |
MAS501 (10.4.1943), MAS502 (8.9.1943 German S626), MAS503 (10.4.1943), MAS504 (8.9.1943 German S627), MAS505 (mutiny 10.4.1944, German SA19), MAS507 (12.8.1944), MAS509 (12.8.1944), MAS512 (24.1.1942), MAS513 (24.1.1942), MAS518 (12.9.1943), MAS522 (mutiny 18.9.1943) |
Sweden 2.1940: MAS506, 508, 511, 524 (T11 - 14) Soviet Union 7.1949: MAS516 (ТК-975 [TK-975]), MAS519 (ТК-976 [TK-976]) |
12/1944: MAS517 10/1945: MAS515 1949: MAS MT523 6 - 7.1950: MAS1 - 3, NE109, MAS9 |
Technical data
| Displacement standard, t | MAS501: 20.7 MAS502 - 509, 511, 512: 21 MAS510, 513 - 525: 24 |
|---|---|
| Displacement full, t | |
| Length, m | 17.0 |
| Breadth, m | MAS501: 4.30 MAS502 - 509, 511, 512: 4.70 MAS510, 513 - 525: 4.40 |
| Draught, m | 1.30 |
| No of shafts | 2 |
| Machinery | 2 Isotta Fraschini petrol engines |
| Power, h. p. | 2000 |
| Max speed, kts | MAS501, 513 - 525: 42 MAS502 - 512: 41 |
| Fuel, t | petrol 1.25 |
| Endurance, nm(kts) | 350(39) |
| Armament | MAS501: 2 x 1 - 13.2/76, 2 - 450 TT, 6 DC MAS502 - 525: 1 x 1 - 13.2/76, 2 - 450 TT, 6 DC |
| Electronic equipment | presumably hydrophone |
| Complement | 9 |
Standard scale images
MAS501 1937
Graphics
MAS505 1941
Project history
Type «Baglietto class 500, 1st series»: development of MAS424 which became a prototype of 1st series of "500" class. Under some data, already a number of boats of this series in addition to main Isotta-Fraschini engines were equipped by 2 80hp Alpha-Romeo petrol engines for cruising. Last boat of a series, MAS525 was steel-hulled instead of wooden sister-boats.
Modernizations
1944, MAS MT523: - 1 x 1 - 13.2/76, 2 - 450 TT, 6 DC; + 3 x 1 - 20/65 Breda 1940
1946, MEB1 - 4, 9: - 2 - 450 TT, 6 DC
1947, MAS1 - 4, 9: + 2 - 450 TT, 6 DC.
Naval service
No significant events.
