Names | Builders | Completed | Losses | Transfers | Discarding |
---|---|---|---|---|---|
MTB20 - 23 MTB29, 30 MTB69 (ex-Greek T4) MTB70 (ex-Greek T3) MTB218 - 221 (ex-Greek T3 - 6) |
Vosper, Portsmouth - MTB20 - 23, 69, 70, 218 - 221 Camper & Nicholson, Gosport - MTB29, 30 |
6 -12/1939 - MTB20 - 23 2 - 11.1940 - MTB29, 30, 69, 70 6 - 9.1941 - MTB218 - 221 |
MTB29 (6.10.1942), MTB30 (18.12.1942), MTB218 (18.8.1942), MTB220 (13.5.1942) |
Romania, 1939: MTB20, 21, 23 (Viforul, Viscolul, Vijelia) |
1943: MTB69, 70 1945: MTB22, 219, 221 |
Displacement standard, t | 32 - 35 |
---|---|
Displacement full, t | 37 - 40 |
Length, m | 21.9 MTB218 - 221: 22.1 |
Breadth, m | 4.98 MTB218 - 221: 5.21 |
Draught, m | 1.02 - 1.12 deep load |
No of shafts | 3 MTB70: 2 |
Machinery | MTB20 - 23, 29, 30, 69: 3 Isotta-Fraschini petrol engines MTB70: 2 Isotta-Fraschini petrol engines MTB218 - 221: 3 Hall Scott petrol engines |
Power, h. p. | MTB20 - 23, 29, 30, 69: 3450 MTB70: 2300 MTB218 - 221: 1800 |
Max speed, kts | MTB20 - 23, 29, 30, 69: 42 (absolute) 40 (sustained) MTB70, 218 - 221: 25 |
Fuel, t | petrol 5500 - 8660 l |
Endurance, nm(kts) | |
Armament | MTB20 - 23, 29, 30: 2 x 4 - 7.7/94, 2 - 533 TT, 8 DC or 4 mines MTB69, 70, 218 - 221: 1 x 2 - 12.7/62, 2 - 533 TT, 8 DC or 4 mines |
Complement | 10 |
MTB20, 21 and 23 were sold to Romania in 1940. MTB69, 70, 218 — 221 were built for Greece and confiscated.
1942: MTB218 - 221 were re-engined with 3 Packard petrol engines (33kts at 3600hp or 37.5kts at 4050hp if forced)
1943-1944, may be some: + type 291U radar
ce: 1943: MTB69, 70 became controlled targets CT18 and 19