NAVYPEDIA



HOME
FIGHTING SHIPS OF THE WORLD
UNITED KINGDOM
COASTAL FORCES
MGB6 motor gun boats (35, 1939 - 1941)


Photo



MGB61 1942  

Ships


Names Builders Completed Losses Transfers Discarding

MA/SB6 - 21, 1940 - MGB6 - 21

MGB46, later- MTB433 (ex-MA/SB46)

MGB50 - 59 (ex-MA/SB50-59)

MA/SB60, 1.1941- MGB60

MGB61 - 67 (ex-MA/SB61 - 67)

British Power Boat, Hythe: MA/SB6-21, 60, MGB46, 50, 61-67

1939 - 1940: MA/SB6-21, MGB50-59, MA/SB60, MGB61-67

1940 // 7.1940: MGB46

MGB12 (3.2.1941), MGB17 (11.6.1944), MGB18 (30.9.1942), MGB19 (6.11.1942), MGB62 (9.8.1941), MGB64 (8.8.1943)

none

1945: MGB6-11, 13-16, 20, 21, 50-59, 60, 61, 63, 65-67, MTB433


Technical data


Displacement standard, t

28 - 30

Displacement full, t32 - 38
Length, m21.3
Breadth, m5.05
Draught, m0.95 - 1.21
No of shafts

MGB6 - 21: 2

others: 3

Machinery

MGB6 - 21: 2 Napier petrol engines

MGB46: 3 Rolls-Royce petrol engines

MG50 - 67: 3 Isotta-Fraschini petrol engines

Power, h. p.MGB6 - 21: 1650

others: 3300

Max speed, kts

MGB6 - 21: 23

MGB46: 42.5

MGB50 - 67: 40

Fuel, t

petrol 9800 - 10700 l

Endurance, nm(kts) 
Armament

MGB6 - 21: 1 x 1 - 40/39 2pdr QF Mk VIII or 1 x 1 - 20/70 Oerlikon Mk II/IV, 2 x 2 - 12.7/62, 2 DC or 2 DCR (12 - 14)

MGB46: 1 x 1 - 40/39 2pdr QF Mk VIII, 2 x 2 - 12.7/62, 2 DC

MGB50 - 67: 1 x 1 - 20/70 Oerlikon Mk II/IV or 1 x 4 - 7.7/87, 2 x 2 - 12.7/62, 2 x 2 - 7.7/94, 2 DC

Complement9 - 12


Graphics


<i>MGB61</i> 1942  
MGB61 1942  


Project history

MGB46 was ordered by Netherlands, MGB50 - 67 by France, all as MTBs.

Modernizations

circa 1942, MGB6 - 21: were re-engined with Packard petrol engines (3600hp, 38kts)

1942-1943, some survived: + type 286PU or type 291U radar

Naval service

MGB21 became controlled target CT25 in 1943