| RAF NUMBERS |
1140 - 1169 |
| BUILDERS |
BROOKE Marine Ltd, Lowestoft (1140 - 1145) |
|
VOSPER Ltd, Portsmouth (1146 - 1169) |
| DISPLACEMENT |
20.5 Tons |
| HULL DIMENSIONS |
LOA.........45' 9" |
|
Beam.......10' 0" |
|
Draught....3' 10" |
| HULL PLATING |
Material - Steel |
|
Method - Riveted |
|
Side Thickness. . . . .1/8" |
|
Bottom Thickness . . 3/16" |
| MAIN PROPULSION |
Twin Ford Vosper 4/49, each 49 bhp |
| GEARBOX |
Parsons D Type |
| REDUCTION |
2.4:1 reduction |
| DYNAMO |
C.A.V. D45R 12 Volt |
| AUXILLARY MACHINERY |
Stuart Turner Type P55 6/8 hp |
| PUMP |
Zwicky 3" Positive Radial Pump |
| RATE |
120 Gallons per minute |
| FUEL STORAGE |
2500 Gallons |
| PROPELLOR |
Material . . . Admiralty Gunmetal |
|
Pitch. . . . . .22" |
|
Diameter . .20" |
|
Hand . . . . . .Right Hand |
| TAILSHAFT |
Material. . . .Monel Metal |
|
Diameter . . .1ΒΌ" |
| MAXIMUM SPEED |
8.5 Knots |
| DURATION @ MAX RPM |
0.5 Hours |
| MAX CRUISING SPEED |
7.5 Knots |
| TOTAL FUEL CARRIED |
64 Gallons |
| ENDURANCE |
90 miles |