| RAF NUMBERS |
1405, 1408, 1415 - 1417 |
| BUILDER |
Various |
| DISPLACEMENT |
25.5 Tons |
| HULL DIMENSIONS |
Length oa. . . 60' 0" |
|
Beam . . . . .14' 0" |
|
Draught . . . . .3' 4½" |
| HULL PLANKING |
Material . . Mahogany |
|
Method . . .Double Diagonal |
|
Side Thickness. . . . .¾" |
|
Bottom Thickness . . ⅞" |
| MAIN PROPULSION |
Triple Perkins S6M @ 130 bhp each |
| GEARBOX |
Meadows |
| REDUCTION |
Direct |
| DYNAMO |
C.A.V. D5L 24 Volt |
| AUXILLARY MACHINERY |
Lyon Norman Type T300 2¾ hp |
| GENERATOR |
Crypto Type 5DF4 1.2 K.W. |
| PROPELLOR |
Material . . . Nickel Bronze |
|
Pitch. . . . . 10¾" |
|
Diameter . .18½" |
|
Hand . . . . . .Left Hand |
| TAILSHAFT |
Material. . . .Manganese Bronze |
|
Diameter . . .2¼" |
| MAXIMUM SPEED |
13 Knots |
| DURATION @ MAX RPM |
½ Hour |
| MAX CRUISING SPEED |
11 Knots |
| TOTAL FUEL CARRIED |
950 Gallons |
| ENDURANCE |
770 Miles |