40ft Seaplane Tender Mk.I

RAF Numbers 304 - 313, 367 - 399, 402 - 421, 425 - 435
446 - 486, 1520 - 1591, 1625 - 1627
BUILDERS J.S. White, Cowes - Brooke Marine, Lowestoft
Aldous Successors, Brightlingsea - W. Bates, Chertsey
Thornycroft, Hampton - Shepherds Bros
J.S. White, Cowes - Staniland & Co Ltd, Thorne
Yorkshire Yacht Co Ltd, Bridlington - Thornycroft, Singapore
DISPLACEMENT 5.5 Tons
HULL DIMENSIONS LOA.........40' 0"
Beam.......8' 9"
Draught....2' 4"
HULL PLANKING Material........Mahogany (See Note 1)
Method.......Double Diagonal
Side Thickness.....5/8"
Bottom Thickness.....3/4"
MAIN PROPULSION Twin Perkins S6M DIESELS each 130 bhp
GEARBOX Meadows
REDUCTION Direct
DYNAMO C.A.V. 24 Volt
PROPELLOR Material . . . Nickel Aluminium Bronze
Pitch. . . . . .16½"
Diameter . .16¾"
Hand . . . . . .Left Hand
TAILSHAFT Material. . . .Monel Metal
Diameter . . .1¼"
MAXIMUM SPEED 23 Knots
DURATION @ MAX RPM 0.5 Hours
MAX CRUISING SPEED 20 Knots
TOTAL FUEL CARRIED 130 Gallons (See Note 2)
ENDURANCE 290 miles
Note 1 Craft Nos. 446-455 built in Teak.
Note 2 Craft 304-313, 367-399, 402-421, 425-435, 446-486 & 1520
fitted with 80 Gallons tanks with Endurance of 210 miles
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