The YFU is a 115 foot by 34 foot self-propelled harbor utility craft, triple screw diesel engine driven, capable of carrying motor vehicles or artillery and disembarking such cargo over a hinged bow ramp directly onto the beach.
Specifications: Detail and Special Specifications for Building Landing Ship, Utility LSU 1466 Class 21 Feb 1951
NOTE: Size varies between Classes.
|Length Overall, molded||
|Length between perpendiculars||
|Depth, molded to main deck (no camber, no sheer) amidship||
|Depth, molded to top of bulwark||
|Draft, landing displacement (forward)||
|Draft, landing displacement (aft)||
|Displacement, landing (estimated)||
|Diesel oil capacity||
|Fresh water capacity (total)||
|Lubricating oil capacity||
1,200 Nautical miles at 6 knots
PRINCIPAL MACHINERY and EQUIPMENT
Three vertical, six-cylinder, compression-ignition, solid injection main propulsion diesel engines, 165 brake horsepower at 1800 rpm continuous. 225 brake horsepower at 2100 rpm (6 hours emergency).
Two 20 kw, 120 volt DC, 2 wire diesel, battery start ship's service generator sets
Manual operated, mechanical type steering machinery
Electric winch to raise and lower the bow ramp
Single drum, reversible, gasoline driven type stern anchor winch
Bilge pump, self-priming centrifugal type, 150 gpm at 15 psi
Fire pump, centrifugal type, 100 gpm at 100 psi
Fresh water pump, self-priming peripheral type, 5 gpm at 40 psi
Fuel oil transfer pump, rotary type, 15 gpm at 25 psi
HULL, STRUCTURE and FITTINGS
Hull - Steel
Galley and messroom
Chief Petty Officers' quarters - Two berths
Crew's quarters - Twelve berths
One mess table, 2 mess benches
One electric refrigerator
One electric coffee urn
One anchor, 1500 pounds, 150 fathoms, of 1 inch diameter, 6 x 37, galvanized high grade plow steel wire rope.
Anchor winch capable of a maximum line load of 30,000 pounds at a line speed of at least 9 feet per minute.
One 15-person life raft
One 12-foot plastic dinghy
Ten portable 15 pound carbon dioxide extinguishers
One NPU nozzle with a pick-up tube and two five gallon cans of foam liquid
Drainage - Eductor and drainage piping is sized so that with the eductor supplied with water from the firemain system 50 gpm of drainage water can be drawn.
Propulsion - Three propellers, 3'-2" in diameter, two right hand (starboard and centerline), one left hand (port), each driven by a diesel engine which drives the propeller shaft and propeller through a reverse reduction gear.
Manually operated, mechanical type with steering control in pilot house.
Travel of three main rudders limited to 35° port and starboard.
Pilot house control for starting, stopping, reversing, and varying the speed of diesel engines.
Helm angle Indicator at steering station.
AUXILIARY MACHINERY and FLUID SYSTEM
Pressure tank type system, 40 gallon pressure tank
Hot water for domestic purposes provided by a commercial water heater
Diesel Oil - motor driven fuel oil pump 15 gpm at 25 psi takes suction from fuel oil storage tanks and discharges to fuel oil service talks for main propulsion engines and diesel generators.
Lube Oil -
200 gallon capacity lube oil storage tank. Filling of engine sumps with clean lube oil from storage tank by hand container
Heating - Two-pipe hot water heating system. Water is heated by an oil-fired hot water heating boiler.
Bracket fans provided as follows:
Crew berthing (2), messroom (1). and CPO berthing (1).
Air velocities not exceeding 3,500 feet per minute.
Compressed Air - 120-volt AC motor driven air compressor and pressure tank for supply of air to the pneumatic engine control system is provided with the propulsion engines.
Generator - Two 20 kw, 120 volt DC, 2 wire diesel, battery start
Three 24-volt storage batteries for starting propulsion engines and ship's service generators
One 12-volt storage battery for starting anchor winch engine
Shore Power - One shore terminal box to accommodate two sets of cable lugs.
Switchboard - Ship's service power switchboard
Bulkhead - mounted interior communication switchboard
Radio - Transmitter-receiver
Radar - 500 watts
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