1. Main propulsion
· 2 x Cummins VT 12-800-M, V 12 cylinder, 4 cycle, twin turbocharged and intercooled, 1710 cu.in., 5 ½” bore, 6” stroke (28,027 cc, 140 x 152mm); Exhaust vents to funnel. Fresh water cooling with seawater heat exchangers. 24v electric start and alternators. Power rating: 800 bhp (749 shp) @ 2100 rpm intermittent, 550 bhp (514 shp) @ 1800 rpm continuous. Cruising speed of approx 10.5 knots at 1500 rpm.
· Twin Disc MG521 gears, 4.087:1 reduction, with 56” x 47” 3 blade outward rotating Michigan Wheel bronze propellers.
2. Generators
· Main: 2 x Caterpillar 3304T, 4 cylinder, turbocharged, 425 cu.in. (7,000 cc) engines, driving Caterpillar SRCR, 75 kW continuous rating @ 1500 rpm, 50Hz, 400/ 230v 3-phase 4 wire, 0.8 p.f. . Fresh water cooling with heat exchangers. 24v electric start and alternators. Exhausts vent to funnel.
· Auxiliary: Kohler 24EOZ 24KVA driven by Yanmar 4TNE84-T, 4 cylinder, turbocharged 122 cu. in. (1,995cc), 1800rpm, 60Hz, 480/380/208v 3-phase 4 wire. Fresh water cooling with heat exchanger. 12v electric start and alternator. Water silenced exhaust through hull on starboard side.
3. Steering Gear – twin rudders
· Yamamoto YMR 20M Electro–hydraulic , 24v DC control unit manual hydraulic wheel or power assisted push button control, integral rudder indicator, and remote control; actuators powered by 1hp AC 380v 3-phase electric motor driven hydraulic pump with rams in aft steering compartment moving twin rudders
· Emergency wheel with worm drive and steel cables in steering compartment
4. Engine Control System
Morse control system with dual station control in wheel house and starboard bridge wing
5. Air conditioning System – being replaced
· Temporary domestic single phase split units in wheelhouse, deck saloon and 2 after cabins
· “Marine Air System” 48,000 btu air-conditioning system with compressor/condenser located in galley on port side providing air-conditioning to mnin deck saloon, 2 forward guest cabins and crew spaces by independent evaporator/ blowers.
· “Marine Air System” 36,000 btu air-conditioning system with compressor/condenser in galley on starboard side providing additional air-conditioning to main deck saloon
6. Fresh Watermakers/Desalinators – 2 units.
· 1st unit –Evaporator Desalinator Beaird Maxim HJ20 capacity 960 gallons per day. Jacket water can supply from main propulsion engines or hot water heaters. 380v 3-phase pump in ER. Salinity panel installed in wheelhouse
· 2nd unit – “Sea Recovery” reverse osmosis desalination system, model SRC400 SCRA with capacity 400 US gallons per day, relocated to galley starboard side,1.5hp, 220v 50 Hz, 1500 rpm
1. Air Compressor – 1 unit for horns and utility air tools
· Tank mounted 2 cylinder, 10Kg/ cm2 max pressure, 2hp 380v 3-phase motor
2. Engine room ventilation: 7 axial fan units port & starboard inletducted from upper deck and funnel, and 1 exhaust blowers and 3 axial extractors in funnel (all AC 380v, 3 phase motors)
3. Emergency bilge pump and fire lines with electrical, or hand-start Yanmar diesel 50mm pump
1. AC Power is taken from 3-phase shore supply or from any on-board generator, see above. Generators are non-synchronous.
2. DC 24V System – 20 x 12v x 195 ampere/hours lead acid batteries
· 2 sets for utility supply, of 4 deep cycle batteries, housed in ventilated stainless steel battery storage lockers, in engine room, port side
· 2 sets of 2 batteries each (capacity 24v200ah per set) for main engine starting in port side locker
· 2 sets of 2 batteries each (capacity 24v 120ah per set) for generator starting, in port side locker
3. DC 12V System
· Utility supply: 1 sets of 4 x 12v 195 ampere/hours lead acid battery batteries each (total capacity 12v 780ah at 20 hour rate) located in engine room in vented stainless steel locker between main engines (to port) for utility supply and generator starting
· Emergency supply: 4 x 12v 60ah batteries on deck port side aft of wheelhouse for gyros and radios and GPS, charged from main Ac or DC bus
· 1.5kw Inverter/battery charger in wheelhouse (port, aft) supplies AC from emergency or main battery supply
4.
· 2 heavy duty battery chargers in engine room, port forward – 24V 2 bank and 12V unit
· 24v alternators on engines, and main generators, 12v alternator on auxiliary generator
· separate 24 and 12v battery charging systems for emergency batteries
5. Shore Connection System
· Input on deck starboard side 380-415v 3 wire 3-phase supply
· 1 unit isolating transformer (32 KVA) installed in engine room with connection panel for 415/400/380v 3-phase shore power, with phase sequence detector and changeover switch between shore power and auxiliary generators .
· Mechanical interlock on main switchboard control solenoid activated contactor in main switchboard to isolate main generators when connected to auxiliary or shore power.
· Output Power Connectors – weatherproof sockets both sides for 230v single phase supply for other vessels
6. Main Switch Board & Distribution System
· 1 unit Supercraft made main AC switch board in engine room port forward bulkhead, and DC switchboard to starboard
· 5 distribution panels in engine room, fore cabin, rear cabin, main deck and bridge respectively. Marine grade double insulated armoured cable and Square D miniature circuit breakers are used throughout the distribution system.
1. Fresh Water System
· 2 units of Godwin 24v automatic pressure pump located in engine room and galley. Can work individually to provide fresh water supply to whole boat.
· Fresh water transfer pump in engine room to transfer fresh water from tank to tank.
·
Hot water supply from Engine Room using Seafarer
VH20HWT, 2 x 20
· Total of 1,700 gallons in 13 fresh water tanks:
· 2 service tanks in engine room and forward accommodation
· 6 storage tanks in steering compartment
· 5 storage tanks in aft accommodation.
2. Bilge Water Pumping System
· 6 units DC 24v bilge pumps (Crowell 16 gpm 1/5 HP motor) serving 5 water-tight compartments
· 1.5” Jabsco 777 bilge pump in engine room driven by AC 3 phase motor
· 2” suction connection to fire pump for use as emergency bilge pump.
· 2 unit AC portable submersible bilge pump in engine room
· Dual control from bilge water high level indicator/alarm panel in Wheelhouse
3. Fuel Oil System
· 2 service tanks in engine room and 8 storage tanks providing total capacity of over 5,100 gallons
· 1 unit “Liquid Control” flow gauge with metered quantity pre-selector and air detection automatic cut off installed on port after bulkhead in engine room above the change-over valves of fuel oil tanks
· Main: fuel oil transfer gear pump (1hp 380v 3-phase) in engine room
· Secondary: 240 gph gear pump (AC 230v motor) filtering through 3 Racor 1000 series 360 gph fuel cleaning filters
· Standby: JABSCO 24v diesel transfer vane pump and hand pump in engine room
4. General Service Pump
·
1 unit “
·
1 unit “
5.
· 2 units – Centrifugal, ½ HP AC220v motor
6. Chain Washing Pumps – 3 units
· Crowell, 16gpm, DC 24V 1/5 HP motor to each chain pipe and separate deck wash pump
7. Sump Tank Pump – 6 units, Johnson F4 or equivalent , DC 24V motor
8. Lavatories – 8 units
· 2 – Raritan Crown Head, DC 24V motor
· 6 – Raritan Jet Head, DC 24V motor, one in each guest cabin , aft cabins drained to black water sump tank and discharged after maceration.