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Machinery, Fuel Tanks and Fuel System

Specifications:

  • Yanmar 6HADTE 300HP Turbo 6 cylinder Diesel engine
  • Gearbox is Yanmar YP15, Ratio 3.3:1
  • Engine is fresh water cooled through fresh water / seawater heat exchanger
  • Taro 900 FH fuel filtration system is fitted

The exhaust is a riser connected to a fiberglass water collector/ muffler and exits above waterline out the portside via a 5 " rubber exhaust hose. This system is insulated.

The shaft is stainless steel, 3 inches in diameter and the stuffing box of classic conception with packing rope.

Main engine beds are timber and longitudinal stringers are integral with the hull construction. Motor mounts are bolted to the engine beds that are attached to stringers. The mounts may be shimmed to adjust the propeller shaft alignment as well as to secure the engine to the engine bed structure.

Sea water comes from two 2? through hull fittings with 2? stainless steel ball valves openings, one port and one to starboard, into a seawater strainer from which it then runs to the main engine and generators.

Engine spaces are clean and in well maintained condition throughout. Maintenance access to engines and gensets is good with the engine located in the centerline and a genset to port and starboard with a walkway between.

The batteries are encased in solid timber and well secured boxes.

Both generators and the main engine are equipped with 24v DC 50 amp alternators for battery charging. As well as this there is a 220v battery charger that is used when in port or as a backup charging system at sea.

The charging capabilities are sufficient as only navigation equipment, starting batteries, and bilge pumps, require 24v DC power. The 24v DC batteries are controlled by a main 24v DC switching panel located in the engine room (switching capabilities in the event that one bank was discharged).

There are two day fuel tanks, each with a capacity of 500 litres and located in wings either side of the engine room. They are set up with a manifold valve system to allow the genset and the main engine to run from either day tank. Tanks are fitted with inspection/cleaning hatches.

The fuel can be transferred using a 3-phase gear pump to day tanks, or between Fuel Oil tanks, through a series of gate valves. This manifold is located in the engine room port side. It is simple and failure proof.


To see images of the yacht Raja Laut go to photo gallery