Wartsila Built-up Propellers Built-up propellers are an attractive alternative for monobloc fixed pitch propellers. Underwater propeller blade installation and replacement allows uninterrupted vessel service (no dry-docking). Reduced operating costs thanks to the highly efficient hydrodynamically optimised propeller blades. Streamlined hub design with minimised hub diameter/propeller diameter ratio. Easy transport and handling. Built-up propellers can be […]
Wartsila Fixed Pitch Propeller Wärtsilä fixed pitch propellers are manufactured by the Wärtsilä CME Zhenjiang Propeller Co., Ltd joint venture company. At this facility fixed pitch propellers with diameters from 1 to 12 meters and up to 120 tons of weight can be produced. Since the joint venture company was established in 2004, more than […]
Wartsila Controllable Pitch Propeller Systems Wärtsilä Controllable Pitch (WCP) propeller systems deliver excellent performance and efficiency, while minimizing noise and vibration levels. A customised propulsion system tailored according to customer requirements. A reliable propulsion solution for dynamic positioning (DP) and ice class applications. Available with a pollution free stern tube arrangement. The Wärtsilä OPTI Design […]
Perancangan Controllable Pitch Propeller pada Kapal Offshore Patroli Vessel 80 (OPV80) Alfan Dicky Firmansyah, Agoes Santoso, dan Edy Djatmiko Jurusan Teknik Sistem Perkapalan, Fakultas Teknologi Kelautan, Institut Teknologi Sepuluh Nopember (ITS) Jl. Arief Rahman Hakim, Surabaya 60111 E-mail : agoes@its.ac.id Abstrak—Perkembangan teknologi maritim di Indonesia mulai menemui titik kemajuan, tak terkecuali untuk bidang transportasi laut […]
Tugboat design Tugboats are quite strong for their size. Early tugboats had steam engines; today diesel engines are used. Tugboat engines typically produce 750 to 3000 horsepower (500 to 2000 kW), but larger boats (used in deep waters) can have power ratings up to 25 000 hp (20 000 kW) and usually have an extreme […]
Tanker operations during laden voyage The daily operation of oil tankers involved many hazards. There are many check items that should be complied with to ensure a safe working atmosphere. The Chief Officer shall manage cargo oil and carry out related operations. Water And Cargo Oil Measurement As following the Charterer’s instructions, measure water contained […]
Measures for pump room inspections and gas detection equipments A pump room contains the largest concentration of cargo pipelines of any space within the ship and leakage of a volatile product from any part of this system could lead to the rapid generation of a flammable or toxic atmosphere. Pumprooms Ventilation Correct use and set […]
Ship procedures for treatment waste oil and oily bilges General Instructions for ships : In principle, the disposal of waste oil, bilge and sludge generated in machinery spaces shall be completed onboard (by incineration or overboard discharge under 15 ppm), however, if such onboard disposal is improper or impossible, they shall be taken ashore for […]
Reports to government and owners or operators When a ship is involved in an accident which results in the discharge or probable discharge of dangerous goods, harmful substances and/or marine pollutants resulting from damage to the ship or its equipment or for the purpose of securing the safety of a ship or saving life at […]
Fuel oil handling safety guideline for cargo ships The Chief Engineer shall endeavor to prevent troubles caused by abnormal qualities, excess or shortage in volume, difference in specifications, and the like of FO, paying great attention to the following items. Discussion on Bunkering volume (in metric ton) and type of Fuel (IFO 180, 280,380,Bunker C,DO) […]