AN ECONOMIC COMPARISON OF RUNNING COSTS: MEDIUM AND HIGH-SPEED ENGINES

For smaller ships a geared four-stroke engine is the only choice for the main propulsion plant, other alternatives being either too large or unacceptable from a practical or economic point of view. However, in the case of four-stroke engines there is a wide choice of makes and type available. Within a power range of up to about 1500 bhp there is a choice of either a traditional heavy-duty medium-speed Diesel engine, arranged for direct drive or with reduction gear, or a variety of geared high-speed four-stroke engines in single- or multi-engine arrangements. It can be said, however, that the greater operating costs of a high-speed engine are easily offset by the lower purchase price. Analyses of such costs for a medium-speed engine and a high-speed engine have been made and compared; the results are discussed under the following main headings <1> Running Costs, <2> Maintenance Costs, and <3> Purchase Price.

  • Supplemental Notes:
    • Marine Propulsion, 1982, p. 11 <Oct.> (2 pp., 2 tab., 1 phot.)
  • Publication Date: 1982

Language

  • English

Subject/Index Terms

  • Subject Areas: Marine Transportation;

Filing Info

  • Accession Number: 00684428
  • Record Type: Publication
  • Source Agency: British Maritime Technology
  • Files: TRIS
  • Created Date: Aug 14 1995 12:00AM