The 42-foot, 50-ton pushboat Walter D. Johnson, newly built by Keith A. Record of Portland, Ore., is undertaking a demanding job on the Columbia River—that of spotting bridge construction barges in tight quarters and rapid river currents. For this tough assignment, vessel owner Johnson Bros.
Latest Developments In Fuel-Efficient Engines High fuel costs and lower grades of marine fuel continue to dominate the thinking of diesel engine manufacturers as well as vessel owners and designers. Engine designs reflect these concerns as
A Preview Of The Latest Offerings Designed To Help Operators Reduce Costs As in other areas, the computer is revolutionizing the maritime industry. Numerous new packages of hardware and software have become available for marine applications during the past year.
The two major factors influencing diesel engine design and development continue to be the soaring fuel costs and deterioration in the quality of marine fuels. While most diesel designers are working to modify existing models to achieve lower specific fuel consumption,
Selecting the appropriate propulsion or auxiliary power system for a vessel is one of the most difficult and important tasks facing the naval architect, marine engineer and vessel owner. With so many marine diesel engines on the market—low-speed,
Whether or not the current decline in oil prices is a temporary condition, most manufacturers of marine diesel engines are still concentrating on further improvements in specific fuel consumption, as well as on the ability to burn heavier grades of fuel.
The Detroit Diesel Allison Division of General Motors, Detroit, Mich., has published a full-color brochure describing their complete line of marine diesel engines for propulsion and auxiliary power. The brochure clearly describes the broad line