A new high-speed marine diesel engine was introduced a few days ago by Caterpillar Marine Power Systems. The model C175-16, generally thought to be an improved version of the engine launched last year, is claimed by the manufacturers to be the cleanest-burning engine of its size in the world.High-speed four-stroke trunk piston engines are widely specified for propelling small, generally specialised, commercial vessels, such as offshore vessels, tugs and workboat applications, which is exactly the market Caterpillar has in mind for the new engine, although this unit might well serve as a main and emergency genset on any size of ship.
High-speed Marine Diesel Engine CATERPILLAR C175-16: Photo credit Caterpillar Marine Power Systems
The 84.67 ltr displacement C175-16 engine, latest in a line of high performance engines designed to meet EPA Tier 3 and IMO Tier II emissions requirements, is rated at 2001/2168 bkW at 1600 rpm. With a bore of 175 mm (6.9 in) and a stroke o... [More]
The first high speed fleet support vessel to be directly owned and operated by U.S. Military Sealift Command (MSC) was christened last Saturday in the traditional manner and named USNS Spearhead at the Austal builder’s yard in Mobile, Alabama, according to MSC news release.
USNS Spearhead: Official US Government photgraph
The Navy evaluated the usefulness of commercial high-speed ferries for logistical and personnel deployment for some ten years with the chartered fast catamarans Westpac Express and HSV-Swift according to an NDIA article online ‘Commercial Ferries Paving Way for Joint High Speed Vessel’ before deciding to place orders with Austal USA for five Joint High Speed Vessels (JHSV’s) of this type (with an option for five more); a choice enthusiastically endorsed by people who had served aboard them on military and humanitarian missions.
An Austal High-speed Catamaran Ferry: Courtesy of Austal Inc. USA
Capabilites of the USNS Spearhea... [More]