The podded propulsion system is the largest step forward as propulsion unit in the recent years. The concept is not yet fully developed for all market and power applications, and t... Read more
Is battery technology – and its perceived high costs – slowing the widespread adoption of next-generation hybrid electric propulsion inthe marine world? “Today, the price of batter... Read more
1894World’s first turbine vessel, the Turbinia, built in Newcastle, England.1903First diesel and electric ship, the Wandel, built in England.1906HMS Dreadnought, battlecruiser, bui... Read more
The concept of electric propulsion is not new, the idea originated more than 100 years ago. However, with the possibility to control electrical motors with variable speed in a larg... Read more
If the current lags the voltage by 90° as shown in a pure inductor—the instantaneous power shown by the heavy curve is positive in the first ½cycle and negative in the second ½ cyc... Read more
Electric power generation based on rotating prime movers and electric generators, is a mature technology, but there is continuously being evaluated alternatives to the traditional... Read more
What is ship Ballast? Heavy material, such as pig iron or water, stored in the bottom of the ship to keep her steady. Modem ships have ballast tanks built into them. When a ship ha... Read more
Isambard Kingdom BRUNEL (1806-1859) English engineer. Designed and built the Great Western, the Great Britain and, his greatest achievement, the Great Eastern. Sir Anthony DEANE (c... Read more
Once in a while you may read or hear of a ship “breaking her back” while laboring in a heavy sea, or through suffering structural damage in running aground, or perhaps in a collisi... Read more
While at anchor the vessel’s fire alarm sounded on one of the lower decks. The OOW sent the duty seaman down to investigate. The crew member found a deck-head fluorescent light rel... Read more
