Following his article More than Froth and Bubbles in November's Naval Architect Magazine, Richard Halfhide chose to focus his Editorial Comment on the research behind his article and what he had taken away from his findings: '...I chanced upon a page on Wartsila's website detailing some of the other air lubrication devices currently on the market.  It was sobering warning that a number of the technologies developed so far had actually proven to achieve the very opposite of the...

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