Air-Lubricated Ships Blow Bubbles out the Bottom



To reduce drag on the hull, Mitsubishi Heavy Industries' new design blows bubbles from holes positioned on the bottom of the ship. This change reduces fuel expenditure, and therefore CO2 emissions and cost. The agricultural conglomerate Archer Daniels Midland has ordered three such ships, which should be finished in 2014.

Link -via DVICE| Image: Mitsubishi Heavy Industries

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There was a speed boat designed once with the same concept. I'd appreciate anyone that can find it, if memory serves it used a flat bottom with vents cut to direct air beneath it at speed.
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