I see from the mag that arrived today that a container ship crossing from Germany to Venezuela is saving 20% of fuel by flying a 1722sq ft kite-sail.
This is apparently computer controlled. This is probably just as well as even the Phillipino crew might think that somebody is kind of taking the pish, otherwise.
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Not at all ... Try googling "ms beluga" and the first 3 links are to the Daily Telegraph, BBC and Wikipedia. So whether you're a reactionary old fart, trendy pinko leftie or altogether 21st century person, you are catered for in that lot, are you not?
OK, so not an April fool (unless very elaborate indeed) but I still can't believe that 160 sq.m is enough to save 20% off the fuel bill of a 10,000 tonne ship unless they're flying it in the jet stream!