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Air Asia Indonesia Lost Contact from Surabaya to Singapore
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13th Jan 2015, 08:24
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Scuffers
Join Date: Aug 2008
Location: England
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you don't need much of a lift-bag to float a surprisingly heavy object.
you only have to displace the same weight of water, and at 1Kg's/Litre a 20l bag will 'lift' 20Kg's (think something the same volume as a jerry can)
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