Thunderball2.
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You mention that UL370 says 380 may be 20% to heavy, UL370 may well be correct, the information I hear is Airbus would like at least 20% weight reduction or make it 20% bigger with same weight.
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You must admit, she looks very heavy in all the pictures posted.
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I think the 380 is just a little ahead of its time, the Concorde was way ahead of its time, the 380 will be interesting over the next few years.
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Looks like the 787 will get his timing just about right.