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Don't you think that there would be center of gravity problems if freight is fully loaded on one side and there are no passengers on the other?
The wings would be awfully heavily loaded. This configuration has two 747's using just a little more than one set of wings. Wouldn't you have to take up lots of cargo space with fuel tanks. If you really needed the capacity of two 747's woulnd't it be better just to have two 747's? Only a handful of routes in the world require two or more 747's to take off within minutes of each other. How would you get the airbridge to the port side of the starboard fuselage? Wouldn't the plane's wingspan be too wide to park the plane in an 80 meter by 80 meter space? With the engines spaced so wide apart, wouldn't it be restricted to a small list of airports with taxiways and runways widended and separated further apart for the A380?
If Boeing were really going to announce this, don't you think they'd use their current Dreamliner livery rather than their 1988 house livery for testing the 747-400? What king of fools does Areo-News Network think we are?
April fool?
Other aircraft, beside the P-82, include this guy: