Duck! It's A Low-Flying Gigaplane

from the but-can-you-fish-from-it? dept

It seems that Boeing is working on a project to build the world’s largest plane with a wing span of almost 600 feet. That’s not the most interesting part, though. The plane is being designed to fly over water at a constant altitude of 20 feet. Not 20,000, but 20. Two-zero. Apparently, it will make use of the “ground effect” that is caused by a low flying plane creating pressure which helps to push the plane, decreasing the drag, and giving it much better mileage.

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Comments on “Duck! It's A Low-Flying Gigaplane”

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2Lazy2Register says:

Re: Are they on crack or what?

A 600 foot wingspan would give good ground effect much higher than 20 feet, but at decreased efficiency. Also, I would think they could use a predictive “ground following” radar ala the F-111 to avoid whacking into a good sized wave.

Found this on the web:
As a rule of thumb, Ground Effect is accepted as being up to 1 1/2 times wing span, expressed as height above surface. However, at heights greater than half the chord length the craft tends to be less efficient.

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