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Clem Nichols
Joined: 10 Jan 2006
Posts: 88
Location: Munfordville, Ky
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 Posted: Wed Jul 26, 2006 3:59 am Post subject: THE BOEING 797: American Answer to the Airbus A380 |
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Michel
Joined: 10 Jan 2006
Posts: 966
Location: Norway
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| Posted: Wed Jul 26, 2006 5:42 am Post subject: THE BOEING 797: American Answer to the Airbus A380 |
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On Jul 26, 2006, at 1:52 PM, Clem Nichols wrote:
| Quote: | > the most impor-
> tant being the lift to drag ratio which is ex-
> pected to increase by an amazing 50%,
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Very interesting, Clem.
I was once interested in WIG (Wing In Ground) aircraft. You know, those
weird birds that fly only a few feet over the water. On their web site
/ forum, these guys have a diagram showing the lift to drag ratio of
any kind of transport, from donkey to 747.
It turns out that any form for transport can be calculated as the
weight transported, against the energy needed. Weight is overcome by
lift, and drag by power. Thus the lift to drag ratio tells how
economical a mean of transport can be. Time is not considered as a
factor in this diagram. It shows that if a 747 at cruise speed has a
better lift to drag ratio than say, a tanker ship, the one really
beating everyone is the WIG, using the ground effect to float on a
"cushion."
The problem with the WIG is that ICAO says it's no plane, and IMO
(International Maritime Organisation) says it's no ship. The only
countries that have tried commercial WIGs are China and former Soviet.
Those guys didn't bother to see how it would disturb, say fishermen,
etc. they just did it. But in our waterways, it would be a problem to
see, e.g. the Russian Orlyonok, flying at 210 knots ... two meters over
the mast of my sailboat! .... heeeelp! 
The bottom line: Yes, if Boeing can achieve that, it will be a fierce
competitor to Airbus.
Cheers,
Michel
do not archive
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donpearsall
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| Posted: Wed Jul 26, 2006 6:27 am Post subject: THE BOEING 797: American Answer to the Airbus A380 |
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Pretty cool (but artists conception) pics, and that would be a radical
plane. I don't think Boeing is working on anything like this seriously. I
live here right next to Boeing and have never heard of a project like this.
Anyone know something different?
Don Pearsall
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wingnut
Joined: 11 Jan 2006
Posts: 356
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| Posted: Wed Jul 26, 2006 7:40 am Post subject: Re: THE BOEING 797: American Answer to the Airbus A380 |
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A quick google search turned up nothing but urban legend.
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