VSXA380X800
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Double Decker 747?

Tue Jul 20, 2004 8:59 am

When PanAm and Boeing set out to find a solution for a larger airliner to replace the smaller 707. When looked at a double Decker 747, they turned down the idea.
My question is
+If they went ahead with a Double Decker 747, What would have became of the A380?
4 decks 4 engines 4 long haul
 
carduelis
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RE: Double Decker 747?

Tue Jul 20, 2004 9:02 am

Perhaps you can clarify what you are trying to ask?


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boeingbus
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RE: Double Decker 747?

Tue Jul 20, 2004 9:07 am

The A380 is all pride for Airbus and Europe as a whole, as it's going to take over 10 years before they make a single penney...

Basically, if Boeing a had a full double decker 747, Airbus would be working on, if not for size it would be the technology (maybe the wings would flap..etc...) to TOP the 747. It's all for prestige and glory... maybe for a snipet in the Guiness Book of World Records.
Airbus or Boeing - it's all good to me!
 
VSXA380X800
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RE: Double Decker 747?

Tue Jul 20, 2004 9:09 am

In other words, If Beoing and PanAm did go with a double decker 747 , and later on Airbus came up with the A380, will the A380 have a hump like the 747 ?
4 decks 4 engines 4 long haul
 
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Starlionblue
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RE: Double Decker 747?

Tue Jul 20, 2004 9:29 am

The double decker 747 would most probably have been narrower than the current 747. At least that's what the studies showed at the time. So the A380 would still have been much bigger.

In any case it was thought that with the advent of SSTs the 747 was doomed to become a freighter by the 80s, which explains the width (containers) and the hump (flight deck out of the way of freight deck, and nose door option).

"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
VSXA380X800
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RE: Double Decker 747?

Tue Jul 20, 2004 11:51 am

I've heard two stories-

1+ The 747 was to a freighter
2+ It was to be a double Decker

Right now I'm believing a bit of both, mostly number 1. I have more facts on the freighter version than the double deck.



[Edited 2004-07-20 04:52:38]
4 decks 4 engines 4 long haul
 
L.1011
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RE: Double Decker 747?

Tue Jul 20, 2004 12:09 pm

At the time of the 747 development program, the 2707 (American SST) was alive and well. Boeing and Juan Trippe at Pan Am both believed the 2707 and its family would take over from subsonic planes completely. The 747 has the "bulge" because the cockpit was located there to allow nose loading, because Boeing and Pan Am figured the planes would all be flying cargo in 10 years. Looking at concept cutaways, Trippe noticed the empty space behind the cockpit in the fairing. He asked what is was for, the response was "a crew rest or something." Trippe decided he wanted a First Class lounge, and the double-decker was born. The bulge not only allows the 747 to be one of the most successful freighters around, but improves speed and fuel economy, and maintains the world-renowned profile. After the intros of both the 747 and 777, passengers specifically requested these aircraft when booking. The VC10 also had such amazing passenger reviews that it was specifically requested over BOAC's 707 and Comet 4 fleet. The A380 will have the same publicity as the 747. Whether the reviews will remain so impressive, as they were with all 3 prior planes, remains to be seen. Hats off to the 747. Did you also know that the 747 cross-section was determined by drawing circles around two LD3 containers? The 747 was not intended to do what it has done. It was an amazing coincidence. In the end, the 747 "frieghter" has sold nearly 1000 planes, become a global icon, been a massive moneymaker for Boeing, and made Boeing a household name throughout the world. The 2707 is now represented by a rotting hulk in a junkyard in Florida.
 
Ken777
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RE: Double Decker 747?

Tue Jul 20, 2004 12:10 pm

Most bits I have seen on the 747's history mentions the freighter potential. It's interesting that today the freighter side seems to have more open orders than pax versions.

It is also interesting to look how the 747 has evolved from its first rollout to the -400. How many years is it going to take for the 7E7 and 380 to mature to their full potential?

As for the double decker part on the 747 - it is the perfect upper deck for those lucky enough to get to ride up there.
 
spacecadet
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RE: Double Decker 747?

Tue Jul 20, 2004 1:15 pm

I've heard two stories-

1+ The 747 was to a freighter
2+ It was to be a double Decker

Right now I'm believing a bit of both, mostly number 1. I have more facts on the freighter version than the double deck.


Apparently you didn't see the TV show on the Discovery Channel the other night - two mockups of the early double-decker designs were shown and talked about. I don't recall the reasons they went to the hump design (I still have the show Tivo'd), but I think it was because they wanted width rather than height for freight. The 747 was supposed to be designed for both pax and freight from the beginning.

Anyway, I have seen the mockups, as I'm sure have other people here, so it definitely was a double-decker originally. It did look shorter and narrower as a double-decker than the final design, though - basically like a very tall 707.
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