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First deliveries this year

For 37 years, Boeing's 747 "Jumbo Jet" was the largest commercial passenger aircraft in the world. The iconic aircraft was the bread and butter for the company, but sales have dropped as airlines have looked to the much more advanced and fuel efficient Airbus A380.

The Airbus A380 has not been without its problems though, some of which forced a delay in the development of the much awaited A380 freighter variant. Half of the world's air freight is carried on freighter versions of the 747, so Boeing saw a huge market opportunity.

The design of the previous generation, the 747-400, goes back to 1985. The new 747-800 series is much more advanced, and uses four of General Electric's GEnx-2B engines using technology developed for the 787 Dreamliner. The new aircraft will be larger and quieter, as well as more fuel-efficient and environmentally friendly.

Lower operating costs are the main reason why many current 747 operators are looking to purchase new planes. There are currently 76 orders for the 747-8F freighter model and 32 orders for the 747-8I Intercontinental passenger model.

Boeing completed the first test flight of a 747-8F yesterday from Paine Field in Everett, Washington. There are more than 1,600 flight hours in the test program scheduled.

"It was a real privilege to be at the controls of this great airplane on its first flight, representing the thousands of folks who made today possible," said 747 Chief Pilot Mark Feuerstein. "The airplane performed as expected and handled just like a 747-400."

A 747-8I could fly in the future as Air Force One, especially since Airbus has decided not to put in a bid. The current fleet uses two highly modified 747-200B aircraft delivered in 1990. They are scheduled to be replaced by 2017.

First deliveries of the 747-800 series are expected to begin by the end of this year.

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RE: Huge Move
By stromgald30 on 2/11/2010 4:33:29 PM , Rating: 2
You're talking absolutes. Absolutes doesn't mean much for business. They talk in terms of efficiency.

If you fill a 747-400F full (volume-wise) with the standard weight per volume of air cargo, the plane would be able to take off. The A380, if filled to the brim with the same cargo density as the 747-8, it wouldn't be able to take off.

Your numbers are also a bit off. The capacity of the A380 is 152,000 kg with a volume of 1,135 cubic meters. The 747-8 is 140,000kg with a volume of 854 cubic meters.

So the A380 has 32% more volume than the 747, but only 8.5% more payload weight capacity. The cargo density goes from 133 kg/m^3 to 164 kg/m^3 (19% decrease vs. the 747-8).

For the A380 you would have to fly lighter cargo or leave space left over inside the aircraft. That extra space just means you're lugging around more aircraft for the same amount of cargo as you would in a 747-8.

I'm not saying the cargo doors / hinged nose would be an "easy" engineering change, but it is certainly do-able. The reason Airbus didn't have enough customers for the A380-800F wasn't because of the hinged door and such. Customers would've paid the up-front design/development costs if the aircraft fit their uses better. However, just by doing the simple math above shows that it just isn't as economical as the 747-8.


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