LYCOS RETRIEVER 
Boeing: Airplanes
built 629 days ago
The Boeing 747 is the largest airliner in commercial service. The latest model, the 747-400, is 231 feet 10 inches long (70.66 meters). The airplane itself weighs about 400,00 pounds (181,440 kilo's), and fully loaded it weighs about 870,000 pounds (394,630 kilo's). www.boeing.com
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To protect the Superfortress, Boeing designed the most sophisticated remote-controlled, defensive weapons system yet fitted to a military airplane. Engineers placed five gun turrets on the fuselage: a turret above and behind the cockpit that housed two .50 caliber machine guns (four guns in later versions), and another turret aft near the vertical tail equipped with two machine guns; plus two more turrets beneath the fuselage, each equipped with two .50 caliber guns. One of these turrets fired from behind the nose gear and the other hung further back near the tail. Another two .50 caliber machine guns and a 20-mm cannon (in early versions of the B-29) were fitted in the tail beneath the rudder. The really novel innovation was in the sighting system. Gunners operated these turrets by remote control.
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Some 20 years after its introduction, the Boeing 707 had become a long-range convertible transport that could carry passengers and significant cargo in single runs. The U.S. Air Force utilizes 707 variants as VIP transports. See more classic airplane pictures.
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[O]n Monday, Scott Carson, CEO of Boeing Commercial Airplanes, laid to rest speculation that final assembly is going badly. He said the fuselage "gap" issue was not a big deal and the reason for the misalignment was understood and had been anticipated.
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Over the next several weeks, Boeing will be working with its customers and suppliers to assess the specific impacts of the schedule change on the 787's flight test program and entry into service. This effort will include an assessment of supplier progress in meeting their commitments to deliver more complete assemblies on subsequent airplanes.
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Boeing intends to complete a continuous, one-bay moving assembly line for the 777, which will include systems installation, final body join and final assembly for the airplane, sometime in 2008. This will be the most extensive moving production line used to build a commercial airplane.
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