level 1
f22 raptor战机情报,包括所有部件的说明,发动机,radar得结构图,这些卖给国家,不知能给几个钱?
2006年07月21日 08点07分
1
level 1
The F-22 fuselage is built in 4 major parts, which are manufactured by different companies. This image shows who is doing what.-Lockheed Martin in Marietta takes care of constructing the Forward fuselage, the fins, flaps, ailerons and front-end flaps and for mating the three major fuselage components-Boeing takes care of building the Aft fuselage, main wings, power supplies, auxiliary power units, auxiliary power generation systems, airframe-mounted accessory drives and the fire-protection system.Boeing also takes care of the aircraft's environmental control system and fuel, electrical, hydraulic and engine subsystems.A completed aft fuselage weighs 5,000 pounds and measures 19 feet long by 12 feet wide. The aft fuselage is 67 percent titanium, 22 percent aluminum and 11 percent composite by weight. -Pratt & Whitney delivers the 2 P-119 jet engines that power the F-22. - Outer Surface Components: 39% Titanium 24% Composite 16% Aluminum 01% Thermo-plastic
2006年08月03日 02点08分
4