Saturday, December 18, 2010
Friday, December 17, 2010
Sunday, December 12, 2010
Here's a video of the very first flight of the new Agusta Westland Wildcat Lynx AW159.
Tuesday, December 7, 2010
Monday, December 6, 2010
Friday, December 3, 2010
Thursday, December 2, 2010
Last week an improved Boeing Next-Generation 737-800 successfully completed its first test flight. Aerodynamic and engine changes included in the package will reduce fuel consumption by 2 percent. Boeing is phasing the changes into production mid-2011 through early 2012.
One percent of the savings comes from reducing resistance as air flows around the airplane. The upper and lower anti-collision lights change from round to a more aerodynamic teardrop shape. Wheel-well fairings are re-contoured to smooth the air flow near the main landing gear. A redesign of the environmental control system, exhaust vent and streamlined wing slat and spoiler trailing edges round out the aerodynamic changes.
After investigation of the onboard electrical fire on ZA002, earlier this month, Boeing now is in need to make changes to its 787 design. Boeing is developing design changes to power distribution panels on the 787 and updates to the systems software that manages and protects power distribution on the airplane.
Engineers have determined that the fault began as either a short circuit or an electrical arc in the P100 power distribution panel, most likely caused by the presence of foreign debris. The design changes will improve the protection within the panel. Software changes also will be implemented to further improve fault protection.
The P100 panel is one of five major power distribution panels on the 787. It receives power from the left engine and distributes it to an array of systems.
A revised 787 program schedule is expected in a few weeks.