For certification purposes, Boeing 777 made this test to show that it can stop safely at maximum thrust, by the end of the runway, taxi for 5 minutes (the time needed for the firetrucks to reach the plane) and not catch fire from the great heat produced from the disk brakes. Very educative, enjoy.
Showing posts with label test. Show all posts
Showing posts with label test. Show all posts
Friday, October 26, 2007
Thursday, October 25, 2007
Boeing landing cross winds tests
Boeing planes test phase landing in severe cross winds. Simply unbelievable....Landing in severe cross winds Boeing 747 737 777 767. This is filmed in Brazil due to the very high cross winds present in the area. These are part of the mandatory certification tests with the Boeing test pilots.
Airbus A380 crosswind landing test
Video of an Airbus A380 crosswind landing certification tests in Keflavik with 40 to 50 knot crosswinds. Technique is to fly crabbed down to flare height then "kick" the rudder to align the nose. Some crab at touchdown is acceptable and will be cancelled as the main gear also align the bird with the runway. Sounds easy dosn't it? Notice the flight control laws only allow the lower rudder until the aircraft is on the ground, then both upper and lower rudders are controlled by the autopilot during AutoLand operations or by the rudder pedals. This logic helps prevent unwanted roll from the upper rudder due to its placement being so far away from the longitudinal axis of the aircraft. The video is from an Icelandic TV station.
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