Model bird tests airplanes

MODEL BIRD TESTS AIRPLANES

The birds fly and the airplanes fly, too - but they shouldn't fly together. A collision with airplane the bird usually doesn't survive, but either the airplane mustn't come out without problems of that undesirable meeting of living and inanimate flying objects. Each year become many cases of impact the airplane to flying bird (or on the contrary) at surrounding of air-ports. These meetings can damage the airplane in earnest even can crash. Experts estimated, that in the years 1999 till 2000 the meeting of birds with airplanes caused loss to Pan Am's in height total about one milliard dollars. These harms include costs for repair the cracked airplanes and loss entry owing to delay flights or its cancellation. International air-ports have elaborate system of protection the air-port's area before undesirable birds, but this protection can be never wholly perfect. Therefore constructors of transport-airplanes reckon already by their develop that a bird or more birds will collide to airplane in some phase of flight. The effects of impact the bird to some of important parts of airplane verify during tests. Producer have to prove that the new airplane is able to resist without relevant damage to impact of bird with certain weight. For that tests usualy use dead chicken, geese or sea-gulls, whose bodies throw against airplane by assistance of special "cannons". Because against using dead animals are protests began during these tests already use "artificial birds", too. Usual are made of gelatine and have shape of simple roll, which present trunk of the bird. Results of tests with dead and artificial bird shows good agreement, but in some situations differ all the same.
Engineers from British company BAE Systems decided develop maquette, which imitate real bird truly. In substance is it exact replication of flying Canadian goose, has exact size distribution of weight and shape. Ever more a computer simulation is used for finding effects of meeting big birds with air planes out.
For more informations you should search for bird aircraft strike hazard and aircraft bird strikes.