[mephisto]

Integro la precedente con dei link.
http://whyfiles.org/shorties/166bird_wing/
http://www2.unil.ch/biomapper/opengl/BirdFlight.html
http://www.ornithopter.org/birdflight/
http://www.aviary.org/curric/wings.htm
http://www.nhm.org/birds/guide/pg018.html
http://www.nurseminerva.co.uk/adapt/flap1.htm
http://www.biology.leeds.ac.uk/staff.../modelling.htm.
http://www-viz.tamu.edu/students/jsm...ing/riggin.htm ********bellissimo********
http://www.chez.com/truefly/Images/ctrflya2.htm

Ciao