Ornitopter: Forskelle mellem versioner

*[http://www.ornithopter.de/english/index_en.htm How Ornithopters Fly Development, theory and practice of the autor's large ornithopter models. Horst Räbiger, Nuremberg, Germany, 2004]

*[http://www.ornito.zp.ua/eng/ The new technologies - the flapping flight! Panchenko Nicolay, an engineer. The ornithopter's theory.]

*[http://www.kelvin.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=K&Product_Code=281858 Ornithopter Remote-Control Airplane]

*[http://explore4fun.com/timmybirdlarge.html Flying Bird - Ornithopter]