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The Ornithopter Society, started by Patrick Deshaye in 1984, launched the modern resurgence of flapping wing aircraft. Ornithopter Society publications, including the Ornithopter Design Manual, Flapping Wings newsletter, and online content, provide the ultimate resource for those seeking to build ornithopters or those interested in the history and culture of this unique phenomenon.

If you are finding these resources helpful, please consider making a donation to support our work.

Ornithopter Design Manual
Download PDF

Flapping Wings newsletter (1984-2002)
Download Zip (large file)

Freebird Plans
Download PDF

Teachers' Guide
Download PDF

More plans and history docs are available on our desktop site.

Contact Information

Contact the Ornithopter Society if you have any questions about ornithopters, or if you have a project you would like to share.

The Ornithopter Society
10270 E Taron Dr #144
Elk Grove CA 95757 USA

Telephone (650) 430-7821

President, Nathan Chronister -

Contest Director, Patrick Deshaye -