For development of a bird type airplane, your support is necessary.
I will invite you to the special site of the distribution of drawings and development process if you can assist.
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https://jisakukoubou.com/downloads/o...

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I tried to make a control plane of a flapping plane referring to Festo's bird robot "SmartBird".
The animation of the second machine which improved the flapping system is ↓
   • 自作羽ばたき機の開発 試作弐号機 bird type ornithopter  

The flight time of the first unit is 5 to 6 minutes with 2 cells of 200 mAh lipo.
I was shooting with a handsfree cam with a wideangle lens, but it was a shame that the subject was a small, hardtosee video, but I did not want to edit only the good part, so I uploaded it as it was.

http://jisakukoubou.com/?p=676