How to Make an Ornithopter (Rubber band type)

How to make an ornithopter, a rubber band type flying machine that flies by flapping its wings.

This video was made possible in part by these Patreon supporters:
Jonathan Rieke
James Padden
Juliusz Wojtyga

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Step 0. Introduction 0:00
Step 1. Making the fuselage 0:22
Step 2. The two tubes for the wings to pivot on 0:47
Step 3. Making the tube for the crank and front rubberband hook 1:04
Step 4. Strengthening the front of the fuselage with cotton thread and glue 1:35
Step 5. Making the tail frame 1:43
Step 6. Making the rear motor hook 2:37
Step 7. Attaching the tail and rear motor hook 2:53
Step 8. Making the wing spars 3:03
Step 9. Making the crank and front motor hook 3:41
Step 10. Smoothing the ends of the hooks 4:36
Step 11. Making the connecting rods 4:42
Step 12. Making stoppers 4:55
Step 13. Attaching the wing spars and connecting rods 5:04
Step 14. Different types of tail and wing coverings 5:37
Step 15. Removing the folds in the tissue 5:51
Step 16. Marking and cutting the wing covering 5:59
Step 17. Marking and cutting the tail covering 6:28
Step 18. Attaching the tail and wing coverings 6:30
Step 19. Adding grease/lubrication 6:58
Step 20. Adjusting the tail angle 7:08
Step 21. Using office/household rubberbands 7:14
Step 22. Using special rubber (1/8" tan super sport rubber) 7:26
Step 23. Lubricating the rubber 7:34
Step 24. Winding and attaching the rubber 7:39
Step 25. How to fly it and adjust the tail 8:08
Step 26. Have fun! 8:22

On http://www.ornithopter.org/software.shtml you can find a software tool called FlapDesign for designing the crank, connecting rods and wing spars that helps a lot if you're going to design your own.

See also:

Ornithopter - Rubber Band Wing Flapping Flying Machine
https://www.youtube.com/watch?v=ZvzpsRWl12s&list=PLFsZmHTZL-zn3jrI0X0e0aRijWlyvfg8h

How Ion Propulsion, Lifters and Ionocrafts Work
https://www.youtube.com/watch?v=01F8V5IhB5k&list=PLFsZmHTZL-znXMyhU5jQvKsJB4zgrq3Jo

Hand-Cranked Laser - TEA Laser Powered by Wimshurst Machine
https://www.youtube.com/watch?v=9huUsYDJZrM&list=PLFsZmHTZL-zmVo7Csiex_9co1uzWg9LTI

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Thanks to the Make613 gang at Makerspace North for all their support and in particular to Darcy (http://inventorartist.com) for his help with the rubber bands.

A Darker Heart - music by audionautix.com

Видео How to Make an Ornithopter (Rubber band type) канала RimstarOrg