Timeline for Is there an aerofoil that gives reasonably good lift for both air flow directions: forward and backward?
Current License: CC BY-SA 4.0
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| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 11, 2019 at 7:52 | comment | added | amI | Or for fun, how not to do it (FliteTest): youtube.com/watch?v=Ika-qrX-vhQ | |
| Sep 10, 2019 at 22:52 | history | answered | quiet flyer | CC BY-SA 4.0 |