Have you guys seen the Utube video of Tom Hunt's Opterra with wing tip drag rudders?
It's worth the time. He flies it fpv too, which is kind of visual proof of the flight characteristics of the wing and drag rudders that he also discusses.
The link:
It's worth the time. He flies it fpv too, which is kind of visual proof of the flight characteristics of the wing and drag rudders that he also discusses.
The link:
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