I believe as foils get faster, we need more rake. For example, professional windsurf racers use 3.5 degrees rake and they go 35-40 knots.
![[English Subtitles] Push Tack is the easiest tack in wing foiling! Easier than a Jibe? Explained!](https://i.ytimg.com/vi/jv022LTizmQ/mqdefault.jpg)
