Hi Dennis
Your idea looks cool, certainly will work.
My thoughts (rightly or wrongly), that having the board inside the hull provides structural benefits (better distrubution of loads), and also there is no external structure that can cause drag should there be a high seastate
--- In harryproa@yahoogroups.com.au, "Dennis" wrote:
>
> http://youtu.be/6LvxzIp9XHI
> here is my concept example of a fully rotating kickup drum cassette rudder
> never mind the hull it's on, that one end wasn't finished, it's not a tacking proa.
> I have other videos of my proa model on my youtube channel.
>
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