G'day,
Cassettes are a possible solution, but they don't work well with round hulls due to turbulence when they turn. They are also expensive (everything needs to be machined) and very difficult to keep from fouling if they are submerged. Access to lift them on the ends of the hull is very difficult. They, like any in hull rudder or daggerboard are also very vulnerable to collision or grounding damage.
regards,
rob
On Thu, Oct 15, 2009 at 1:26 AM, Michael Gehl <mike@vail.net> wrote:
Maybe I missed something along the way during this discussion of
rudder/foil positioning, but what would be the problem (besides lack
of automatic kick-up) with cassette-mounted rudders *in* the leeward
hull?
I'm thinking of giant bearings surrounding a cylinder in which the
rudder slot resides; that way the rudder could be retractable for thin
water.
Or how about open cassettes at the *ends* of the leeward hull?
Mike> ------------
On Oct 14, 2009, at 6:46 AM, cateran1949 wrote:
> The worst bit of trouble I had with steering a little tri I had was
> when the rock pick happened to untie itself from the net. I spent
> about half an hour trying to get around a small headland and was
> assuming current problems so started the outboard which promptly
> wrapped itself around the anchor rope so i discovered the problem. I
> am assuming all sorts of possible problems like this were eliminated
> but just in case.....
>
>
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