Hi,
As I see it things seem to be pointing in
one direction.
This is how I feel it works on bigger boats
like BD.
Rudders closer to the mast loose steering
effect. Shunting is getting more difficult.
Rare Bird's and the old BD set up seems the
minimum distance from the mast to steer well and sail
with acceptable rudder angle. Arttu's boat shunts
easily with rudders further apart(5.3m)
The old set up didn't allow us to sheet in and sail
away.
The leeboard we tried indicates that a central(ish)
leeway preventer improves steering and shunting.
All this seems to lead to the conclusion the best
solution is to have normal size rudders as far to the ends as possible
with a leeboard or 'luffboard' next to the mast. Rudders have to be kick up and
the front one lifted out of the water always. As they have to be near the ends I
would prefer in hull rudders. I am working on those, it seems
possible.
regards,
Rudolf
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