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SVN Solovelanet Global
SVN - What problems are you referring to?
U.F. - Well, for example, the two blades must conver-
ge. If this is not done appropriately, the rudder
becomes stiff and the steering unpleasant. Precisely
adjusting convergence is not easy and above all, it
is not possible to establish precise protocols that
would ensure the same results, even on the same
model. This means that the proper convergence
must be found for each boat individually, and this
greatly increases the risk of making a mistake. In
addition, double blades cause the rudder to be less
sensitive.
SVN - Does the double blade also affect the boat's
manoeuvrability?
U.F. - Yes, sure. With the double blade, the curve
radius is much greater, and the boat is less handy,
especially when manoeuvring. Specifically, you
cannot benefit from the effect of the propeller on
the rudder blade while mooring the boat stern to
, because the rudder is no longer in front of the
propeller.
On top, the
new Dufour 530
designed by
Felci, featuring
a single rudder
blade, like the
Dehler 46 desi-
gned by Vrolijk
alongside it
Dufour 460
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