
SUPERYACHT #7 Winter 2006
Article selected from our quarterly magazine dedicated to the largest
and most luxurious boats with information, interviews, technical
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Article by Angelo Colombo
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R.B. DERELI YACHTS MUMU
The sloop MuMu was designed by the famous naval architect Philippe
Briand who, in line with the philosophy he applied to several
other models signed by him, created a sailing boat that satisfies
her Owner's requirements who wanted a high performance boat but
also an elegant and comfortable yacht. Obviously, in order to meet
both demands it was necessary to have an adequate length at the
waterline as well as a powerful sail plan - supported by mast and
rigging, by the hull size and by materials capable of offering the
most favorable mechanical resistance to weight ratio.
Nevertheless, this is not enough to obtain a true Lady of the Sea:
a basic emotional component, expressed through what may be
appreciated by the senses independent of the technological
contents, is also needed. Last but not least, technology and the
way it is used in favor of performance must satisfy the
expectations of whoever, Owner or guest, wishes something more
from a superyacht.
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TECHNICAL DATA
LOA: 39.00 m
Beam: 8.80 m
Draft: 4.00 m
Displacement: 153,000 kg
Freshwater capacity: 7,191 l
Fuel capacity: 14,761 l.
For further information contact: Alliance Marine; 2608
North Ocean Boulevard; Pompano Beach, FL 33062-2955 USA; tel. +954
941 5000; fax +954 7824911; e-mail robert@ayacht.net; website www.ayacht.net.

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In the case of sailing yachts, in particular,
light and high-resistant materials help the designer in creating
elegant interiors, with finishing touches similar to those of an
apartment and decoration elements generally non-existent on racing
yachts. This is why the recent trend has been the production of
racers/cruisers, that is, of sailing boats capable of offering
cozy interiors like large cruisers yet with high performances like
the fastest racers. Philippe Briand, a true expert in this field,
chose composite materials for hull, deck and superstructures and
used construction techniques aiming at reducing weight at all
costs, keeping in mind that deck and superstructures are subject
to different strains than the hull. MuMu was built in Turkey, in
the R.B. Dereli Yachts yard specialized in the shipbuilding of
custom and semi-custom yachts of all sizes, in particular of
superyachts. Today, MuMu is one of the fastest sailing yachts of
this size crossing the oceans and, if we consider her original and
charming appeal, we realize that we are talking about a vessel
worthy of being considered one the most important modern sailing
boats. The sloop includes a staysail, to be fitted on the
babystay, a masthead jib and a full-batten mainsail.
Notwithstanding her imposing sail plan - the mast is 47.24 meters
high and the total sail area is 603.86 square meters - she was
designed to be maneuvered by a small crew. The standing rigging
includes four sets of swept spreaders, running backstays, and twin
standing backstays. MuMu was built in compliance with the American
Bureau of Shipping +A1 Sailing Yacht standards. As for the
emotional component mentioned earlier, layout and interiors were
styled by Eva Cadio. The designer, together with the Owner, chose
a modern style, with essential shapes and chromatic combinations
and used bright and dark tones to bring out and lighten up inner
spaces on the basis of the perceivable needs she wanted to
highlight. The designer's work resulted in airy and sober areas,
where light plays an essential role for perceiving shapes. She
used symmetrical lighting panels, spotlights to highlight some
decor elements and to increase depth of field and a diffused
lighting to soften the perception of the surroundings. In the
lower deck there are four cabins for the Owner and his guests. The
full-width master stateroom is aft and includes vanity, sofa,
desk, two bathrooms sharing the same shower stall and two large
hanging lockers; access is through the corridor that connects the
master stateroom to a guest double stateroom and a twin cabin,
both with en suite bathrooms. At the other end of the corridor
there is the amidships saloon. Here the extraordinary headroom and
lighting obtained by the trunk and its windows - not imposing on
the outside yet very spacious inside - is worthy of a mention.
Actually, there are two saloons. This one has a C-shaped sofa and
three coffee tables opposite the inner wheelhouse, which includes
a large chart table and the instrument control panel of all
onboard plants. The other one is forward, to starboard, with a
large plasma screen separating the living area from the dining
room opposite. Forward and to port, along the corridor leading to
the crew quarters, there is another double stateroom with en suite
bathroom. The bow area, except for this cabin, is to the exclusive
use of the crew and includes two twin cabins with Pullman beds and
a double cabin for the captain - all with en suite bathrooms -,
the crew dinette, the galley, service areas and storeroom. Even
the deck layout conveys through its shapes and technical solutions
the double vocation of MuMu: a relatively easy-to-handle racer and
a cruiser with open-air spaces essential for relaxation and
comfort. Aft, the transom can be mechanically opened so as to
become a sort of private beach with direct access from the
cockpit. Proceeding forward there are two open-air wheel stations
embedded in a structure which also supports two big electrical
winches aft, then there is the open-air saloon with two
comfortable C-shaped sofas, one facing the other. Forward of this
area a passage allows easy access amidships on deck. Then there is
the trunk, which in its aft and outside part includes two fore-
and-aft sofas. A mobile top and the boom cover this area up to the
two aft steering wheels. Forward of the mast a recess in the trunk
houses the tender, some safety equipment on its sides and a self-
inflatable. This equipment is stored and hidden in such a way as
to keep the deck tidy. As for performances, MuMu reaches 15-16
knots when sailing in a moderate breeze and 12 knots when
propelled by the 550-hp 3406E Diesel Caterpillar engine.
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