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After-fins |
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Why have we installed after-fins on the boat?
Up until now Adrien has shown a strong tendency to "head-up"
when travelling fast in a cross-wind. ("heading-up"
means that the boat has a tendency to turn towards the direction
of the wind).
To prevent her changing course, I was forced to use a lot of
helm, which is wearing on the helmsman and the automatic pilots.
To allow for this problem, I had to limit the speed by reducing
the sail area so that the automatic pilot could continue to
steer. This isn't very logical in a racing boat.
From now on, I will lower the leeward fin. It is angled at 6°
relative to the boat's axis. The more Adrien "heads-up",
the more I will lower the fin. This should greatly ease the
strain on the main rudder which will continue to steer the boat
but more easily than before.
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Technical specifications |
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| Length |
25,70m |
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| Width |
5,40 m |
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| Draft |
4,60 m |
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| Weight at the departure |
30 t |
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| Ballast |
11,8 t |
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| Keel appendage |
2.5 t + gas-oil 0.3 t |
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| Main sail |
165 m2 |
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| Genoa |
170 m2 |
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| Solent |
85 m2 |
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| Staysail |
30 m2 |
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| Light spinnaker |
420 m2 |
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| Heavy spinnaker |
310 m2 |
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Boat designers |
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Gilles VATON (BGV)
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| Bureau d’etude Franck
de RIVOYRE |
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Interveners |
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| Aluminium Hull |
PECHINEY
5083 |
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| Plasma arc cut by |
ALMET (Nantes) |
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| Built at |
Chantiers
GAMELIN (La Rochelle) |
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| Preparation |
POLYPAT
Vendée (Port Bourgenay) |
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| Mast, Boom, carbon spinnaker
pole |
Espace COMPOSITE |
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| Steering gear |
JP3 |
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| Lead ballast |
Fonderie
VRIGNAUD |
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| Keel appendage |
Acier SOLLAC |
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| Manufactured by |
ARNO (Dunkerque) |
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| Riggings |
ROD BSI
et NAVTEC EPI |
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| Ropes |
COUSIN |
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| Marlinespike |
Blew STOUB |
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| Sails |
INCIDENCES
et TAROT (spi lourd) |
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| Electronics |
SIMRAD |
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| Pilots |
SIMRAD (ex
Robertson) |
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| Security |
PLASTIMO |
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| Batteries |
OLDHAM (700
AH) |
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| Engines |
VOLVO PENTA
( 2 x 50 CV saildrive)
avec 2 x 2 alternateurs 70 AH |
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| Communication |
1 standard
B
1 mini M
2 standards C
1 IRRIDIUM |
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| Energy |
3 wind generators
+ 9 solar cells |
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| Insurance |
NEMARF /
assurermonbateau.com |
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| Bank |
ACC LOCAVIA
CITY BANK |
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| Routing |
Pierre LASNIER
(Météomer) |
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| Offshore clothing |
GUY COTTEN |
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| Sportswear |
ARMOR LUX |
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| Shoes, Boots |
ELTY-SERMI |
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| Home Harbour |
PORT OLONA
( Les Sables d'Olonne) |
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| Paints |
BOERO |
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| Blocks |
Nautos |
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| Tracks and cars |
ANTAL |
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| Winches |
Andersen |
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| Carbon furlers |
FACNOR |
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| Accommodation |
CP CHARLES |
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| Glue |
SIKAFLEX |
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| Insulation |
LEROY MERLIN |
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| Heating |
SANI Chauffage |
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| Computers |
IBM |
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| Software |
MAXSEA +
NOCTURNE |
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Ship assistants |
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| Technical |
Giovanni
BRUNO et Emeric PERAUD |
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| Electricity |
Yann LE
LIVEC |
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| Plumbing |
Jean BILLIET |
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| Electronics |
Jean Marc
BollMann |
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| And all
the volunteers who did not spare their time !!! |
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