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ARCHAMBAULT SURPRISE FIN KEEL

Surprise Fin keel is a One design sailboat built by Archambault\xa0&\xa0BG Race and designed by Joubert Nivelt Design. Her first hull was built in 1977 and a Deck stepped mast mast configuration.

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ARCHAMBAULT SURPRISE FIN KEEL Sailboat Specifications​

Features

Builder(s)Archambault / BG Race
Designer(s)Joubert Nivelt Design
BrandArchambault
SeriesSurprise
VersionFin keel
categoryOne design sailboat
CountryFrance
Hull TypeMonohull
Number of Hulls Built1600
First Hull Built1977
Last Hull BuiltStill in production
AppendagesKeel fin without bulb
HelmSingle tiller
RudderSingle spade rudder
CockpitClosed aft cockpit
Ballast TypeCast iron
Rigging TypeSloop Marconi 7/8
Mast LayoutDeck stepped mast
Number of Berth(s)4
UnsinkableNo
TrailerableYes
Ballast Ratio0.44

Dimensions

Hull Length7.65 m / 25.1 ft
Waterline Length (LWL)6.6 m / 21.8 ft
Beam (width)2.48 m / 8.1 ft
Draft1.6 m / 5.2 ft
Light Displacement (MLC) 1350 kg / 2976 lb
Ballast Weight600 kg / 1323 lb

Performance

Critical Hull Speed6.24 knots
Displacement-Length Ratio (DLR)133
Ballast Ratio0.44
Upwind Sail Area to Displacement24.97 m²/T / 269 ft²/T
Downwind Sail Area to Displacement50.35 m²/T / 542 ft²/T

Above Deck

Mast LayoutDeck stepped mast
Mast Height from DWL9.8 m / 32.2 ft
Rotating SparsNo
Number of Levels of Spreaders1
Spreaders AngleSwept-back
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire continuous
Upwind Sail Area30.5 m² / 328 ft²
Downwind Sail Area61.5 m² / 662 ft²
Mainsail Area16.5 m² / 178 ft²
Genoa Area14 m² / 151 ft²
I26.5 ft * 8.05 m
J6 ft * 1.83 m
P29.6 ft * 9 m
E10.10 ft * 3.3 m

Engine Room

Engine(s)Outboard engine
Engine(s) Power10 HP

Below Deck

Maximum Headroom4.10 ft * 1.45 m
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