Detailed sailboat specifications and datasheets since 2015
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Imperial & Metricboth
ImperialIMP (ft)

Fruit de mer (Fin keel) vs Fruit de mer (Centerboard (Trunk))

Main featuresFruit de mer Fin keelFruit de mer Centerboard (Trunk)
Model
Fruit de mer
Fruit de mer
Version
Fin keel
Centerboard (Trunk)
Hull type
Monohull
Monohull
Category
Offshore cruising sailboat
Offshore cruising sailboat
Sailboat builder
Form'Océan
Form'Océan
Sailboat designer
Country
France
France
Construction
Hull and deck: steel
Hull and deck: steel
Number of hulls built
About 150
About 150
First built hull
1981
1981
Last built hull
1986
1986
Appendages
Keel : fin without bulb
Centerboard : pivoting centerboard
Helm
Single helm wheel
Single helm wheel
Rudder
Single spade rudder
Single spade rudder
Unsinkable
No
No
Trailerable
No
No
Former French navigation category
1
1
 
Main dimensionsFruit de mer Fin keelFruit de mer Centerboard (Trunk)
Hull length
35’ 7”10.85 m
35’ 7”10.85 m
Waterline length
29’ 11”9.1 m
29’ 11”9.1 m
Beam (width)
12’ 5”3.78 m
12’ 5”3.78 m
Draft
6’ 1”1.85 m
7’ 8”2.35 m
Draft when appendages up
2’ 7”0.8 m
Mast height from DWL
49’ 2”15 m
49’ 2”15 m
Light displacement (MLC)
14881 lb6750 kg
14881 lb6750 kg
Ballast weight
7165 lb3250 kg
7165 lb3250 kg
French customs tonnage
11.40 Tx
11.40 Tx
 
Rig and sailsFruit de mer Fin keelFruit de mer Centerboard (Trunk)
Upwind sail area
789 ft²73.3 m²
789 ft²73.3 m²
Mainsail area
294 ft²27.3 m²
294 ft²27.3 m²
Genoa area
495 ft²46 m²
495 ft²46 m²
Rigging type
Sloop Marconi masthead
Sloop Marconi masthead
Mast configuration
Deck stepped mast
Deck stepped mast
Rotating spars
No
No
Spreaders angle
No spreader
No spreader
Spars construction
Aluminum spars
Aluminum spars
 
PerformancesFruit de mer Fin keelFruit de mer Centerboard (Trunk)
Upwind sail area to displacement
 iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.

The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size.

Upwind: under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 25 it indicates a fast sailboat.
221 ft²/T20.52 m²/T
221 ft²/T20.52 m²/T
Displacement-length ratio (DLR)
 iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).
The DLR can be used to compare the relative mass of different sailboats no matter what their length:

a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.
254
254
Ballast ratio
 iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

The higher the ballast ratio is, the greater is the stability.
48 %
48 %
Critical hull speed
 iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".
The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.
7.32 knots
7.32 knots
 
Auxiliary engineFruit de mer Fin keelFruit de mer Centerboard (Trunk)
Engine(s)
1 inboard engine
1 inboard engine
Engine(s) power (min./max.)
20 HP / 50 HP
20 HP / 50 HP
Fuel type
Diesel
Diesel
Fuel tank capacity
51.5 gal195 liters
51.5 gal195 liters
 
Accommodations and layoutFruit de mer Fin keelFruit de mer Centerboard (Trunk)
Cockpit
Closed aft cockpit
Closed aft cockpit
Cabin(s)
2
2
Berth(s)
6
6
Freshwater tank capacity
84.5 gal320 liters
84.5 gal320 liters
Maximum headroom
6’ 2”1.9 m
6’ 2”1.9 m
 
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