Sailboat specifications and datasheets

Fruit de mer centerboard (Trunk)

The Fruit de mer, here in "centerboard (Trunk)" version, is a 35’7” offshore monohull sailboat designed by Michel Joubert and Bernard Nivelt. She was built by Form'Océan (France) and made of steel. This sailboat was produced between 1981 and 1986 with about 150 hulls completed.

The Fruit de mer is as well listed, on, in version Fin keel.

Form'Océan  Fruit de mer Form'Océan  Fruit de mer sailingForm'Océan  Fruit de mer sailingForm'Océan  Fruit de mer accommodationsForm'Océan  Fruit de mer accommodations
Fruit de mer's   Main Features
Model Fruit de mer
Version Centerboard (Trunk)
Type of hull Monohull
Category Offshore cruising sailboat
Designer Michel Joubert
Bernard Nivelt
Construction Steel
First built hull 1981
Last built hull 1986
Number of hulls built About 150
Appendages Centerboard
Helm 1 wheel
Rudder 1 spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 1
Standard public price ex. VAT (indicative only) N/A
Fruit de mer's   Main dimensions
Hull length 35’ 7”
Waterline length 29’ 11”
Beam (width) 12’ 5”
Draft 7’ 8”
Draft when appendages up 2’ 7”
Mast height from DWL 49’ 2”
Light displacement 14881 lbs
Ballast weight 7165 lbs
French customs tonnage 11.40 Tx
Fruit de mer's   Rig and sails
Upwind sail area 789 sq.ft
Mainsail area 294 sq.ft
Genoa area 495 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Fruit de mer's   Performances
Upwind sail area to displacementiThe 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 23 it indicates a fast sailboat.
Displacement-Length ratio (DLR)iThe Displacement Length ratio is a figure that points out the boat's weight compared to its waterline length. 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.
Ballast ratioiThe Ballast ratio is an indicator of the stability; it is obtained by dividing the boat's displacement by the weight of the ballast. Since the stability depends also of the hull shape and the position of the center of gravity, only boats with similar ballast arrangements and hull shape should be considered.
Higher the ballast ratio is, greater is the stability.
48 %
Hull speediAs 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
Fruit de mer's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 20 HP / 50 HP
Fuel type Diesel
Fuel tank capacity 51.5 gal
Fruit de mer's   Accommodation
Cabin(s) 2
Berth(s) 6
Fresh water tank capacity 84.5 gal
Maximum headroom 6’ 2”

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