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Sailboat specifications and datasheets

Océanis 320 wing keel

The Océanis 320, here in "wing keel" version, is a 30’4” monohull sailboat designed by Philippe Briand. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 1987 and 1992 with 359 hulls completed.

The Océanis 320 belongs to the Océanis range. The Océanis 320 is as well listed, on Boat-Specs.com, in version Fin keel.

Bénéteau Océanis 320 Bénéteau Océanis 320 sailplanBénéteau Océanis 320 layoutBénéteau Océanis 320 accommodations
Océanis 320's   Main Features
Model Océanis 320
Version Wing keel
Type of hull Monohull
Shipyard
Designer Philippe Briand
Range Océanis
Construction Hull and deck:
monolithic fiberglass / polyester
First built hull 1987
Last built hull 1992
Number of hulls built 359
Appendages Keel :
Wing keel
Helm 1 tiller
Rudder 1 spade rudder
Unsinkable No
Trailerable No
French navigation category 2
Standard public price (indicative only) N/A
Océanis 320's   Main dimensions
Length overall 31’ 6”
Hull length 30’ 4”
Waterline length 27’ 8”
Beam (width) 10’ 8”
Draft 3’ 10”
Mast height from DWL 44’ 11”
Light displacement 8818 lbs
Ballast weight 2646 lbs
Ballast type Cast iron
French customs tonnage 11.00 Tx
Océanis 320's   Rig and sails
Upwind sail area 544 sq.ft
Downwind sail area 958 sq.ft
Mainsail area 199 sq.ft
Genoa area 344 sq.ft
Stormjib area 62 sq.ft
Symetric spinnaker area 759 sq.ft
Rigging type Sloop Marconi masthead
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire continuous
Number of levels of spreaders 1
Spreaders angle 0 °
Océanis 320's   Performances
HN (French rating) 16.0
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.
20.04
Downwind 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.
35.32
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.
188
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.
30 %
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.
7.05 knots
Océanis 320's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 18 HP
Fuel type Diesel
Fuel tank capacity 13.2 gal
Océanis 320's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 39.6 gal
Fridge/ice-box capacity 19.8 gal
Maximum headroom 6’ 4”
Galley headroom 5’ 10”
Head headroom 5’ 10”
Océanis 320's   Saloon
Maximum headroom 6’ 1”
Saloon table length 3’ 8”
Saloon table width 2’ 2”
Saloon width 3’ 4”
Berth length 7’ 5”
Berth width 3’ 4”
Océanis 320's   Fore cabin
Maximum headroom 5’ 8”
Berth length 7’ 6”
Berth width 6’ 2”
Océanis 320's   Aft cabin
Maximum headroom 5’ 10”
Berth length 6’ 5”
Berth width 5’ 1”

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