Océanis 430 Fin keel

Sailboat specifications

The Océanis 430 is a 41’4” (12.6m) cruising sailboat designed by Philippe Briand (France). She was built between 1985 and 1992 by Bénéteau (France) with 426 hulls completed. The Fin keel version adopts a classical fin configuration, the easiest option to provide a low center of gravity.

The Océanis 430 is as well listed, on Boat-Specs.com, in Wing keel version (see all the versions compared).

Océanis 430's main features

Model: Océanis 430
Version: Fin keel
Hull type: Monohull
Category: Offshore cruising sailboat
Sailboat builder: Bénéteau
Sailboat designer: Philippe Briand
Sailboat range: Océanis
Country: France
Construction: GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
Number of hulls built: 426
First built hull: 1985
Last built hull: 1992
Appendages: Keel : fin without bulb
Helm: Single helm wheel
Rudder: Single spade rudder
Unsinkable: No
Trailerable: No
Former French navigation category: 1
Standard public price ex. VAT (indicative only): N/A €

Océanis 430's main dimensions

Overall length: 42’ 6”12.96 m
Hull length: 41’ 4”12.6 m
Waterline length: 37’11.27 m
Beam (width): 13’ 10”4.22 m
Waterline beam (width): 11’ 2”3.41 m
Draft: 5’ 11”1.8 m
Mast height from D_WL: 54’ 10”16.7 m
Fore freeboard: 4’ 1”1.26 m
Mid-ship freeboard: 3’ 6”1.08 m
Light displacement (M_LC): 19842 lb9000 kg
Ballast weight: 7937 lb3600 kg
French customs tonnage: 17.68 Tx

Océanis 430's rig and sails

Upwind sail area: 973 ft²90.4 m²
Downwind sail area: 1716 ft²159.4 m²
Mainsail area: 360 ft²33.4 m²
Genoa area: 614 ft²57 m²
Symmetric spinnaker area: 1356 ft²126 m²
Rigging type: Sloop Marconi masthead
Mast configuration: Keel stepped mast
Rotating spars: No
Number of levels of spreaders: 2
Spreaders angle: Swept-back
Spars construction: Aluminum spars
Standing rigging: 1x19 strand wire

Océanis 430's performances

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.: 225 ft²/T20.89 m²/T
Downwind 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.: 397 ft²/T36.84 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.: 178
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.: 40 %
Wetted area: 398 ft²37.01 m²
Maximum transverse section: 20 ft²1.87 m²
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.: 8.15 knots