Detailed sailboat specifications and datasheets since 2015
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Océanis 500 Wing keel

Sailboat specifications

The Océanis 500 is a 49’1” (14.98m) cruising sailboat designed by Philippe Briand (France). She was built between 1987 and 1991 by Bénéteau (France) with 158 hulls completed. The Wing keel version is offered with a short keel fitted with large winglets. This configuration provides an interesting draft / low center of gravity / upwind performance trade-off.

Océanis 500's main features

Model
Océanis 500
Version
Wing keel
Hull type
Monohull
Category
Offshore cruising sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
Number of hulls built
158
First built hull
1987
Last built hull
1991
Appendages
Keel : wing keel
Helm
Twin helm wheels
Rudder
Single spade rudder
Unsinkable
No
Trailerable
No
Former French navigation category
1
Standard public price ex. VAT (indicative only)
N/A

Océanis 500's main dimensions

Overall length
50’ 2”15.3 m
Hull length
49’ 1”14.98 m
Waterline length
44’ 7”13.58 m
Beam (width)
15’ 7”4.75 m
Draft
5’ 11”1.8 m
Light displacement (MLC)
30865 lb14000 kg
Ballast weight
10803 lb4900 kg
Ballast type
Cast iron

Océanis 500's rig and sails

Upwind sail area
1119 ft²104 m²
Rigging type
Sloop Marconi (in-mast furling mainsail) 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 500'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.
193 ft²/T17.9 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.
158
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.
35 %
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.
8.94 knots

Océanis 500's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
80 HP
Fuel type
Diesel
Fuel tank capacity
147.9 gal560 liters

Océanis 500's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s) (min./max.)
3 / 5
Berth(s) (min./max.)
6 / 12
Head(s) (min./max.)
3 / 4
Freshwater tank capacity
274.7 gal1040 liters
Fridge/ice-box capacity
79.3 gal300 liters
Boiler capacity
11.1 gal42 liters
Maximum headroom
6’ 5”1.95 m
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