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Sailboat specifications and datasheets

Océanis 55.1 wing keel

The Océanis 55.1, here in "wing keel" version, is a 52’6” monohull sailboat designed by Jean Berret and Olivier Racoupeau. She was built by Bénéteau (France) and made of sandwich balsa / fiberglass / polyester (composite infusion). The production started in 2017 .

The Océanis 55.1 belongs to the Océanis range. The Océanis 55.1 is as well listed, on Boat-Specs.com, in version Shoal draft and Deep draft.

Bénéteau Océanis 55.1 Bénéteau Océanis 55.1 sailplanBénéteau Océanis 55.1 layoutBénéteau Océanis 55.1 layoutBénéteau Océanis 55.1 layoutBénéteau Océanis 55.1 layoutBénéteau Océanis 55.1 sailingBénéteau Océanis 55.1 cockpitBénéteau Océanis 55.1 accommodations
Océanis 55.1's   Main Features
Model Océanis 55.1
Version Wing keel
Type of hull Monohull
Category Offshore cruising sailboat
Shipyard
Designer Jean Berret
Olivier Racoupeau
Range Océanis
Construction Hull and deck:
sandwich balsa / fiberglass / polyester (composite infusion)
First built hull 2017
Last built hull Still in production
Appendages Keel :
Wing keel
Helm 2 wheels
Rudder 1 spade rudder
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
363 000
(2016)
Océanis 55.1's   Main dimensions
Length overall 55’ 1”
Hull length 52’ 6”
Waterline length 49’ 8”
Beam (width) 16’ 4”
Draft 5’ 1”
Mast height from DWL 78’ 7”
Light displacement 38636 lbs
Ballast weight 10703 lbs
Ballast type Cast iron
Océanis 55.1's   Rig and sails
Upwind sail area 1432 sq.ft
Downwind sail area 2874 sq.ft
Mainsail area 721 sq.ft
Genoa area 710 sq.ft
Jib area 570 sq.ft
Asymetric spinnaker area 2153 sq.ft
Code 0 area 1249 sq.ft
Rigging type Sloop Marconi 9/10
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 68’ 8”
JiFore triangle base (from mast foot to bottom of forestay) 21’ 8”
PiMainsail hoist measurement (from tack to head) 65’ 1”
EiMainsail foot measurement (from tack to clew) 19’ 5”
Océanis 55.1'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.
19.71
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.
39.57
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.
142
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.
28 %
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.
9.45 knots
Océanis 55.1's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 80 HP / 110 HP
Fuel type Diesel
Fuel tank capacity 105.7 gal
Océanis 55.1's   Accommodation
Cabin(s) (min/max) 3 / 5
Berth(s) (min/max) 6 / 12
Head(s) (min/max) 2 / 4
Fresh water tank capacity 183.3 gal
Water heater capacity 10.6 gal
Holding tank capacity 21.1 gal
Fridge/ice-box capacity 60.8 gal
Galley headroom 6’ 5”
Head headroom 6’ 4”
Océanis 55.1's   Saloon
Maximum headroom 6’ 6”
Berth length 6’ 7”
Océanis 55.1's   Fore cabin
Maximum headroom 6’ 4”
Berth length 6’ 11”
Berth width (head/feet) 6’
3’ 8”
Océanis 55.1's   Aft cabin
Maximum headroom 6’ 5”
Berth length 6’ 8”
Berth width (head/feet) 4’ 11”
3’ 11”

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