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Sailboat specifications and datasheets

Sense 55 shoal draft

The Sense 55, here in "shoal draft" version, is a 55’1” monohull sailboat designed by Jean Berret and Olivier Racoupeau. She was built by Bénéteau (France) and made of monolithic fiberglass / polyester. This sailboat was produced between 2011 and 2016.

The Sense 55 belongs to the Sense range. The Sense 55 is as well listed, on Boat-Specs.com, in version Deep draft.

Bénéteau Sense 55 Bénéteau Sense 55 sailplanBénéteau Sense 55 layoutBénéteau Sense 55 sailingBénéteau Sense 55 sailingBénéteau Sense 55 sailingBénéteau Sense 55 sailingBénéteau Sense 55 sailingBénéteau Sense 55 accommodationsBénéteau Sense 55 accommodationsBénéteau Sense 55 accommodationsBénéteau Sense 55 accommodationsBénéteau Sense 55 accommodations
Sense 55's   Main Features
Model Sense 55
Version Shoal draft
Type of hull Monohull
Category Cruising sailboat
Shipyard
Designer Jean Berret
Olivier Racoupeau
Range Sense
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich balsa / fiberglass / polyester
First built hull 2011
Last built hull 2016
Appendages Keel :
Fin with bulb
Helm 2 wheels
Rudder 2 spade rudders
Cockpit Open aft cockpit
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) N/A
Sense 55's   Main dimensions
Length overall 56’ 5”
Hull length 55’ 1”
Waterline length 52’ 4”
Beam (width) 16’ 4”
Draft 6’ 1”
Mast height from DWL 78’ 5”
Light displacement 42241 lbs
Ballast weight 12125 lbs
Ballast type Cast iron
Sense 55's   Rig and sails
Upwind sail area 1641 sq.ft
Downwind sail area 3039 sq.ft
Mainsail area 797 sq.ft
Genoa area 845 sq.ft
Asymetric spinnaker area 2242 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) 70’
JiFore triangle base (from mast foot to bottom of forestay) 24’
PiMainsail hoist measurement (from tack to head) 66’ 4”
EiMainsail foot measurement (from tack to clew) 20’ 10”
Sense 55'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.
21.30
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.
39.43
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.
134
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.
29 %
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.
9.69 knots
Sense 55's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 75 HP / 120 HP
Fuel type Diesel
Fuel tank capacity 109.6 gal
Sense 55's   Accommodation
Cabin(s) (min/max) 3 / 4
Berth(s) (min/max) 6 / 8
Head(s) 3
Fresh water tank capacity 169.1 gal
Water heater capacity 10.6 gal
Holding tank capacity 21.1 gal
Fridge/ice-box capacity 79.3 gal
Maximum headroom 6’ 7”
Galley headroom 6’ 6”
Sense 55's   Saloon
Maximum headroom 6’ 6”
Sense 55's   Fore cabin
Maximum headroom 6’ 5”
Berth length 6’ 8”
Berth width (head/feet) 5’ 7”
4’
Sense 55's   Aft cabin
Maximum headroom 6’ 6”
Berth length 6’ 7”
Berth width (head/feet) 5’ 1”
3’ 4”

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