Detailed sailboat specifications and datasheets since 2015
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Swan 66 S

Sailboat specifications

The Swan 66 S is a 66’ (20.12m) cruiser-racer sailboat designed by Frers Naval Architecture & Engineering (Argentina). She was built between 2008 and 2017 by Nautor's Swan (Finland).

Swan 66 S's main features

Model
Swan 66 S
Hull type
Monohull
Category
Offshore cruiser-racer sailboat
Sailboat builder
Sailboat designer
Country
Finland
Construction
Fiberglass reinforced epoxy:
Sandwich PVC fiberglass epoxy with carbon fiber reinforcements
First built hull
2008
Last built hull
2017
Appendages
Keel : fin with bulb
Helm
Twin helm wheels
Rudder
Single spade rudder
Unsinkable
No
Trailerable
No
EC design category
 iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
A
Standard public price ex. VAT (indicative only)
About 
3 800 000 €
 (2016)

Swan 66 S's main dimensions

Hull length
66’20.12 m
Waterline length
56’ 5”17.19 m
Beam (width)
17’ 8”5.39 m
Draft
10’ 6”3.2 m
Light displacement (MLC)
66139 lb30000 kg
Ballast weight
20723 lb9400 kg
Ballast type
Lead

Swan 66 S's rig and sails

Upwind sail area
2347 ft²218 m²
Mainsail area
1309 ft²121.6 m²
Jib area
1038 ft²96.4 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
90’ 2”27.5 m
J
 iFore triangle base (from mast foot to bottom of forestay)
24’ 5”7.45 m
P
 iMainsail hoist measurement (from tack to head)
82’ 8”25.2 m
E
 iMainsail foot measurement (from tack to clew)
24’ 11”7.6 m
Rigging type
Sloop Marconi masthead
Mast configuration
Keel stepped mast
Rotating spars
No
Number of levels of spreaders
3
Spreaders angle
Swept-back
Spars construction
Carbon fiber spars
Standing rigging
Single-strand (ROD)

Swan 66 S'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.
243 ft²/T22.58 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.
167
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.
31 %
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.
10.06 knots

Swan 66 S's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
163 HP
Fuel type
Diesel
Fuel tank capacity
343.4 gal1300 liters

Swan 66 S's accommodations and layout

Cockpit
Open aft cockpit
Cabin(s)
4
Berth(s) (min./max.)
8 / 10
Head(s)
4
Holding tank capacity
19.8 gal75 liters
Boiler capacity
330.2 gal1250 liters
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