Detailed sailboat specifications and datasheets since 2015
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Swan 65 (Sloop) vs Swan 65 (Ketch)

Main featuresSwan 65 SloopSwan 65 Ketch
Model
Swan 65
Swan 65
Version
Sloop
Ketch
Hull type
Monohull
Monohull
Category
Offshore cruiser-racer sailboat
Offshore cruiser-racer sailboat
Sailboat builder
Nautor's Swan
Nautor's Swan
Sailboat designer
Country
Finland
Finland
Construction
Hull and deck: GRP (glass reinforced polyester)
Hull and deck: GRP (glass reinforced polyester)
Number of hulls built
41
41
First built hull
1971
1971
Last built hull
1989
1989
Appendages
Keel : fin without bulb
Keel : fin without bulb
Helm
Single helm wheel
Single helm wheel
Rudder
Single rudder on skeg
Single rudder on skeg
Unsinkable
No
No
Trailerable
No
No
 
Main dimensionsSwan 65 SloopSwan 65 Ketch
Hull length
64’ 7”19.68 m
64’ 7”19.68 m
Waterline length
47’14.33 m
47’14.33 m
Beam (width)
16’ 4”4.96 m
16’ 4”4.96 m
Draft
9’ 6”2.9 m
9’ 6”2.9 m
Mast height from DWL
80’ 2”24.43 m
85’ 2”25.98 m
Light displacement (MLC)
70107 lb31800 kg
70107 lb31800 kg
Ballast weight
30644 lb13900 kg
30644 lb13900 kg
 
Rig and sailsSwan 65 SloopSwan 65 Ketch
Upwind sail area
2362 ft²219.4 m²
2252 ft²209.2 m²
Downwind sail area
4489 ft²417 m²
4869 ft²452.3 m²
Mainsail area
840 ft²78 m²
620 ft²57.6 m²
Mizzen sail area
272 ft²25.3 m²
Mizzen staysail area
715 ft²66.4 m²
Genoa area
1522 ft²141.4 m²
1359 ft²126.3 m²
Symmetric spinnaker area
3649 ft²339 m²
3261 ft²303 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
80’24.38 m
74’ 11”22.83 m
J
 iFore triangle base (from mast foot to bottom of forestay)
25’ 5”7.73 m
24’ 2”7.38 m
P
 iMainsail hoist measurement (from tack to head)
73’22.25 m
67’ 8”20.64 m
E
 iMainsail foot measurement (from tack to clew)
23’7.01 m
18’ 4”5.58 m
Rigging type
Sloop Marconi masthead
Ketch Marconi masthead
Mast configuration
Keel stepped mast
Keel stepped mast
Rotating spars
No
No
Number of levels of spreaders
2
2
Spreaders angle
0 °
0 °
Spars construction
Aluminum spars
Aluminum spars
Standing rigging
1x19 strand wire discontinuous
1x19 strand wire discontinuous
 
PerformancesSwan 65 SloopSwan 65 Ketch
IOR rating
 iIOR, or International Offshore Rule, was a measurement rule system used internationally for ocean racing. It allows boats of different sizes and designs to race each other fairly. Therefore, by comparing these values, we can have an indication of the relative speed of 2 boats.
45.0
45.0
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.
235 ft²/T21.86 m²/T
224 ft²/T20.84 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.
447 ft²/T41.54 m²/T
414 ft²/T38.45 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.
306
306
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.
44 %
44 %
Wetted area
775 ft²72 m²
775 ft²72 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.
9.19 knots
9.19 knots
 
Auxiliary engineSwan 65 SloopSwan 65 Ketch
Engine(s)
1 inboard engine
1 inboard engine
Engine(s) power (min./max.)
89 HP / 148 HP
89 HP / 148 HP
Fuel type
Diesel
Diesel
Fuel tank capacity
256.2 gal970 liters
256.2 gal970 liters
 
Accommodations and layoutSwan 65 SloopSwan 65 Ketch
Cockpit
Closed aft cockpit
Closed aft cockpit
Cabin(s)
4
4
Berth(s) (min./max.)
11 / 13
11 / 13
Head(s)
3
3
Freshwater tank capacity
361.9 gal1370 liters
361.9 gal1370 liters
Fridge/ice-box capacity
113.6 gal430 liters
113.6 gal430 liters
 
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