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Sailboat specifications and datasheets

Swan 36

The Swan 36 is a 35’10” offshore monohull sailboat designed by Olin Stephens. She was built by Nautor's Swan (Finland) and made of monolithic fiberglass / polyester. This sailboat was produced between 1967 and 1970 with about 90 hulls completed.
Nautor's Swan Swan 36 Nautor's Swan Swan 36 sailplanNautor's Swan Swan 36 layoutNautor's Swan Swan 36 layoutNautor's Swan Swan 36 sailing
Swan 36's   Main Features
Model Swan 36
Type of hull Monohull
Shipyard
Designer Olin Stephens
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich fiberglass / polyester
First built hull 1967
Last built hull 1970
Number of hulls built About 90
Appendages Keel :
Fin without bulb
Helm 1 tiller
Rudder 1 spade rudder
Unsinkable No
Trailerable No
French navigation category 1
Standard public price (indicative only) N/A
Swan 36's   Main dimensions
Hull length 35’ 10”
Waterline length 25’ 6”
Beam (width) 9’ 7”
Draft 6’ 2”
Light displacement 15432 lbs
Ballast weight 7937 lbs
Ballast type Lead
Swan 36's   Rig and sails
Upwind sail area 681 sq.ft
Downwind sail area 1316 sq.ft
Mainsail area 229 sq.ft
Genoa area 452 sq.ft
Symetric spinnaker area 1087 sq.ft
Rigging type Sloop Marconi masthead
Spars Mast and boom in Aluminum
Standing rigging Continuous
Number of levels of spreaders 1
Spreaders angle 0 °
IiFore triangle height (from mast foot to fore stay attachment) 42’ 11”
JiFore triangle base (from mast foot to bottom of forestay) 13’ 8”
PiMainsail hoist measurement (from tack to head) 38’ 1”
EiMainsail foot measurement (from tack to clew) 13’ 1”
Swan 36's   Performances
HN (French rating) 18.0
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.
17.30
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.
33.42
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.
423
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.
51 %
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.
6.77 knots
Swan 36's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 15 HP
Fuel type Diesel
Fuel tank capacity 13.2 gal
Swan 36's   Accommodation
Cabin(s) 1
Berth(s) (min/max) 4 / 7
Head(s) 1
Fresh water tank capacity 44.9 gal
Maximum headroom 6’ 2”

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