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Sailboat specifications and datasheets

Swan 441 cruising

The Swan 441, here in "cruising" version, is a 44’5” monohull sailboat designed by Ron Holland. She was built by Nautor's Swan (Finland) and made of monolithic fiberglass / polyester. This sailboat was produced between 1978 and 1982 with 45 hulls completed.
Nautor's Swan Swan 441 Nautor's Swan Swan 441 sailplanNautor's Swan Swan 441 layoutNautor's Swan Swan 441 layoutNautor's Swan Swan 441 sailingNautor's Swan Swan 441 sailingNautor's Swan Swan 441 sailing
Swan 441's   Main Features
Model Swan 441
Version Cruising
Type of hull Monohull
Shipyard
Designer Ron Holland
Construction Hull:
monolithic fiberglass / polyester
Deck:
sandwich fiberglass / polyester
First built hull 1978
Last built hull 1982
Number of hulls built 45
Appendages Keel :
Fin without bulb
Helm 1 wheel
Rudder 1 spade rudder
Unsinkable No
Trailerable No
Standard public price (indicative only) N/A
Swan 441's   Main dimensions
Hull length 44’ 5”
Waterline length 36’ 8”
Beam (width) 13’ 5”
Draft 7’ 11”
Mast height from DWL 70’ 6”
Light displacement 24692 lbs
Ballast weight 11023 lbs
Ballast type Lead
French customs tonnage 34.40 Tx
Swan 441's   Rig and sails
Upwind sail area 1249 sq.ft
Downwind sail area 2443 sq.ft
Mainsail area 398 sq.ft
Genoa area 850 sq.ft
Symetric spinnaker area 2045 sq.ft
Rigging type Sloop Marconi masthead
Spars Mast and boom in Aluminum
Number of levels of spreaders 2
Spreaders angle 0 °
IiFore triangle height (from mast foot to fore stay attachment) 60’
JiFore triangle base (from mast foot to bottom of forestay) 19’
PiMainsail hoist measurement (from tack to head) 53’ 11”
EiMainsail foot measurement (from tack to clew) 14’ 6”
Swan 441's   Performances
HN (French rating) 27.5
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.
23.17
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.
45.35
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.
226
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.
45 %
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.
8.12 knots
Swan 441's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 49 HP
Fuel type Diesel
Fuel tank capacity 50.2 gal
Swan 441's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 5 / 10
Head(s) (min/max) 1 / 2
Fresh water tank capacity 100.4 gal
Maximum headroom 6’ 4”
Galley headroom 6’ 4”
Swan 441's   Saloon
Maximum headroom 6’ 4”
Swan 441's   Fore cabin
Maximum headroom 6’ 1”

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