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Sailboat specifications and datasheets

Sun Odyssey 490 performance

The Sun Odyssey 490, here in "performance" version, is a 39’5” monohull sailboat designed by Philippe Briand and Design Office Jeanneau. She was built by Jeanneau (France) and made of sandwich balsa / fiberglass / polyester. The production started in 2017 .

The Sun Odyssey 490 belongs to the Sun Odyssey range. The Sun Odyssey 490 is as well listed, on Boat-Specs.com, in version Deep draft and Shoal draft.

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Sun Odyssey 490's   Main Features
Model Sun Odyssey 490
Version Performance
Type of hull Monohull
Category Offshore cruising sailboat
Shipyard
Designer Philippe Briand
Design Office Jeanneau
Range Sun Odyssey
Construction Hull:
sandwich balsa / fiberglass / polyester
Deck:
sandwich fiberglass / polyester (injection molding process)
First built hull 2017
Last built hull Still in production
Appendages Keel :
L-shaped keel (with bulb)
Helm 2 wheels
Rudder 2 spade rudders
Cockpit Open aft cockpit with closing system
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
241 000
(2017)
Sun Odyssey 490's   Main dimensions
Length overall 48’ 7”
Hull length 39’ 5”
Waterline length 43’ 5”
Beam (width) 14’ 8”
Draft 7’ 4”
Mast height from DWL 65’ 4”
Light displacement 24890 lbs
Ballast weight 6327 lbs
Ballast type Cast iron
Sun Odyssey 490's   Rig and sails
Upwind sail area 1308 sq.ft
Downwind sail area 1670 sq.ft
Mainsail area 675 sq.ft
Genoa area 633 sq.ft
Code 0 area 996 sq.ft
Rigging type Sloop Marconi 7/8
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging Dyform discontinuous
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 54’ 6”
JiFore triangle base (from mast foot to bottom of forestay) 18’ 8”
PiMainsail hoist measurement (from tack to head) 55’ 1”
EiMainsail foot measurement (from tack to clew) 19’
Sun Odyssey 490'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.
24.14
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.
30.83
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.
138
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.
25 %
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.
8.83 knots
Sun Odyssey 490's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 57 HP / 80 HP
Fuel type Diesel
Fuel tank capacity 63.4 gal
Sun Odyssey 490's   Accommodation
Cabin(s) (min/max) 2 / 5
Berth(s) (min/max) 4 / 13
Head(s) (min/max) 2 / 4
Fresh water tank capacity 169.1 gal
Water heater capacity 10.6 gal
Holding tank capacity 34.3 gal
Fridge/ice-box capacity 50.2 gal
Maximum headroom 6’ 6”
Galley headroom 6’ 5”
Head headroom 6’ 2”
Sun Odyssey 490's   Saloon
Maximum headroom 6’ 6”
Sun Odyssey 490's   Fore cabin
Maximum headroom 6’ 2”
Berth length 6’ 7”
Berth width (head/feet) 4’ 7”
2’ 7”
Sun Odyssey 490's   Aft cabin
Maximum headroom 6’ 2”
Berth length 6’ 7”
Berth width 5’ 2”

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