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Sailboat specifications and datasheets

Southerly 330

The Southerly 330 is a 32’8” monohull sailboat designed by Stephen Jones. She was built by Northshore (United Kingdom) and made of monolithic bottom, sandwich sides and deck: fiberglass / vinylester vaccum bagged. The production started in 2017 .

The Southerly 330 belongs to the Southerly range. The Southerly 330 has also been marketed as Southerly 32.

Northshore  Southerly 330 Northshore  Southerly 330 sailplanNorthshore  Southerly 330 layoutNorthshore  Southerly 330 sailingNorthshore  Southerly 330 sailingNorthshore  Southerly 330 sailingNorthshore  Southerly 330 sailingNorthshore  Southerly 330 accommodationsNorthshore  Southerly 330 accommodationsNorthshore  Southerly 330 accommodationsNorthshore  Southerly 330 accommodationsNorthshore  Southerly 330 accommodations
Southerly 330's   Main Features
Model Southerly 330
Type of hull Monohull
Shipyard
Designer Stephen Jones
Range Southerly
Construction Hull and deck:
monolithic bottom, sandwich sides and deck: fiberglass / vinylester vaccum bagged
First built hull 2017
Last built hull Still in production
Appendages Keel (lifting) :
Swing keel
Helm 1 wheel
Rudder 2 spade rudders
Unsinkable No
Trailerable No
EC certification A
Standard public price ex. VAT (indicative only) About
213 000
(2017)
Southerly 330's   Main dimensions
Hull length 32’ 8”
Waterline length 28’ 11”
Beam (width) 11’ 10”
Draft 7’ 5”
Draft when appendages up 2’ 8”
Mast height from DWL 54’ 6”
Light displacement 16438 lbs
Ballast weight 6113 lbs
Ballast type Cast iron
Southerly 330's   Rig and sails
Upwind sail area 710 sq.ft
Downwind sail area 872 sq.ft
Mainsail area 355 sq.ft
Genoa area 355 sq.ft
Jib area 215 sq.ft
Gennaker area 517 sq.ft
Rigging type Sloop Marconi 7/8
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Number of levels of spreaders 2
Spreaders angle Swept-back
Southerly 330'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.
17.29
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.
21.22
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.
310
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.
37 %
Righting moment @ 30°iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
21120 lbs.ft
Maximum righting momentiThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
32259 lbs.ft @ 53.00 °
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.
7.20 knots
Southerly 330's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine 29 HP
Fuel type Diesel
Fuel tank capacity 36.2 gal
Southerly 330's   Accommodation
Cabin(s) 2
Berth(s) (min/max) 4 / 6
Head(s) 1
Fresh water tank capacity 43.6 gal
Fridge/ice-box capacity 19.8 gal

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