The
Southerly 330 is a 32’8” (9.97m) cruising sailboat designed by
Stephen Jones Yacht Design (United Kingdom). She was built between 2017 and 2019 by
Discovery Yachts Group (United Kingdom).
The
Southerly 330 has also been marketed as
Southerly 32.
Southerly 330's main features
Model
Southerly 330
Hull type
Monohull
Category
Cruising sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
United Kingdom
Construction
GRP (glass reinforced polyester):
Single skin bottom, sandwich sides and deck: fiberglass vinylester vacuum bagged
First built hull
2017
Last built hull
2019
Appendages
Lifting keel : swing keel
Helm
Single helm wheel
Rudder
Twin spade rudders
Unsinkable
No
Trailerable
No
EC design category
iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)
A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5mA
Standard public price ex. VAT (indicative only)
Southerly 330's main dimensions
Hull length
32’ 8”9.97 m
Waterline length
28’ 11”8.8 m
Beam (width)
11’ 10”3.6 m
Draft
7’ 5”2.26 m
Draft when appendages up
2’ 8”0.83 m
Mast height from DWL
54’ 6”16.6 m
Light displacement (MLC)
16438 lb7456 kg
Ballast weight
6113 lb2773 kg
Ballast type
Cast iron
Southerly 330's rig and sails
Upwind sail area
710 ft²66 m²
Downwind sail area
872 ft²81 m²
Mainsail area
355 ft²33 m²
Genoa area
355 ft²33 m²
Jib area
215 ft²20 m²
Gennaker area
517 ft²48 m²
Rigging type
Sloop Marconi 7/8
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Southerly 330's performances
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.186 ft²/T17.29 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.228 ft²/T21.22 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.310
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.37 %
Righting moment @ 30°
iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. 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.21120 lb.ft2920 kg.m
Maximum righting moment
iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. 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.32259 lb.ft4460 kg.m @ 53.00 °
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 1.34.7.20 knots
Southerly 330's auxiliary engine
Engine(s)
1 inboard engine
Engine(s) power
29 HP
Fuel type
Diesel
Fuel tank capacity
36.2 gal137 liters
Southerly 330's accommodations and layout
Cockpit
Closing aft cockpit with opening system
Cabin(s)
2
Berth(s) (min./max.)
4 / 6
Head(s)
1
Freshwater tank capacity
43.6 gal165 liters
Fridge/ice-box capacity
19.8 gal75 liters
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