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Sailboat

Southerly 480

2018
Designer
Stephen Jones
Builder
Northshore Yachts
Hull Type
Swing keel w/twin rudders
Construction
GRP

Dimensions

Length Overall
49.15 ft / 14.98 m
Waterline Length
42.81 ft / 13.05 m
Beam
14.63 ft / 4.46 m
Draft
10.24 ft / 3.12 m
Displacement
38,043 lb / 17,256 kg
Ballast
13,492 lb / 6,120 kg
Ballast Type
Cast iron
drawing

Rig and Sails

Type
Solent
Reported Sail Area
1,116.22 ft2 / 103.70 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
Mast Height
71.75 ft / 21.87 m
Foresail
Sail Area
?
I
J
Est. Forestay Len.
?
Mizzen
PY
EY

Spinnaker

SPL/TPS
ISP

Auxilary Power

Make
Yanmar
Model
?
HP
80
Type
Diesel
Fuel Capacity
174 gals / 660 L

Accomodations

Water Capacity
129 gals / 488 L

Calculations

Hull Speed
8.77 knots
Sail Area/Displacement
15.79
under powered
Ballast/Displacement
35.47
less stiff, less powerful
Displacement/Length
216.47
moderate
Comfort Ratio
36.62
moderate bluewater cruising boat
Capsize Screening
1.74
better suited for ocean passages

Notes

Updated version of the 470.
Centerline skeg fitted to protect prop.


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