Southerly 420

2010
Designer
Rob Humphreys
Builder
Northshore Yachts
Associations
?
# Built
?
Hull Type
Swing Keel
Construction
FG

Dimensions

Length Overall
42 2 / 12.9 m
Waterline Length
36 5 / 11.1 m
Beam
13 2 / 4 m
Draft
2 9 / 0.8 m 8 11 / 2.7 m
Displacement
26,010 lbs / 11,800 kg
Ballast
7,780 lbs / 3,530 kg

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
785 ft2 / 72.9 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
61 5 / 18.7 m
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Yanmar
Model
4JH5E
HP
53
Fuel Type
Diesel
Fuel Capacity
79 gal / 299 l

Accomodations

Water Capacity
150 gal / 568 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
8.09 knots
Sail Area/Displacement
14.31
under powered
Ballast/Displacement
29.91
less stiff, less powerful
Displacement/Length
239.81
moderate
Comfort Ratio
33.57
moderate bluewater cruising boat
Capsize Screening
1.78
better suited for ocean passages

Notes

Later became the Southerly 430


For Sale

Have a sailboat to sell?
List it for free and it will show up here.

Subscribe

Get occassional updates about new features or featured sailboats.
You can opt out or contact us any time.