Sovereign 400

1985
Designer
Rob Humphreys
Builder
Richard Jordan Marine Ltd. (UK)
Associations
?
# Built
?
Hull Type
Fin w/spade rudder
Construction
FG

Dimensions

Length Overall
40 5 / 12.3 m
Waterline Length
32 11 / 10.1 m
Beam
12 8 / 3.9 m
Draft
7 0 / 2.2 m
Displacement
18,500 lbs / 8,391 kg
Ballast
9,170 lbs / 4,159 kg (Lead)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
811 ft2 / 75.3 m2
Total Sail Area
810.6 ft2 / 75.3 m2
Mainsail
Sail Area
362.1 ft2 / 33.6 m2
P
48 7 / 14.8 m
E
14 10 / 4.5 m
Mast Height
?
Foresail
Sail Area
448.5 ft2 / 41.7 m2
I
54 8 / 16.7 m
J
16 4 / 5 m
Forestay Length
57 1 / 17.4 m

Auxilary Power

Make
Perkins
Model
4-108
HP
40
Fuel Type
Diesel
Fuel Capacity
65 gal / 246 l

Accomodations

Water Capacity
120 gal / 454 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
7.69 knots
Sail Area/Displacement
18.55
good performance
Ballast/Displacement
49.56
stiffer, more powerful
Displacement/Length
230.44
moderate
Comfort Ratio
27.24
coastal cruiser
Capsize Screening
1.92
better suited for ocean passages

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