Seafarer 31 MKII

1974
Designer
McCurdy & Rhodes
Builder
Seafarer Yachts
Associations
?
# Built
?
Hull Type
Fin with rudder on skeg
Construction
FG/balsa cored deck

Dimensions

Length Overall
31 0 / 9.5 m
Waterline Length
25 0 / 7.6 m
Beam
9 8 / 3 m
Draft
5 2 / 1.6 m
Displacement
10,300 lbs / 4,672 kg
Ballast
4,850 lbs / 2,200 kg (Lead)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
455 ft2 / 42.3 m2
Total Sail Area
454.9 ft2 / 42.3 m2
Mainsail
Sail Area
183.3 ft2 / 17 m2
P
31 2 / 9.5 m
E
11 8 / 3.6 m
Mast Height
44 5 / 13.6 m
Foresail
Sail Area
271.6 ft2 / 25.2 m2
I
41 0 / 12.5 m
J
13 3 / 4 m
Forestay Length
43 0 / 13.1 m

Auxilary Power

Make
Universal
Model
Atomic 4
HP
30
Fuel Type
Gas
Fuel Capacity
20 gal / 76 l

Accomodations

Water Capacity
45 gal / 170 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.71 knots
Sail Area/Displacement
15.38
under powered
Ballast/Displacement
47.09
stiffer, more powerful
Displacement/Length
291.48
heavy
Comfort Ratio
28.35
coastal cruiser
Capsize Screening
1.79
better suited for ocean passages

Notes

Alt. Palmer Gas M-60.
Not to be confused with a earlier SEAFARER 31 (1968) designed by William Tripp Jr.
Shoal draft version available. (draft: 4.92’/1.5m.


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