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Sailboat Guide

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Sailboat

Nicholson 31

1976 — 1980
Designer
Raymond Wall
Builder
Camper & Nicholson
Hull Type
Long keel w/trans. hung rudder
Construction
FG
Associations
Nicholson 31 Association Forum
Nicholson 31 Association

Dimensions

Length Overall
30.54 ft / 9.31 m
Waterline Length
24.17 ft / 7.37 m
Beam
10.20 ft / 3.11 m
Draft
5.00 ft / 1.52 m
Displacement
13,005 lb / 5,899 kg
Ballast
4,800 lb / 2,177 kg
Ballast Type
Lead
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
484.00 ft2 / 44.97 m2
Total Sail Area
483.73 ft2 / 44.94 m2
Mainsail
Sail Area
236.77 ft2 / 22.00 m2
P
34.87 ft / 10.63 m
E
13.58 ft / 4.14 m
Mast Height
Foresail
Sail Area
246.96 ft2 / 22.94 m2
I
39.20 ft / 11.95 m
J
12.60 ft / 3.84 m
Est. Forestay Len.
41.18 ft / 12.55 m
Mizzen
PY
EY

Auxilary Power

Make
Yanmar
Model
YS12G
HP
12
Type
Diesel
Fuel Capacity
21 gals / 79 L

Accomodations

Water Capacity
93 gals / 352 L

Calculations

Hull Speed
6.59 knots
Sail Area/Displacement
14
under powered
Ballast/Displacement
36.91
less stiff, less powerful
Displacement/Length
411.18
ultraheavy
Comfort Ratio
34.71
moderate bluewater cruising boat
Capsize Screening
1.73
better suited for ocean passages

Notes

The NICHOLSON 31 replaced the NICHOLSON 32, and proved to be nearly as popular.
The folkboat type design appealed to serious long distance cruisers and single-handers.


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