Nicholson 31 is a 30′ 6″ / 9.3 m sailboat designed by Raymond Wall and built by Camper & Nicholson between 1976 and 1980.
- Designer
- Raymond Wall
- Builder
- Camper & Nicholson
- Associations
- Nicholson 31 Association Forum
- Nicholson 31 Association
- # Built
- 119
- Hull Type
- Long keel w/trans. hung rudder
- Construction
- FG
Dimensions
- Length Overall
- 30′ 6″ / 9.3 m
- Waterline Length
- 24′ 2″ / 7.4 m
- Beam
- 10′ 2″ / 3.1 m
- Draft
- 4′ 11″ / 1.5 m
- Displacement
- 13,010 lbs / 5,899 kg
- Ballast
- 4,800 lbs / 2,177 kg (Lead)
Rig and Sails
- Type
- Masthead Sloop
- Reported Sail Area
- 484.1 ft2 / 45 m2
- Total Sail Area
- 483.7 ft2 / 44.9 m2
Mainsail
- Sail Area
- 236.8 ft2 / 22 m2
- P
- 34′ 10″ / 10.6 m
- E
- 13′ 6″ / 4.1 m
- Mast Height
- ?
Foresail
- Sail Area
- 246.9 ft2 / 22.9 m2
- I
- 39′ 2″ / 12 m
- J
- 12′ 7″ / 3.8 m
- Forestay Length
- 41′ 2″ / 12.6 m
Auxilary Power
- Make
- Yanmar
- Model
- YS12G
- HP
- 12
- Fuel Type
- Diesel
- Fuel Capacity
- 21 gal / 79 l
Accomodations
- Water Capacity
- 93 gal / 352 l
- Holding Tank Capacity
- ?
- Headroom
- ?
Calculations
- Hull Speed
- 6.59 knots
- Sail Area/Displacement
-
14.0
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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