Review of Océanis 331

Basic specs.

The Océanis 331 is a sailboat designed by the French maritime architect bureau Finot-Conq in the early 2000.

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Hull

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

Rig

The boat equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.

Keel

The Océanis 331 is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.

The boat can enter most marinas as the draft is just about 1.59 - 1.69 meter (5.22 - 5.52 ft) dependent on the load. See immersion rate below.

Engine

The boat is typically equipped with an inboard Volvo Penta diesel engine.

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Océanis 331 is about 231 kg/cm, alternatively 1294 lbs/inch.
Meaning: if you load 231 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1294 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Océanis 331 is 2.90.

Compared with other similar sailboats it is more spacy than 76% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.

Maintenance

Rig

Dimensions of sail for masthead rig.

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

**Guiding dimensions of running rig**
Usage	Length		Diameter
Mainsail halyard	27.6 m	(90.7 feet)	10 mm	(3/8 inch)
Jib/genoa halyard	27.6 m	(90.7 feet)	10 mm	(3/8 inch)
Spinnaker halyard	27.6 m	(90.7 feet)	10 mm	(3/8 inch)
Jib sheet	10.0 m	(32.8 feet)	12 mm	(1/2 inch)
Genoa sheet	10.0 m	(32.8 feet)	12 mm	(1/2 inch)
Mainsheet	25.0 m	(82.0 feet)	12 mm	(1/2 inch)
Spinnaker sheet	22.0 m	(72.2 feet)	12 mm	(1/2 inch)
Cunningham	4.3 m	(14.3 feet)	10 mm	(3/8 inch)
Kickingstrap	8.7 m	(28.5 feet)	10 mm	(3/8 inch)
Clew-outhaul	8.7 m	(28.5 feet)	10 mm	(3/8 inch)

Boat owner's ideas

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

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Finally

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If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.

References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.