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Review of Oceanis 400


Basic specs.

sail specifications
The Oceanis 400 aka Beneteau Oceanis 400 is a sailboat designed by the French maritime architect Jean-Marie Finot in the early nineties. The Oceanis 400 is built by the French yard Bénéteau.

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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.

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 keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated.

The boat can enter most marinas as the draft is just about 1.70 - 1.80 meter (5.58 - 5.88 ft) dependent on the load. See immersion rate below.


Engine

The boat is typically equipped with an inboard Yanmar 4JH2-E diesel engine at 44.0 hp (32 kW).


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 Oceanis 400 is about 312 kg/cm, alternatively 1748 lbs/inch.
Meaning: if you load 312 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1748 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 Oceanis 400 is 2.99.

Slim Wide 79% 0 50 100
Compared with other similar sailboats it is more spacy than 79% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.


Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Oceanis 400 is 37%.

Low High 38% 0 50 100
This ballast ratio shows a righting moment that is higher than 38% of all similar sailboat designs. A righting moment (ability to resist heeling) just below average.


Over- / underrigged

Low High 93% 0 50 100
The Oceanis 400 has more rig than 93% of all similar sailboats, which indicates that the boat is significantly overrigged.


Maintenance

Rig

Dimensions of sail for masthead rig.

mainsail specifications headsail specifications

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
UsageLengthDiameter
Mainsail halyard 33.5 m(109.9 feet)12 mm(1/2 inch)
Jib/genoa halyard33.5 m(109.9 feet)12 mm(1/2 inch)
Spinnaker halyard33.5 m(109.9 feet)12 mm(1/2 inch)
Jib sheet 11.8 m(38.7 feet)14 mm(0.55 inch)
Genoa sheet11.8 m(38.7 feet)14 mm(0.55 inch)
Mainsheet 29.5 m(96.8 feet)14 mm(0.55 inch)
Spinnaker sheet26.0 m(85.2 feet)14 mm(0.55 inch)
Cunningham4.8 m(15.6 feet)12 mm(1/2 inch)
Kickingstrap9.5 m(31.2 feet)12 mm(1/2 inch)
Clew-outhaul9.5 m(31.2 feet)12 mm(1/2 inch)

Boat owner's ideas

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

Do you have changes/improvements you would like to share? Upload a photo and describe what to look for.



Finally

We are always looking for new photos. If you can contribute with photos for Oceanis 400 it would be a great help.

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



References