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Review of Bénéteau 456


Basic specs.

sail specifications
The Bénéteau 456 is a large sailboat. The Bénéteau 456 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.


Keel

Unknown keel type

The boat can only enter major marinas as the draft is about 2.47 - 2.57 meter (8.10 - 8.40 ft) dependent on the load. See immersion rate below.


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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Bénéteau 456 is 2.05, indicating that this boat would not be accepted to participate in ocean races.


Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Bénéteau 456 is about 392 kg/cm, alternatively 2197 lbs/inch.
Meaning: if you load 392 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2197 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 Bénéteau 456 is 3.21.

Slim Wide 69% 0 50 100
Compared with other similar sailboats it is more spacy than 69% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for Bénéteau 456 with ISO 8666 reference sail is 21.0, with a 135% genua the SA/D is 25.1.

Low High 90% 0 50 100
The SA/D ratio indicates that it is faster than 90% of all similar sailboat designs in light wind.


Maintenance

Rig

Dimensions of sail.

mainsail specifications headsail specifications

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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 42.4 m(139.0 feet)14 mm(0.55 inch)
Jib/genoa halyard42.4 m(139.0 feet)14 mm(0.55 inch)
Spinnaker halyard42.4 m(139.0 feet)14 mm(0.55 inch)
Jib sheet 13.7 m(45.0 feet)16 mm(5/8 inch)
Genoa sheet13.7 m(45.0 feet)16 mm(5/8 inch)
Mainsheet 34.3 m(112.5 feet)16 mm(5/8 inch)
Spinnaker sheet30.2 m(99.0 feet)16 mm(5/8 inch)
Cunningham4.9 m(16.1 feet)14 mm(0.55 inch)
Kickingstrap9.8 m(32.2 feet)14 mm(0.55 inch)
Clew-outhaul9.8 m(32.2 feet)14 mm(0.55 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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Finally

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References