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Review of Gib'Sea 372


Basic specs.

sail specifications
The Gib'Sea 372 is a sailboat designed by the French maritime architect Michel Joubert together with Bernard Nivelt also from France. The Gib'Sea 372 is built by the French yard Gibert Marine.

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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 Gib'Sea 372 is 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 Gib'Sea 372 has been built with different keel alternatives.

Deep keel

One option is a deep keel. A deep keel provide a better healing moment than a shallow 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 only enter major marinas as the draft is about 1.80 - 1.90 meter (5.91 - 6.21 ft) dependent on the load. See immersion rate below.

Shallow keel

Another option is a shallow keel. A shallow keel allow to sail both coastal and inland waters.

This keel is also made of iron.

The boat can enter even shallow marinas as the draft is just about 1.40 - 1.50 meter (4.59 - 4.89 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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Gib'Sea 372 is about 263 kg/cm, alternatively 1476 lbs/inch.
Meaning: if you load 263 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1476 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 Gib'Sea 372 is 3.00.

Slim Wide 73% 0 50 100
Compared with other similar sailboats it is more spacy than 73% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Gib'Sea 372 is 35%.

Low High 24% 0 50 100
This ballast ratio shows a righting moment that is higher than 24% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly below average.


Over- / underrigged

Low High 76% 0 50 100
The Gib'Sea 372 has more rig than 76% 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 31.3 m(102.9 feet)12 mm(1/2 inch)
Jib/genoa halyard31.3 m(102.9 feet)12 mm(1/2 inch)
Spinnaker halyard31.3 m(102.9 feet)12 mm(1/2 inch)
Jib sheet 10.9 m(35.7 feet)14 mm(0.55 inch)
Genoa sheet10.9 m(35.7 feet)14 mm(0.55 inch)
Mainsheet 27.2 m(89.2 feet)14 mm(0.55 inch)
Spinnaker sheet23.9 m(78.5 feet)14 mm(0.55 inch)
Cunningham3.9 m(12.8 feet)12 mm(1/2 inch)
Kickingstrap7.8 m(25.5 feet)12 mm(1/2 inch)
Clew-outhaul7.8 m(25.5 feet)12 mm(1/2 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.

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



Finally

We are always looking for new photos. If you can contribute with photos for Gib'Sea 372 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