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Review of Costantini 30


Basic specs.

sail specifications
The Costantini 30 is a sailboat designed by the French maritime architect Gilles Costantini in the early seventies. Only a few boats have been produced. The Costantini 30 is built by the French yard Chantier Costantini.

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Rig

The Costantini 30 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

Fin keel

The Costantini 30 is equipped with a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full keel.

The boat can enter most marinas as the draft is just about 1.72 - 1.82 meter (5.64 - 5.94 ft) dependent on the load.


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.

Sorry, we have no sailing characteristics available for this boat.

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.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Costantini 30 is 50%.

Low High 90% 0 50 100
This ballast ratio shows a righting moment that is higher than 90% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly above average.


Over- / underrigged

Low High 46% 0 50 100
The Costantini 30 has more rig than 46% of all similar sailboats, which indicates that the boat is slightly underrigged.


Maintenance

Rig

Dimensions of sail for masthead rig.

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 24.3 m(79.7 feet)10 mm(3/8 inch)
Jib/genoa halyard24.3 m(79.7 feet)10 mm(3/8 inch)
Spinnaker halyard24.3 m(79.7 feet)10 mm(3/8 inch)
Jib sheet 9.2 m(30.3 feet)12 mm(1/2 inch)
Genoa sheet9.2 m(30.3 feet)12 mm(1/2 inch)
Mainsheet 23.1 m(75.9 feet)12 mm(1/2 inch)
Spinnaker sheet20.4 m(66.8 feet)12 mm(1/2 inch)
Cunningham2.8 m(9.2 feet)10 mm(3/8 inch)
Kickingstrap5.6 m(18.4 feet)10 mm(3/8 inch)
Clew-outhaul5.6 m(18.4 feet)10 mm(3/8 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