Review of Truc 12ft

Basic specs.

The Truc 12ft is a small sailboat designed by the maritime architect Marco Croci.

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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 Truc 12ft is 3.61, indicating that this boat would not be accepted to participate in ocean races.

EU classification

Truc 12ft holds one CE certification:

The boat is by European Union certified as Class D. SHELTERED WATERS:

Designed for voyages on sheltered coastal waters, small bays, small lakes, rivers and canals when conditions up to, and including, wind force 4 (Beaufort scale) and significant wave heights up to, and including, 0,3 m may be experienced, with occasional waves of 0,5 m maximum height, for example from passing vessels.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Truc 12ft is about 33 kg/cm, alternatively 187 lbs/inch.
Meaning: if you load 33 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 187 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 Truc 12ft is 2.66.

Compared with other similar sailboats it is more spacy than 54% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.

Maintenance

Rig

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
Jib sheet	3.6 m	(12.0 feet)	8 mm	(5/16 inch)
Genoa sheet	3.6 m	(12.0 feet)	8 mm	(5/16 inch)
Mainsheet	9.1 m	(29.9 feet)	8 mm	(5/16 inch)
Spinnaker sheet	8.0 m	(26.3 feet)	8 mm	(5/16 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

We are always looking for new photos. If you can contribute with photos for Truc 12ft 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

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