Review of Guépard

Basic specs.

The Guépard is a sailing dinghy designed by the maritime architect Étienne Riguidel in the early sixties. The Guépard is built by Bilie Marine.

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Hull

The hull is made of wood.

Interior

Note: the boat has also been sold to be self-made/-interiored, which means that the quality of each boat may vary.

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.

EU classification

Guépard holds a CE certification:

The boat is by European Union certified as Class C. INSHORE:

Designed for voyages in coastal waters, large bays, estuaries, lakes and rivers where conditions up to, and including, wind force 6 (Beaufort scale) and significant wave heights up to, and including, 2 m may be experienced.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Guépard is about 72 kg/cm, alternatively 403 lbs/inch.
Meaning: if you load 72 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 403 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 Guépard is 2.56.

Compared with other similar dinghies it is more spacy than 62% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.

Maintenance

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

We are always looking for new photos. If you can contribute with photos for Guépard (Riguidel) 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.