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Review of Yaka 9.50


Basic specs.

sail specifications
The Yaka 9.50 is a sailboat designed by the maritime architect Pierre Rolland together with Pierre Delion from France.

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Interior
The boat is equipped with 4 berths.

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 Yaka 9.50 is 2.53, indicating that this boat would not be accepted to participate in ocean races.


EU classification

Yaka 9.50 holds one CE certification:

The boat is by European Union certified as Class B. OFFSHORE:
Designed for offshore voyages where conditions up to, and including, wind force 8 (Beaufort scale) and significant wave heights up to, and including, 4 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 Yaka 9.50 is about 235 kg/cm, alternatively 1318 lbs/inch.
Meaning: if you load 235 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1318 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 Yaka 9.50 is 2.57.

Slim Wide 93% 0 50 100
Compared with other similar sailboats it is more spacy than 93% of all other designs. It seems that the designer has chosen a significantly 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
UsageLengthDiameter
Jib sheet 9.5 m(31.2 feet)12 mm(1/2 inch)
Genoa sheet 9.5 m(31.2 feet)12 mm(1/2 inch)
Mainsheet 23.8 m(77.9 feet)12 mm(1/2 inch)
Spinnaker sheet20.9 m(68.6 feet)12 mm(1/2 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 Yaka 9.50 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