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Review of Balt Family 17


Basic specs.

sail specifications
The Balt Family 17 is a small sailboat designed by the Polish maritime architect Jacek Centkowski. The Balt Family 17 is built by the Polish yard Balt Yacht.

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Interior

The boat is equipped with 4 berths.


Keel

Unknown keel type

The boat can sail close to the beach as the draft is just 0.22 - 0.32 meter (0.72 - 1.02 ft) dependent of 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Balt Family 17 is 2.87, indicating that this boat would not be accepted to participate in ocean races.


Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 5.2 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.


Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Balt Family 17 is about 70 kg/cm, alternatively 396 lbs/inch.
Meaning: if you load 70 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 396 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.

Motion Comfort Ratio

What is Motion Comfort Ratio (MCR)?

The Motion Comfort Ratio for Balt Family 17 is 7.8.

Low High 38% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 38% of all similar sailboat designs. This comfort value is just below average.


L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Balt Family 17 is 2.20.

Slim Wide 95% 0 50 100
Compared with other similar sailboats it is more spacy than 95% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.


Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Balt Family 17 is 17%.

Low High 4% 0 50 100
This ballast ratio shows a righting moment that is higher than 4% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly below average.


D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Balt Family 17 is 151 which categorizes this boat among 'light racers'.

Heavy Light 54% 0 50 100
54% of all similar sailboat designs are categorized as heavier. A light displacement requires less sailarea and has higher accellerations.


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 5.0 m(16.6 feet)8 mm(5/16 inch)
Genoa sheet 5.0 m(16.6 feet)8 mm(5/16 inch)
Mainsheet 12.6 m(41.4 feet)8 mm(5/16 inch)
Spinnaker sheet11.1 m(36.5 feet)8 mm(5/16 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

We are always looking for new photos. If you can contribute with photos for Balt Family 17 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