Review of Valk
Basic specs.
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The Valk is equipped with a long keel. A long keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space.
The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.
The boat can enter even shallow marinas as the draft is just about 0.80 - 0.90 meter (2.62 - 2.92 ft) dependent on 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.
What is Capsize Screening Formula (CSF)?
The capsize screening value for Valk is 2.78, indicating that this boat would not be accepted to participate in ocean races.
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for Valk is about 87 kg/cm, alternatively 487 lbs/inch.
Meaning: if you load 87 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 487 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.
What is L/B (Length Beam Ratio)?
The l/b ratio for Valk is 3.25.
The ballast ratio for Valk is 39%.
Maintenance
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.
| Usage | Length | Diameter | ||
|---|---|---|---|---|
| Jib sheet | 6.5 m | (21.3 feet) | 10 mm | (3/8 inch) |
| Genoa sheet | 6.5 m | (21.3 feet) | 10 mm | (3/8 inch) |
| Mainsheet | 16.2 m | (53.3 feet) | 10 mm | (3/8 inch) |
| Spinnaker sheet | 14.3 m | (46.9 feet) | 10 mm | (3/8 inch) |
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