Review of Medusa II
Basic specs.
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The Medusa II is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.
The boat can enter even shallow marinas as the draft is just about 1.20 - 1.30 meter (3.94 - 4.24 ft) dependent on the load. See immersion rate below.
Medusa II is typically equipped with an inboard Bukh diesel engine at 29.0 hp (21 kW).
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 Medusa II is 1.86, indicating that this boat could - if evaluated by this formula alone - 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 Medusa II is about 127 kg/cm, alternatively 712 lbs/inch.
Meaning: if you load 127 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 712 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 Medusa II is 3.04.
The ballast ratio for Medusa II is 40%.
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 | 7.6 m | (24.9 feet) | 10 mm | (3/8 inch) |
| Genoa sheet | 7.6 m | (24.9 feet) | 10 mm | (3/8 inch) |
| Mainsheet | 19.0 m | (62.3 feet) | 10 mm | (3/8 inch) |
| Spinnaker sheet | 16.7 m | (54.9 feet) | 10 mm | (3/8 inch) |
This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.
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