Review of Bavaria 31 Cruiser
Basic specs.
J&J design #211, Note: Bavaria 31 Cruiser and Bavaria Cruiser 31 are two different boats.
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Both the hull and the deck is made of fibreglass. A hull made of fibreglass requires only a minimum of maintenance during the sailing season.
The boat is equipped with 2 cabins, 5 berths, a galley, 155 liters (40 US gallons, 34 imperial gallons) fresh water capacity and toilet facility.
Fin keel with bulb
The Bavaria 31 Cruiser is built with a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full keel. The advantage of the bulb is that it lowers the center of gravity which increases the righting moment and reduces the draft.
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 Bavaria 31 Cruiser is 2.02, indicating that this boat would not be accepted to participate in ocean races.
What is Theoretical Maximum Hull Speed?
The theoretical maximal speed of a displacement boat of this length is 7.0 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.
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for Bavaria 31 Cruiser is about 188 kg/cm, alternatively 1056 lbs/inch.
Meaning: if you load 188 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1056 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 Motion Comfort Ratio (MCR)?
The Motion Comfort Ratio for Bavaria 31 Cruiser is 22.6 - 23.0.
What is L/B (Length Beam Ratio)?
The l/b ratio for Bavaria 31 Cruiser is 2.81.
What is Displacement Length Ratio?
The DL-ratio for Bavaria 31 Cruiser is 228 which categorizes this boat among 'moderate racers'.
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 | 9.5 m | (31.1 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 9.5 m | (31.1 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 23.7 m | (77.8 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 20.9 m | (68.5 feet) | 12 mm | (1/2 inch) |
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