Review of Kelt 9 M S
Basic specs.
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The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.
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 Theoretical Maximum Hull Speed?
The theoretical maximal speed of a displacement boat of this length is 6.6 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 Kelt 9 M S is about 155 kg/cm, alternatively 872 lbs/inch.
Meaning: if you load 155 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 872 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 Kelt 9 M S is 2.92.
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 | 9.1 m | (29.7 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 9.1 m | (29.7 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 22.6 m | (74.2 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 19.9 m | (65.3 feet) | 12 mm | (1/2 inch) |
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