Review of Comet 41S
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.
The boat is equipped with 401.0 liter fresh water capacity.
Unknown keel type
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 only enter major marinas as the draft is about 2.20 - 2.30 meter (7.22 - 7.52 ft) dependent on the load. See immersion rate below.
Comet 41S may be equipped with an inboard Lombardini diesel engine at 40 hp (29 kW). Calculated max speed is about 6.7 knots
The fuel tank has a capacity of 151.0 liters (39 US gallons, 33 imperial gallons).
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 Comet 41S is 1.98, indicating that this boat could - if evaluated by this formula alone - 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 8.0 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 Comet 41S is about 286 kg/cm, alternatively 1603 lbs/inch.
Meaning: if you load 286 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1603 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 Comet 41S is 24.0.
What is L/B (Length Beam Ratio)?
The l/b ratio for Comet 41S is 3.25.
The ballast ratio for Comet 41S is 31%.
What is Displacement Length Ratio?
The DL-ratio for Comet 41S is 172 which categorizes this boat among 'light racers'.
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 50m2 (538 ft2).
Based on this, your favourite maritime shop can tell you the quantity you need.
Note: If you use a paint roller you will need more paint than if you use a paintbrush.
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 | 12.7 m | (41.8 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 12.7 m | (41.8 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 31.9 m | (104.5 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 28.0 m | (92.0 feet) | 14 mm | (0.55 inch) |
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