Review of Achilles 24
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.
The boat is equipped with 4 berths, a galley and toilet facility.
The Achilles 24 is equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.
The Achilles 24 has been built with different keel alternatives.
Triple keel
The Achilles 24 is equipped with a triple keel keel. A triple keel ia a bilge keel, but with the ballast in a center keel. Tripple keels are useful in tidal waters in which the boat can be beached.
Unknown keel type
The boat can enter even shallow marinas as the draft is just about 1.07 - 1.17 meter (3.51 - 3.81 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 Achilles 24 is 2.04, 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 5.9 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 Achilles 24 is about 85 kg/cm, alternatively 476 lbs/inch.
Meaning: if you load 85 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 476 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 Achilles 24 is 14.3.
What is L/B (Length Beam Ratio)?
The l/b ratio for Achilles 24 is 3.40.
What is Displacement Length Ratio?
The DL-ratio for Achilles 24 is 156 which categorizes this boat among 'light racers'.
What is Relative Speed Performance?
The Relative Speed Performance for Achilles 24 is 34
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 | 7.3 m | (23.9 feet) | 10 mm | (3/8 inch) |
| Genoa sheet | 7.3 m | (23.9 feet) | 10 mm | (3/8 inch) |
| Mainsheet | 18.2 m | (59.6 feet) | 10 mm | (3/8 inch) |
| Spinnaker sheet | 16.0 m | (52.5 feet) | 10 mm | (3/8 inch) |
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