Review of Allegra 24
Basic specs.
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The hull is made of wood.
Some boats has a hull made of Fibreglass.
The deck is a sandwich construction which improves the indoor climate. Especially when the water is colder than the air in the cabin, then the double hull insulates against cold water and reduce the condense water in the cabin.
The boat is equipped with 4 berths, a galley, 95.0 liter fresh water capacity and toilet facility.
Note: the boat has also been sold to be self-made/-interiored, which means that the quality of each boat may vary.
The Allegra 24 is built with a cutter rig. A cutter rig breaks the yacht’s sail area down into smaller, easier to manage sails. Cutter rigs are often used for offshore sailing.
Full keel
The Allegra 24 is built with a long keel. A full keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space.
Allegra 24 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.
An outboard motor is often used on this boat. In that case the boat will typically require a power of 6 - 7 hp, alternatively 124 - 149 lbs thrust if you prefer an electrical motor. Electric outboards are becoming popular for sailboat owners who want clean instant power with less noise and no exhaust fumes.
The fuel tank has a capacity of 68.0 liters (17 US gallons, 14 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 Allegra 24 is 1.74, 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 Allegra 24 is about 119 kg/cm, alternatively 670 lbs/inch.
Meaning: if you load 119 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 670 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 Allegra 24 is 3.00.
The ballast ratio for Allegra 24 is 35%.
SA/D (Sail Area Displacement ratio)
Indicates how fast the boat is in light wind:
- Cruising Boats have ratios 10-15
- Cruiser-Racers have ratios 16-20
- Racers have ratios above 20
- High-Performance Racers have ratios above 24
Sail-area/displacement ratio (SA/D ratio): 17.02
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 | (24.0 feet) | 10 mm | (3/8 inch) |
| Genoa sheet | 7.3 m | (24.0 feet) | 10 mm | (3/8 inch) |
| Mainsheet | 18.3 m | (60.0 feet) | 10 mm | (3/8 inch) |
| Spinnaker sheet | 16.1 m | (52.8 feet) | 10 mm | (3/8 inch) |
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