Review of First 325
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 First 325 has been built with different keel alternatives.
Deep keel
One option is a deep keel. A deep keel provide a better healing moment than a shallow keel.
The keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated.
The boat can enter most marinas as the draft is just about 1.77 - 1.87 meter (5.81 - 6.11 ft) dependent on the load. See immersion rate below.
Shallow keel
Another option is a shallow keel. A shallow keel allow to sail both coastal and inland waters.
This keel is also made of iron.
The boat can enter even shallow marinas as the draft is just about 1.34 - 1.44 meter (4.40 - 4.70 ft) dependent on the load. See immersion rate below.
First 325 may be equipped with an inboard Volvo Penta 2002 diesel engine at 18 hp (13 kW).
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 First 325 is 2.02, indicating that this boat would not 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 First 325 is about 224 kg/cm, alternatively 1257 lbs/inch.
Meaning: if you load 224 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1257 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 First 325 is 2.90.
The ballast ratio for First 325 is 35%.
What is Relative Speed Performance?
The Relative Speed Performance for First 325 is 69
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 | 9.9 m | (32.3 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 9.9 m | (32.3 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 24.6 m | (80.9 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 21.7 m | (71.2 feet) | 12 mm | (1/2 inch) |
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