Review of First 38
Basic specs.
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Both the hull and the deck 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 9-10 berths.
The First 38 has been built with different keel alternatives.
Fin keel
One option is a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long 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. As the surface of a fin type keel is just a fraction of the total wet surface, the difference between an iron keel and a lead keel can in reality be ignored for cruising yachts.
The boat can only enter major marinas as the draft is about 2.10 - 2.20 meter (6.89 - 7.19 ft) dependent on the load. See immersion rate below.
Fin keel
Another option is a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full keel.
This keel is also made of iron.
First 38 can only enter major marinas as the draft is about 2.29 - 2.39 meter (7.51 - 7.81 ft) dependent on the load. See immersion rate below.
Fin keel
Another option is a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.
The boat can enter most marinas as the draft is just about 1.68 - 1.78 meter (5.51 - 5.81 ft) dependent on the load. See immersion rate below.
Fin keel
Another option is a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.
The boat can enter most marinas as the draft is just about 1.50 - 1.60 meter (4.92 - 5.22 ft) dependent on the load. See immersion rate below.
First 38 may be equipped with an inboard Perkins 4.108 diesel engine at 45 hp (33 kW). Calculated max speed is about 7.3 knots
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 38 is 2.05, 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 7.8 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 First 38 is about 269 kg/cm, alternatively 1510 lbs/inch.
Meaning: if you load 269 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1510 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 First 38 is 22.8.
What is L/B (Length Beam Ratio)?
The l/b ratio for First 38 is 3.01.
The ballast ratio for First 38 is 42%.
What is Displacement Length Ratio?
The DL-ratio for First 38 is 180 which categorizes this boat among 'light racers'.
What is Relative Speed Performance?
The Relative Speed Performance for First 38 is 58
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 46m2 (495 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 | 11.8 m | (38.5 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 11.8 m | (38.5 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 29.4 m | (96.4 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 25.9 m | (84.8 feet) | 14 mm | (0.55 inch) |
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