Review of Elvstrøm Coronet 38

Basic specs.

The Elvstrøm Coronet 38 is a motorsailer designed by the Danish maritime architect Paul Elvstrøm in the mid seventies. The Elvstrøm Coronet 38 is built by the Danish yard Ree Marine.

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Hull

Both the hull and the deck is made of hand laid fibreglass. Generally, a hull made of hand laid fibreglass requires only a minimum of maintenance during the sailing season.

Both the hull and 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.

Interior

The boat is equipped with 3 cabins, 7 berths, a galley, 675.0 liter fresh water capacity and toilet facility.

Rig

The Elvstrøm Coronet 38 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.

Engine

The Elvstrøm Coronet 38 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with an inboard Volvo Penta MD21A diesel engine at 75 hp (55 kW). The speed is 9.0 knots.

The transmission is a saildrive.

Alternative 2:

Elvstrøm Coronet 38 may be equipped with an inboard Volvo Penta 2003 diesel engine at 43 hp (32 kW). Calculated max speed is about 6.9 knots

The transmission is a saildrive.

The fuel tank, which is made of stainless steel, has a capacity of 400.0 liters (105 US gallons, 87 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Elvstrøm Coronet 38 is 1.89, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.2 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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Elvstrøm Coronet 38 is about 206 kg/cm, alternatively 1156 lbs/inch.
Meaning: if you load 206 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1156 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.

Motion Comfort Ratio

What is Motion Comfort Ratio (MCR)?

The Motion Comfort Ratio for Elvstrøm Coronet 38 is 27.1.

Comparing this ratio with similar sailboats show that it is more comfortable than 46% of all similar sailboat designs. This comfort value is just below average.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Elvstrøm Coronet 38 is 3.26.

Compared with other similar sailboats it is more spacy than 50% of all other designs. It seems that the designer has chosen an average hull design.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Elvstrøm Coronet 38 is 264 which categorizes this boat among 'light crusers & offshore racers'.

46% of all similar sailboat designs are categorized as heavier. A heavy displacement combined with smaller water plane area has lower acceleration and is more comfortable.

RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Elvstrøm Coronet 38 is 21

The relative speed performance is 21 which means that a it is faster than 21% of all similar sailboat designs. As this boat is a motor sailer, it is expected that the performance of a motor sailer for sail alone is lower than a dedicated sailboat.

Maintenance

Rig

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.

**Guiding dimensions of running rig**
Usage	Length		Diameter
Jib sheet	11.4 m	(37.5 feet)	14 mm	(0.55 inch)
Genoa sheet	11.4 m	(37.5 feet)	14 mm	(0.55 inch)
Mainsheet	28.6 m	(93.7 feet)	14 mm	(0.55 inch)
Spinnaker sheet	25.1 m	(82.4 feet)	14 mm	(0.55 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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Finally

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References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.