Review of Club Swan 50

Basic specs.

The Club Swan 50 is a large sailboat designed by the Argentine maritime architect Juan Kouyoumdjian in the mid 2010. The Club Swan 50 is built by the Finnish yard OY Nautor AB.

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Interior

The boat is equipped with 0 cabins, 4-6 berths, a galley, 240.0 liter fresh water capacity, toilet facility and 40.0 liter waste water capacity.

Rig

The boat equipped with a fractional rig. A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a genaker or a spinnaker for optimal speed.

Keel

Torpedo keel

But be aware that even though a Torpedo keel is very good for speed racing, a fishing nets and the like in the water can easily make you into a troublesome situation.

The boat can only enter major marinas as the draft is about 3.50 - 3.60 meter (11.48 - 11.78 ft) dependent on the load. See immersion rate below.

Engine

Club Swan 50 is typically equipped with a Volvo D2-40 engine at 40 hp (29 kW). Calculated max speed is about 7.5 knots.

The transmission is a saildrive.

The fuel tank has a capacity of 170.0 liters (44 US gallons, 37 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 Club Swan 50 is 2.10, indicating that this boat would not be accepted to participate in ocean races.

EU classification

Club Swan 50 holds one CE certification:

The boat is by European Union certified as Class A. OCEAN:

Designed for extended voyages where conditions may exceed wind force 8 (Beaufort scale) and significant wave heights of 4 m and above but excluding abnormal conditions, and vessels largely self-sufficient.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 9.1 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 Club Swan 50 is about 393 kg/cm, alternatively 2206 lbs/inch.
Meaning: if you load 393 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2206 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 Club Swan 50 is 18.0.

Comparing this ratio with similar sailboats show that it is more comfortable than 4% of all similar sailboat designs. This is a comfort value significantly below average.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Club Swan 50 is 3.63.

Compared with other similar sailboats it is slimmer than 66% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Club Swan 50 is 83 which categorizes this boat among 'ultra light racers'.

95% of all similar sailboat designs are categorized as heavier. A light displacement requires less sailarea and has higher accellerations.

SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for Club Swan 50 with ISO 8666 reference sail is 33.6, with a 135% genua the SA/D is 39.1.

The SA/D ratio indicates that it is faster than 100% of all similar sailboat designs in light wind.

Over- / underrigged

Maintenance

Bottom Paint

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 81m² (871 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.

Rig

Dimensions of sail for fractional rig.

Are your sails worn out? You might find your next sail here: Sails for Sale

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
Mainsail halyard	51.4 m	(168.6 feet)	14 mm	(0.55 inch)
Jib/genoa halyard	51.4 m	(168.6 feet)	14 mm	(0.55 inch)
Spinnaker halyard	51.4 m	(168.6 feet)	14 mm	(0.55 inch)
Jib sheet	15.2 m	(50.0 feet)	16 mm	(5/8 inch)
Genoa sheet	15.2 m	(50.0 feet)	16 mm	(5/8 inch)
Mainsheet	38.1 m	(125.0 feet)	16 mm	(5/8 inch)
Spinnaker sheet	33.5 m	(110.0 feet)	16 mm	(5/8 inch)
Cunningham	7.2 m	(23.7 feet)	14 mm	(0.55 inch)
Kickingstrap	14.5 m	(47.4 feet)	14 mm	(0.55 inch)
Clew-outhaul	14.5 m	(47.4 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.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

Finally

We are always looking for new photos. If you can contribute with photos for Club Swan 50 it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.

References

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