Review of Helmsman 26 1/4 Ton

Basic specs.

The Helmsman 26 1/4 Ton is a sailboat designed by the Swedish maritime architect Håkan Södergren in the late seventies. The Helmsman 26 1/4 Ton is built by the Swedish yard Aktiebolaget Helmsman Yacht Design.

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Hull

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.

Rig

The Helmsman 26 1/4 Ton 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.

Keel

Fin keel

The Helmsman 26 1/4 Ton is equipped with 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 even shallow marinas as the draft is just about 1.45 - 1.55 meter (4.76 - 5.06 ft) dependent on the load. See immersion rate below.

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 Helmsman 26 1/4 Ton is 2.15, indicating that this boat would not 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 6.1 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 Helmsman 26 1/4 Ton is about 118 kg/cm, alternatively 661 lbs/inch.
Meaning: if you load 118 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 661 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 Helmsman 26 1/4 Ton is 17.8.

Comparing this ratio with similar sailboats show that it is more comfortable than 38% 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 Helmsman 26 1/4 Ton is 2.86.

Compared with other similar sailboats it is more spacy than 73% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Helmsman 26 1/4 Ton is 37%.

This ballast ratio shows a righting moment that is higher than 38% of all similar sailboat designs. A righting moment (ability to resist heeling) just below average.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Helmsman 26 1/4 Ton is 250 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.

SA/D (Sail Area Displacement ratio)

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

The SA/D for Helmsman 26 1/4 Ton with ISO 8666 reference sail is 16.1, with a 135% genua the SA/D is 19.3.

The SA/D ratio indicates that it is faster than 50% of all similar sailboat designs in light wind.

Over- / underrigged

The Helmsman 26 1/4 Ton has more rig than 85% of all similar sailboats, which indicates that the boat is significantly overrigged.

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 20m² (215 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 masthead 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	24.8 m	(81.4 feet)	8 mm	(5/16 inch)
Jib/genoa halyard	24.8 m	(81.4 feet)	8 mm	(5/16 inch)
Spinnaker halyard	24.8 m	(81.4 feet)	8 mm	(5/16 inch)
Jib sheet	8.0 m	(26.2 feet)	10 mm	(3/8 inch)
Genoa sheet	8.0 m	(26.2 feet)	10 mm	(3/8 inch)
Mainsheet	20.0 m	(65.6 feet)	10 mm	(3/8 inch)
Spinnaker sheet	17.6 m	(57.7 feet)	10 mm	(3/8 inch)
Cunningham	2.5 m	(8.2 feet)	8 mm	(5/16 inch)
Kickingstrap	5.0 m	(16.4 feet)	8 mm	(5/16 inch)
Clew-outhaul	5.0 m	(16.4 feet)	8 mm	(5/16 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.