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Review of Sirius 26


Basic specs.

sail specifications
The Sirius 26 is a small sailboat designed by the maritime architect Heribert Streuer. The Sirius 26 is built by the German yard Sirius-Werft GmbH.

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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.

Interior
The boat is equipped with 5 berths.

Rig
The boat 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

The Sirius 26 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 1.25 - 1.35 meter (4.10 - 4.40 ft) dependent on the load. See immersion rate below.


Engine

Sirius 26 is typically equipped with an inboard engine.


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 Sirius 26 is 2.17, indicating that this boat would not be accepted to participate in ocean races.


Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Sirius 26 is about 136 kg/cm, alternatively 762 lbs/inch.
Meaning: if you load 136 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 762 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.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Sirius 26 is 2.69.

Slim Wide 82% 0 50 100
Compared with other similar sailboats it is more spacy than 82% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.


Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Sirius 26 is 44%.

Low High 69% 0 50 100
This ballast ratio shows a righting moment that is higher than 69% of all similar sailboat designs. A righting moment (ability to resist heeling) just above average.


SA/D (Sail Area Displacement ratio)

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

The SA/D for Sirius 26 with ISO 8666 reference sail is 16.1, with a 135% genua the SA/D is 19.4.

Low High 42% 0 50 100
The SA/D ratio indicates that it is faster than 42% of all similar sailboat designs in light wind.


Over- / underrigged

Low High 54% 0 50 100
The Sirius 26 has more rig than 54% of all similar sailboats, which indicates that the boat is slightly overrigged.


Maintenance

Rig

Dimensions of sail for masthead rig.

mainsail specifications headsail specifications

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
UsageLengthDiameter
Mainsail halyard 21.3 m(69.9 feet)8 mm(5/16 inch)
Jib/genoa halyard21.3 m(69.9 feet)8 mm(5/16 inch)
Spinnaker halyard21.3 m(69.9 feet)8 mm(5/16 inch)
Jib sheet 7.4 m(24.2 feet)10 mm(3/8 inch)
Genoa sheet7.4 m(24.2 feet)10 mm(3/8 inch)
Mainsheet 18.5 m(60.6 feet)10 mm(3/8 inch)
Spinnaker sheet16.3 m(53.3 feet)10 mm(3/8 inch)
Cunningham2.8 m(9.0 feet)8 mm(5/16 inch)
Kickingstrap5.5 m(18.0 feet)8 mm(5/16 inch)
Clew-outhaul5.5 m(18.0 feet)8 mm(5/16 inch)

Boat owner's ideas

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

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



Finally

We are always looking for new photos. If you can contribute with photos for Sirius 26 (Streuer) 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