Review of Breehorn 48

Basic specs.

sail specifications
The Breehorn 48 is a large sailboat designed by the Dutch maritime architect bureau Simonis Voogd Design in the late 2000.

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The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.

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.


The Breehorn 48 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 only enter major marinas as the draft is about 2.20 - 2.30 meter (7.22 - 7.52 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 Breehorn 48 is 1.75, 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 8.6 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 Breehorn 48 is about 365 kg/cm, alternatively 2049 lbs/inch.
Meaning: if you load 365 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2049 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 Breehorn 48 is 36.2.

Low High 58% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 58% of all similar sailboat designs. This comfort value is just above average.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Breehorn 48 is 3.35.

Slim Wide 62% 0 50 100
Compared with other similar sailboats it is more spacy than 62% 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 Breehorn 48 is 37%.

Low High 58% 0 50 100
This ballast ratio shows a righting moment that is higher than 58% of all similar sailboat designs. A righting moment (ability to resist heeling) just above average.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Breehorn 48 is 228 which categorizes this boat among 'light crusers & offshore racers'.

Heavy Light 54% 0 50 100
54% 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 Breehorn 48 with ISO 8666 reference sail is 16.6, with a 135% genua the SA/D is 19.4.

Low High 18% 0 50 100
The SA/D ratio indicates that it is faster than 18% of all similar sailboat designs in light wind.

Over- / underrigged


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 62m2 (667 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.


Dimensions of sail for fractional 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
Mainsail halyard 45.3 m(148.6 feet)14 mm(0.55 inch)
Jib/genoa halyard45.3 m(148.6 feet)14 mm(0.55 inch)
Spinnaker halyard45.3 m(148.6 feet)14 mm(0.55 inch)
Jib sheet 14.7 m(48.1 feet)16 mm(5/8 inch)
Genoa sheet14.7 m(48.1 feet)16 mm(5/8 inch)
Mainsheet 36.6 m(120.2 feet)16 mm(5/8 inch)
Spinnaker sheet32.2 m(105.7 feet)16 mm(5/8 inch)
Cunningham6.1 m(20.0 feet)14 mm(0.55 inch)
Kickingstrap12.2 m(40.0 feet)14 mm(0.55 inch)
Clew-outhaul12.2 m(40.0 feet)14 mm(0.55 inch)

Boat owner's ideas

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

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