Review of Sabre 28

Basic specs.

The Sabre 28 aka Sabre 28 Mk I is a sailboat designed by the maritime architect Roger Hewson in the early seventies. A few hundred boats have been produced. The Sabre 28 is built by the American yard Sabre Yachts.

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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 headroom is above average

Rig

The boat has more than one rig.

One option is 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 Sabre 28 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 1.28 - 1.38 meter (4.20 - 4.50 ft) dependent on the load. See immersion rate below.

Engine

Sabre 28 is typically equipped with an inboard Universal Atomic 4 gasoline engine at 30.0 hp (22 kW), which gives a max speed about 7.1 knots.

The fuel tank has a capacity of 75.0 liters (19 US gallons, 16 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 Sabre 28 is 1.85, 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 6.4 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 Sabre 28 is about 127 kg/cm, alternatively 714 lbs/inch.
Meaning: if you load 127 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 714 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 Sabre 28 is 25.0.

Comparing this ratio with similar sailboats show that it is more comfortable than 69% 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 Sabre 28 is 3.11.

Compared with other similar sailboats it is slimmer than 58% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Sabre 28 is 39%.

This ballast ratio shows a righting moment that is higher than 42% 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 Sabre 28 is 278 which categorizes this boat among 'medium weight cruisers'.

38% 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 Sabre 28 with ISO 8666 reference sail is 16.4, with a 135% genua the SA/D is 19.5.

The SA/D ratio indicates that it is faster than 54% of all similar sailboat designs in light wind.

Over- / underrigged

The Sabre 28 has more rig than 88% 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 21m² (226 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**
Masthead rig
Usage	Length		Diameter
Mainsail halyard	24.9 m	(81.5 feet)	8 mm	(5/16 inch)
Jib/genoa halyard	24.9 m	(81.5 feet)	8 mm	(5/16 inch)
Spinnaker halyard	24.9 m	(81.5 feet)	8 mm	(5/16 inch)
Jib sheet	8.5 m	(28.0 feet)	10 mm	(3/8 inch)
Genoa sheet	8.5 m	(28.0 feet)	10 mm	(3/8 inch)
Mainsheet	21.3 m	(70.0 feet)	10 mm	(3/8 inch)
Spinnaker sheet	18.8 m	(61.6 feet)	10 mm	(3/8 inch)
Cunningham	3.5 m	(11.5 feet)	8 mm	(5/16 inch)
Kickingstrap	7.0 m	(23.0 feet)	8 mm	(5/16 inch)
Clew-outhaul	7.0 m	(23.0 feet)	8 mm	(5/16 inch)
Masthead rig
Usage	Length		Diameter
Mainsail halyard	24.6 m	(80.5 feet)	8 mm	(5/16 inch)
Jib/genoa halyard	24.6 m	(80.5 feet)	8 mm	(5/16 inch)
Spinnaker halyard	24.6 m	(80.5 feet)	8 mm	(5/16 inch)
Jib sheet	8.5 m	(28.0 feet)	10 mm	(3/8 inch)
Genoa sheet	8.5 m	(28.0 feet)	10 mm	(3/8 inch)
Mainsheet	21.3 m	(70.0 feet)	10 mm	(3/8 inch)
Spinnaker sheet	18.8 m	(61.6 feet)	10 mm	(3/8 inch)
Cunningham	3.4 m	(11.2 feet)	8 mm	(5/16 inch)
Kickingstrap	6.8 m	(22.4 feet)	8 mm	(5/16 inch)
Clew-outhaul	6.8 m	(22.4 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.

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Finally

We are always looking for new photos. If you can contribute with photos for Sabre 28 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.