Review of Hunter 255

Basic specs.

sail specifications
The Hunter 255 is a sailboat designed by the maritime architect Cortland Steck in the mid eighties.

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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. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

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.

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 Hunter 255 is 2.20, 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 6.3 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 Hunter 255 is about 124 kg/cm, alternatively 699 lbs/inch.
Meaning: if you load 124 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 699 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 Hunter 255 is 15.8.

Low High 31% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 31% 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 Hunter 255 is 2.82.

Slim Wide 73% 0 50 100
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.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Hunter 255 is 186 which categorizes this boat among 'light racers'.

Heavy Light 69% 0 50 100
69% 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 Hunter 255 with ISO 8666 reference sail is 16.6, with a 135% genua the SA/D is 19.7.

Low High 54% 0 50 100
The SA/D ratio indicates that it is faster than 54% of all similar sailboat designs in light wind.



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
Mainsail halyard 21.4 m(70.3 feet)8 mm(5/16 inch)
Jib/genoa halyard21.4 m(70.3 feet)8 mm(5/16 inch)
Spinnaker halyard21.4 m(70.3 feet)8 mm(5/16 inch)
Jib sheet 7.8 m(25.6 feet)10 mm(3/8 inch)
Genoa sheet7.8 m(25.6 feet)10 mm(3/8 inch)
Mainsheet 19.5 m(64.0 feet)10 mm(3/8 inch)
Spinnaker sheet17.2 m(56.3 feet)10 mm(3/8 inch)
Cunningham3.0 m(10.0 feet)8 mm(5/16 inch)
Kickingstrap6.1 m(20.0 feet)8 mm(5/16 inch)
Clew-outhaul6.1 m(20.0 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.

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