Review of Moody 54

Basic specs.

sail specifications
The Moody 54 is a large sailboat designed by the British maritime architect Bill Dixon in the early 2000. The Moody 54 is built by the British yard A. H. Moody & Son Ltd..

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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 is typically equipped with an inboard Yanmar diesel engine.

The fuel tank has a capacity of 681 liters (179 US gallons, 149 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 Moody 54 is 1.80, 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 9.1 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 Moody 54 is about 456 kg/cm, alternatively 2556 lbs/inch.
Meaning: if you load 456 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2556 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 Moody 54 is 35.1.

Low High 54% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 54% 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 Moody 54 is 3.39.

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 Moody 54 is 201 which categorizes this boat among 'light crusers & offshore racers'.

Heavy Light 58% 0 50 100
58% 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 Moody 54 with ISO 8666 reference sail is 16.5, with a 135% genua the SA/D is 19.5.

Low High 24% 0 50 100
The SA/D ratio indicates that it is faster than 24% of all similar sailboat designs in light wind.



Dimensions of sail.

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 48.3 m(158.6 feet)14 mm(0.55 inch)
Jib/genoa halyard48.3 m(158.6 feet)14 mm(0.55 inch)
Spinnaker halyard48.3 m(158.6 feet)14 mm(0.55 inch)
Jib sheet 16.4 m(53.9 feet)16 mm(5/8 inch)
Genoa sheet16.4 m(53.9 feet)16 mm(5/8 inch)
Mainsheet 41.1 m(134.8 feet)16 mm(5/8 inch)
Spinnaker sheet36.1 m(118.6 feet)16 mm(5/8 inch)
Cunningham6.1 m(20.1 feet)14 mm(0.55 inch)
Kickingstrap12.3 m(40.3 feet)14 mm(0.55 inch)
Clew-outhaul12.3 m(40.3 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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