Review of Annapolis 44

Basic specs.

sail specifications
The Annapolis 44 is a large sailboat designed by the maritime architect Alfred Edward Luders together with Robert G. Henry Jr. in the early fifties. The Annapolis 44 is built by the American yard Uniflite Inc..

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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.
Some boats has a hull made of Wood.


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.


The Annapolis 44 is equipped with a long keel. A long keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space.

The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.

The boat can only enter major marinas as the draft is about 1.83 - 1.93 meter (6.00 - 6.30 ft) dependent on the load. See immersion rate below.


The boat is typically equipped with an inboard Perkins 4.107 diesel 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 Annapolis 44 is 1.56, 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 7.3 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 Annapolis 44 is about 205 kg/cm, alternatively 1148 lbs/inch.
Meaning: if you load 205 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1148 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 Annapolis 44 is 41.4.

Low High 88% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 88% of all similar sailboat designs. This is a comfort value significantly above average.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Annapolis 44 is 4.01.

Wide Slim 97% 0 50 100
Compared with other similar sailboats it is slimmer than 97% of all other designs. It seems that the designer has chosen a significantly more speedy hull design. This type of design is also referred to as 'needle'.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Annapolis 44 is 44%.

Low High 85% 0 50 100
This ballast ratio shows a righting moment that is higher than 85% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly above average.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Annapolis 44 is 372 which categorizes this boat among 'heavy cruisers'.

Heavy Light 5% 0 50 100
5% 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 Annapolis 44 with ISO 8666 reference sail is 15.8, with a 135% genua the SA/D is 18.6.

Low High 15% 0 50 100
The SA/D ratio indicates that it is faster than 15% of all similar sailboat designs in light wind.

Over- / underrigged

Low High 34% 0 50 100
The Annapolis 44 has more rig than 34% of all similar sailboats, which indicates that the boat is slightly 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 24m2 (258 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 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 34.6 m(113.5 feet)14 mm(0.55 inch)
Jib/genoa halyard34.6 m(113.5 feet)14 mm(0.55 inch)
Spinnaker halyard34.6 m(113.5 feet)14 mm(0.55 inch)
Jib sheet 13.4 m(44.1 feet)16 mm(5/8 inch)
Genoa sheet13.4 m(44.1 feet)16 mm(5/8 inch)
Mainsheet 33.6 m(110.2 feet)16 mm(5/8 inch)
Spinnaker sheet29.6 m(97.0 feet)16 mm(5/8 inch)
Cunningham5.5 m(18.2 feet)14 mm(0.55 inch)
Kickingstrap11.1 m(36.4 feet)14 mm(0.55 inch)
Clew-outhaul11.1 m(36.4 feet)14 mm(0.55 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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