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Review of Aphrodite 34


Basic specs.

sail specifications
The Aphrodite 34 is a sailboat designed by the Swedish maritime architect Carl Beyer in the late seventies. The Aphrodite 34 is built by the Swedish yard Aphrodite 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.
The hull is a double hull which improves the indoor climate. Especially when the water is colder than the air in the cabin, then the double hull insulates against cold water and reduce the condense water in the cabin.
The deck is a double deck which improves the indoor climate.


Interior

The interior is like most other boats made of teak. Teak has the advantage of being naturally very oily and therefore water-repellent, which is suitable on boats.
The boat is equipped with a galley, 160.0 liter fresh water capacity, toilet facility and 40.0 liter waste water capacity.


Rig

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.


Keel

The Aphrodite 34 is equipped with a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a long keel.

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 1.86 - 1.96 meter (6.10 - 6.40 ft) dependent on the load. See immersion rate below.


Engine

Aphrodite 34 is typically equipped with an inboard Volvo Penta MD11C diesel engine at 23.0 hp (17 kW), which gives a max speed about 5.4 knots.

The transmission is a saildrive.

The fuel tank which is made of stainless steel has a capacity of 60.0 liters (15 US gallons, 13 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 Aphrodite 34 is 1.89, 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 7.1 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 Aphrodite 34 is about 188 kg/cm, alternatively 1056 lbs/inch.
Meaning: if you load 188 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1056 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 Aphrodite 34 is 26.1.

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 Aphrodite 34 is 3.15.

Slim Wide 58% 0 50 100
Compared with other similar sailboats it is more spacy than 58% 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 Aphrodite 34 is 41%.

Low High 54% 0 50 100
This ballast ratio shows a righting moment that is higher than 54% 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 Aphrodite 34 is 246 which categorizes this boat among 'light crusers & offshore racers'.

Heavy Light 50% 0 50 100
50% of all similar sailboat designs are categorized as heavier. This boat has a precise average ratio between displacement and length!


SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for Aphrodite 34 with ISO 8666 reference sail is 15.2, with a 135% genua the SA/D is 18.2.

Low High 27% 0 50 100
The SA/D ratio indicates that it is faster than 27% of all similar sailboat designs in light wind.


Over- / underrigged

Low High 34% 0 50 100
The Aphrodite 34 has more rig than 34% of all similar sailboats, which indicates that the boat is slightly underrigged.


RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Aphrodite 34 is 38

Slow Fast 38% 0 50 100
The relative speed performance is 38 which means that a it is faster than 38% of all similar sailboat designs.


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 33m2 (355 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.

mainsail specifications genoa specifications spinnaker 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
UsageLengthDiameter
Mainsail halyard 30.6 m(100.2 feet)10 mm(3/8 inch)
Jib/genoa halyard30.6 m(100.2 feet)10 mm(3/8 inch)
Spinnaker halyard30.6 m(100.2 feet)10 mm(3/8 inch)
Jib sheet 10.4 m(34.1 feet)12 mm(1/2 inch)
Genoa sheet10.4 m(34.1 feet)12 mm(1/2 inch)
Mainsheet 26.0 m(85.3 feet)12 mm(1/2 inch)
Spinnaker sheet22.9 m(75.1 feet)12 mm(1/2 inch)
Cunningham3.4 m(11.1 feet)10 mm(3/8 inch)
Kickingstrap6.7 m(22.1 feet)10 mm(3/8 inch)
Clew-outhaul6.7 m(22.1 feet)10 mm(3/8 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.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.



Finally

We are always looking for new photos. If you can contribute with photos for Aphrodite 34 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