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Review of Arcona 340


Basic specs.

sail specifications
The Arcona 340 is a sailboat.

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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.


Interior

The boat is equipped with 4+2 berths and 150.0 liter fresh water capacity.


Rig

The boat equipped with a fractional rig. A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a genaker or a spinnaker for optimal speed.


Keel


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 Arcona 340 is 2.01, indicating that this boat would not be accepted to participate in ocean races.


EU classification

Arcona 340 holds one CE certification:

The boat is by European Union certified as Class A. OCEAN:
Designed for extended voyages where conditions may exceed wind force 8 (Beaufort scale) and significant wave heights of 4 m and above but excluding abnormal conditions, and vessels largely self-sufficient.


Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.6 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 Arcona 340 is about 226 kg/cm, alternatively 1268 lbs/inch.
Meaning: if you load 226 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1268 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 Arcona 340 is 21.2.

Low High 24% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 24% of all similar sailboat designs. This is a comfort value significantly below average.


L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Arcona 340 is 3.01.

Slim Wide 69% 0 50 100
Compared with other similar sailboats it is more spacy than 69% 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 Arcona 340 is 153 which categorizes this boat among 'light racers'.

Heavy Light 86% 0 50 100
86% 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 Arcona 340 with ISO 8666 reference sail is 20.9, with a 135% genua the SA/D is 24.1.

Low High 93% 0 50 100
The SA/D ratio indicates that it is faster than 93% of all similar sailboat designs in light wind.


Maintenance

Rig

Dimensions of sail for fractional 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
UsageLengthDiameter
Mainsail halyard 37.2 m(122.0 feet)10 mm(3/8 inch)
Jib/genoa halyard37.2 m(122.0 feet)10 mm(3/8 inch)
Spinnaker halyard37.2 m(122.0 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)
Cunningham4.8 m(15.7 feet)10 mm(3/8 inch)
Kickingstrap9.6 m(31.5 feet)10 mm(3/8 inch)
Clew-outhaul9.6 m(31.5 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.

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Finally

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If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.



References