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Review of Mariner 47


Basic specs.

sail specifications
The Mariner 47 is a large sailboat designed by the Canadian maritime architect Edward S. Brewer.

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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.

Keel

The Mariner 47 is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.

The boat can only enter major marinas as the draft is about 1.95 - 2.05 meter (6.40 - 6.70 ft) dependent on the load. See immersion rate below.


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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Mariner 47 is about 400 kg/cm, alternatively 2243 lbs/inch.
Meaning: if you load 400 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2243 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.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Mariner 47 is 3.41.

Slim Wide 54% 0 50 100
Compared with other similar sailboats it is more spacy than 54% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


Maintenance

Rig

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
UsageLengthDiameter
Mainsail halyard 41.4 m(136.0 feet)14 mm(0.55 inch)
Jib/genoa halyard41.4 m(136.0 feet)14 mm(0.55 inch)
Spinnaker halyard41.4 m(136.0 feet)14 mm(0.55 inch)
Jib sheet 14.3 m(46.8 feet)16 mm(5/8 inch)
Genoa sheet14.3 m(46.8 feet)16 mm(5/8 inch)
Mainsheet 35.7 m(117.0 feet)16 mm(5/8 inch)
Spinnaker sheet31.4 m(103.0 feet)16 mm(5/8 inch)
Cunningham5.7 m(18.8 feet)14 mm(0.55 inch)
Kickingstrap11.5 m(37.6 feet)14 mm(0.55 inch)
Clew-outhaul11.5 m(37.6 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.

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



Finally

We are always looking for new photos. If you can contribute with photos for Mariner 47 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