YachtDatabase.com

Review of SM 55


Basic specs.

sail specifications
The SM 55 is a sailboat designed by the maritime architect Peter Lindeberg together with Per Lundberg. The SM 55 is built by Solna Marin.

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Interior

The boat is equipped with 5 berths.


Keel

Unknown keel type

The boat can enter even shallow marinas as the draft is just about 1.40 - 1.50 meter (4.59 - 4.89 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for SM 55 is 2.18, indicating that this boat would not be accepted to participate in ocean races.


Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for SM 55 is about 135 kg/cm, alternatively 760 lbs/inch.
Meaning: if you load 135 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 760 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 SM 55 is 3.00.

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


Maintenance

Rig

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
Jib sheet 7.8 m(25.6 feet)10 mm(3/8 inch)
Genoa sheet 7.8 m(25.6 feet)10 mm(3/8 inch)
Mainsheet 19.5 m(64.0 feet)10 mm(3/8 inch)
Spinnaker sheet17.2 m(56.3 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 SM 55 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