Review of Mini-Compis

Mini-Compis anno 1983.

Basic specs.

The Mini-Compis is a small sailboat designed by the Swedish maritime architect Bernt Andersson.

Looking for a new boat? Find a Mini-Compis or similar boat for sale

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.

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 Mini-Compis is 2.52, 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 Mini-Compis is about 115 kg/cm, alternatively 647 lbs/inch.
Meaning: if you load 115 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 647 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 Mini-Compis is 2.76.

Compared with other similar sailboats it is more spacy than 66% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.

SA/D (Sail Area Displacement ratio)

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

The SA/D for Mini-Compis with ISO 8666 reference sail is 20.9, with a 135% genua the SA/D is 23.7.

The SA/D ratio indicates that it is faster than 73% of all similar sailboat designs in light wind.

RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Mini-Compis is 85

The relative speed performance is 85 which means that a it is faster than 85% of all similar sailboat designs.

Maintenance

Rig

Dimensions of sail for fractional rig.

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**
Usage	Length		Diameter
Mainsail halyard	21.8 m	(71.5 feet)	8 mm	(5/16 inch)
Jib/genoa halyard	21.8 m	(71.5 feet)	8 mm	(5/16 inch)
Spinnaker halyard	21.8 m	(71.5 feet)	8 mm	(5/16 inch)
Jib sheet	6.9 m	(22.6 feet)	10 mm	(3/8 inch)
Genoa sheet	6.9 m	(22.6 feet)	10 mm	(3/8 inch)
Mainsheet	17.2 m	(56.6 feet)	10 mm	(3/8 inch)
Spinnaker sheet	15.2 m	(49.8 feet)	10 mm	(3/8 inch)
Cunningham	3.1 m	(10.2 feet)	8 mm	(5/16 inch)
Kickingstrap	6.2 m	(20.3 feet)	8 mm	(5/16 inch)
Clew-outhaul	6.2 m	(20.3 feet)	8 mm	(5/16 inch)

Boat owner's ideas

This section is reserved boat owner's changes, 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 Mini-Compis 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

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.