Review of Tur 80

Basic specs.

The Tur 80 is a sailboat designed by the Swedish maritime architect Per Brohäll.

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Rig

Rig of Tur 80.

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.

Engine

The boat is typically equipped with an engine.

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 Tur 80 is 1.95, 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 6.1 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 Tur 80 is about 106 kg/cm, alternatively 597 lbs/inch.
Meaning: if you load 106 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 597 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 Tur 80 is 20.0.

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 Tur 80 is 3.17.

Compared with other similar sailboats it is slimmer than 69% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Tur 80 is 239 which categorizes this boat among 'light crusers & offshore racers'.

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 Tur 80 with ISO 8666 reference sail is 15.1, with a 135% genua the SA/D is 17.9.

The SA/D ratio indicates that it is faster than 38% of all similar sailboat designs in light wind.

RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Tur 80 is 24

The relative speed performance is 24 which means that a it is faster than 24% of all similar sailboat designs.

Maintenance

Rig

Dimensions of sail for masthead 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	20.3 m	(66.6 feet)	8 mm	(5/16 inch)
Jib/genoa halyard	20.3 m	(66.6 feet)	8 mm	(5/16 inch)
Spinnaker halyard	20.3 m	(66.6 feet)	8 mm	(5/16 inch)
Jib sheet	8.0 m	(26.1 feet)	10 mm	(3/8 inch)
Genoa sheet	8.0 m	(26.1 feet)	10 mm	(3/8 inch)
Mainsheet	19.9 m	(65.2 feet)	10 mm	(3/8 inch)
Spinnaker sheet	17.5 m	(57.4 feet)	10 mm	(3/8 inch)
Cunningham	3.1 m	(10.3 feet)	8 mm	(5/16 inch)
Kickingstrap	6.3 m	(20.6 feet)	8 mm	(5/16 inch)
Clew-outhaul	6.3 m	(20.6 feet)	8 mm	(5/16 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 Tur 80 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.