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Review of Scorpio 72


Basic specs.

sail specifications
The Scorpio 72 aka Ct 65 is a large sailboat designed by the American maritime architect Robert H. Perry in the late eighties. The Scorpio 72 is built by the Taiwanese yard Ta Chiao Shipbuilding Co..

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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.


Rig
Rig
Rig of Scorpio 72 anno 1991.

Keel

Full keel

The Scorpio 72 is equipped with a long keel. A full keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space.

The boat can only enter major marinas as the draft is about 2.06 - 2.16 meter (6.76 - 7.06 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 Scorpio 72 is 1.46, 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 9.6 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 Scorpio 72 is about 562 kg/cm, alternatively 3150 lbs/inch.
Meaning: if you load 562 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 3150 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 Scorpio 72 is 3.66.


Sorry, we do not have sufficient statistical information available for this boat to provide a significant reliable analysis.

Maintenance

Bottom Paint

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 87m2 (936 ft2).
Based on this, your favourite maritime shop can tell you the quantity you need.

Note: If you use a paint roller you will need more paint than if you use a paintbrush.


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 19.8 m(65.0 feet)16 mm(5/8 inch)
Genoa sheet 19.8 m(65.0 feet)16 mm(5/8 inch)
Mainsheet 49.5 m(162.5 feet)16 mm(5/8 inch)
Spinnaker sheet43.6 m(143.0 feet)16 mm(5/8 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 Scorpio 72 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