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Review of Offshore 43 Cat


Basic specs.

sail specifications
The Offshore 43 Cat is a large sailboat.

Here we would have liked to show you nice photos of the Offshore 43 Cat.
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Looking for a new boat? Find a Offshore 43 Cat or similar boat for sale

Rig
The boat equipped with a ketch rig.

Keel

The boat can enter even shallow marinas as the draft is just about 1.46 - 1.56 meter (4.79 - 5.09 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.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 8.2 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 Offshore 43 Cat is about 307 kg/cm, alternatively 1720 lbs/inch.
Meaning: if you load 307 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1720 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 Offshore 43 Cat is 3.29.

Slim Wide 58% 0 50 100
Compared with other similar sailboats it is more spacy than 58% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


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 47m2 (505 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

Dimensions of sail for ketch rig.

mainsail 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 36.3 m(119.3 feet)14 mm(0.55 inch)
Jib/genoa halyard36.3 m(119.3 feet)14 mm(0.55 inch)
Spinnaker halyard36.3 m(119.3 feet)14 mm(0.55 inch)
Jib sheet 13.1 m(43.1 feet)16 mm(5/8 inch)
Genoa sheet13.1 m(43.1 feet)16 mm(5/8 inch)
Mainsheet 32.9 m(107.8 feet)16 mm(5/8 inch)
Spinnaker sheet28.9 m(94.8 feet)16 mm(5/8 inch)
Cunningham5.2 m(17.0 feet)14 mm(0.55 inch)
Kickingstrap10.4 m(34.0 feet)14 mm(0.55 inch)
Clew-outhaul10.4 m(34.0 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 Offshore 43 Cat 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